	English [member]
Start Date	2018-01-01	2017-01-01
End Date	2018-12-31	2017-12-31
Filing information [line items]
Disclosure of entity information [abstract]
Name of reporting entity	Arabia Insurance Cooperative Co.
Company symbol code\| ISIN code	8160 \| SA11T053VG15
Sector\| Industry group	Financials \| Insurance
Disclosure of document information [abstract]
Whether entity wants to report opening statement of financial position	No
Period covered by financial statements	Annual
Reporting period start date	2018-01-01	2017-01-01
Reporting period end date	2018-12-31	2017-12-31
Description of nature of financial statements	Consolidated
Status of financial statements	Audited
Description of presentation currency	Saudi Arabia, Riyals
Level of rounding used in financial statements	Actuals

[200100] Independent auditors report

	Primary auditor [member]	Second primary auditor [member]
	English [member]	English [member]
Start Date	2018-01-01	2018-01-01
End Date	2018-12-31	2018-12-31
Auditors information [line items]
Details of auditors signing report [abstract]
Name of auditor signing report		عبدالله محمد العظم
Registration number of auditor		335
Details of audit firm [abstract]
Name of audit firm		العظم والسديري محاسبون ومراجعون قانونيون
Registration number of audit firm		148/11/323
Contact number of audit firm		011-2175000
Address of audit firm		صندوق بريد 10504 الرياض11443 المملكة العربية السعودية

	English [member]
Start Date	2018-01-01
End Date	2018-12-31
Auditors report [line items]
Disclosures of auditors report [text block]
Contents of auditors report [abstract]
Nature of auditors opinion	Unmodified opinion
Auditors opinion
Basis of opinion
Key audit matters
Other matters
Responsibilities of management and those charged with governance for financial statements
Auditors responsibilities for audit of financial statements
Date of signing audit report by auditor	2019-03-05

[300100] Statement of financial position, order of liquidity

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of financial position [abstract]
Assets [abstract]
Insurance/ takaful operations assets [abstract]
Property and equipment, net, insurance/ takaful operations assets	6,546,816	5,002,680
Due from related parties, insurance/ takaful operations assets		63,839
Deferred policy acquisition costs	8,391,464	10,044,087
Reinsurers/ retakaful share of unearned premiums/ contributions	51,490,197	50,611,534
Prepayments and other assets, insurance/ takaful operations assets	12,296,504	11,418,301
Due from shareholders operations	75,413,349	74,635,649
Premiums/ insurance receivables/takaful contributions receivable, net	113,178,237	108,003,376
Reinsurers/ retakaful share of outstanding claims/ benefits, net	49,650,623	46,629,718
Time (Murabaha) deposits, insurance/ takaful operations assets	10,000,000	20,000,000
Cash and cash equivalents, insurance/ takaful operations assets	55,464,978	45,369,794
Other assets, insurance/ takaful operations assets	26,104,688	26,104,688
Total insurance/ takaful operations assets	408,536,856	397,883,666
Shareholders assets [abstract]
Investments held-to-maturity, shareholders assets	36,988,000	37,738,000
Statutory deposit	40,000,000	40,000,000
Prepayments and other assets, shareholders assets	1,479,337	619,042
Time (Murabaha) deposits, shareholders assets	156,576,020	50,000,000
Available-for-sale investments, shareholders assets	62,121,484	102,133,042
Cash and cash equivalents, shareholders assets	35,254,915	104,624,881
Other assets, shareholders assets	2,789,616	1,991,630
Total shareholders assets	335,209,372	337,106,595
Total assets	743,746,228	734,990,261
Liabilities and equity [abstract]
Insurance/ takaful operations liabilities and surplus (deficit) [abstract]
Insurance/ takaful operations liabilities [abstract]
Gross unearned premiums/ contributions	149,401,689	141,778,458
Unearned commission income	4,636,967	4,918,767
Employees end of service benefits, insurance/ takaful operations liabilities	10,616,288	9,934,778
Due to related parties, insurance/ takaful operations liabilities	229,583
Reinsurers/ retakaful balance payable	21,464,201	29,654,500
Gross outstanding claims/ benefits including IBNR payable	138,564,336	143,354,441
Other technical reserves	10,799,000	3,756,000
Accrued expenses payable, insurance/ takaful operations liabilities	71,323,725	61,675,947
Total insurance/ takaful operations liabilities	407,035,789	395,072,891
Insurance/ takaful operations surplus (deficit) [abstract]
Other insurance/ takaful operations surplus (deficit)	1,501,068	2,810,776
Total insurance/ takaful operations surplus (deficit)	1,501,068	2,810,776
Total insurance/ takaful operations liabilities and surplus (deficit)	408,536,857	397,883,667
Shareholders liabilities and equity [abstract]
Shareholders liabilities [abstract]
Zakat payable	5,714,107	4,978,754
Due to insurance/ takaful operations	75,413,349	74,635,649
Accrued expenses payable, shareholders liabilities	538,170	451,169
Other liabilities, shareholders liabilities	2,789,616	1,991,630
Total shareholders liabilities	84,455,242	82,057,202
Shareholders equity [abstract]
Equity attributable to owners of parent [abstract]
Share capital	265,000,000	265,000,000
Fair value reserve on investments, shareholders equity	-6,323,930	-4,647,939
Retained earnings (accumulated losses)	-7,921,941	-5,302,669
Total equity attributable to owners of parent	250,754,129	255,049,392
Total equity attributable to equity holders of company	250,754,129	255,049,392
Total shareholders liabilities and equity	335,209,371	337,106,594
Total insurance/ takaful operations liabilities, surplus (deficit) and shareholders liabilities and equity	743,746,228	734,990,261

[300200] Statement of insurance/ takaful operations, nature of expense

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of insurance/ takaful operations [abstract]
Statement of insurance/ takaful operations and accumulated surplus (deficit) [abstract]
Income from insurance/ takaful operations [abstract]
Net premiums/ contributions earned [abstract]
Net premiums/ contributions written [abstract]
Gross premiums/ contributions written	350,787,216	314,390,961
Excess of loss expense	9,062,570	6,602,125
Reinsurance/ retakaful premiums ceded	102,895,036	101,026,204
Net premiums/ contributions written	238,829,610	206,762,632
Changes in unearned premiums/ contributions	6,744,568	-43,771,921
Net premiums/ contributions earned	232,085,042	250,534,553
Reinsurance/ retakaful commissions	25,122,803	12,916,811
Investment income from insurance/ takaful operations, net	1,671,188	1,399,915
Total income from insurance/ takaful operations	258,879,033	264,851,279
Cost and expenses [abstract]
Net claims/ benefits incurred [abstract]
Net claims/ benefits paid [abstract]
Gross claims/ benefits paid	217,984,073	231,860,857
Reinsurance/ retakaful share of gross claims/ benefits paid	69,248,856	87,965,453
Net claims/ benefits paid	148,735,217	143,895,404
Changes in outstanding claims/ benefits including IBNR	-7,811,010	-10,377,642
Net claims/ benefits incurred	140,924,207	133,517,762
Policy acquisition costs	24,568,148	27,188,317
General and administrative expenses, insurance/ takaful operations	84,571,017	85,934,168
Realised gain (loss) on available-for-sale investments		475,875
Other cost and expenses	7,043,000	3,756,000
Total cost and expenses	257,106,372	249,920,372
Surplus (deficit) for period from insurance/ takaful operations	1,772,661	14,930,907
Shareholders appropriation from insurance/ takaful operations surplus (deficit)	1,595,395	13,437,816
Net result for period from insurance/ takaful operations after shareholders appropriation	177,266	1,493,091
Policyholders share of accumulated surplus, at start of period	3,254,853	1,761,762
Policyholders share of accumulated surplus, at end of period	3,432,119	3,254,853

[300300] Statement of shareholders operations, nature of expense

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of shareholders operations [abstract]
Profit (loss) [abstract]
Income (loss) from continuing operations [abstract]
Shareholders appropriation of surplus (deficit) transferred from insurance/ takaful operations	1,595,395	13,437,816
Revenue [abstract]
Investment income	6,641,265	4,314,701
Realised gain (loss) on available-for-sale investments	-3,250,494	650,538
Total revenue	3,390,771	4,965,239
Expenses [abstract]
General and administrative expenses, shareholders operations	1,567,319	2,581,463
Total expenses	1,567,319	2,581,463
Income (loss) from continuing operations before zakat and income tax	3,418,847	15,821,592
Profit (loss) from continuing operations	3,418,847	15,821,592
Profit (loss) for the period	3,418,847	15,821,592
Profit (loss), attributable to [abstract]
Profit (loss), attributable to saudi shareholders of company	2,345,329.042	10,853,612.112
Profit (loss), attributable to non-saudi shareholders of company	1,073,517.958	4,967,979.888
Earnings per share [abstract]
Basic earnings (loss) per share [abstract]
Basic earnings (loss) per share from continuing operations	0.13	0.6
Total basic earnings (loss) per share	0.13	0.6
Diluted earnings (loss) per share [abstract]
Diluted earnings (loss) per share from continuing operations	0.13	0.6
Total diluted earnings (loss) per share	0.13	0.6
Weighted average number of equity shares outstanding	26500000	26500000
Share closing price at the last trading day of financial year (in numbers)	16.3	16.81

Start Date	2018-01-01	2017-01-01
End Date	2018-12-31	2017-12-31
Statement of other comprehensive income, before tax [abstract]
Net result for period from insurance/ takaful operations after shareholders appropriation	177,266	1,493,091
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Remeasurement gains (losses) on defined benefit plans	6,117	-444,077
Total other comprehensive income that will not be reclassified to profit or loss	6,117	-444,077
Total other comprehensive income (loss)	6,117	-444,077
Total comprehensive income (loss) for period	183,383	1,049,014

[300500] Statement of other comprehensive income, before tax, shareholders operations

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of other comprehensive income, before tax [abstract]
Statement of comprehensive income [abstract]
Profit (loss) for the period	3,418,847	15,821,592
Other comprehensive income [abstract]
Components of other comprehensive income that will be reclassified to profit or loss [abstract]
Available-for-sale financial assets [abstract]
Gains (losses) on remeasuring available-for-sale financial assets	-1,675,991	566,688
Total other comprehensive income (loss), available-for-sale financial assets	-1,675,991	566,688
Total other comprehensive income (loss), that will be reclassified to profit or loss	-1,675,991	566,688
Total other comprehensive income (loss)	-1,675,991	566,688
Total comprehensive income (loss) for period	1,742,856	16,388,280
Total comprehensive income (loss) attributable to [abstract]
Total comprehensive income (loss), attributable to saudi shareholders of company	1,195,599.216	11,242,360.08
Total comprehensive income (loss), attributable to non-saudi shareholders of company	547,256.784	5,145,919.92

[300600] Statement of cash flows, indirect method, insurance operations

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of cash flows, indirect method [abstract]
Statement of cash flows, insurance/ takaful operations [abstract]
Cash flows from (used in) operating activities, insurance/ takaful operations [abstract]
Net result for period from insurance/ takaful operations after shareholders appropriation	177,266	1,493,091
Adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation
Adjustments for depreciation, insurance/ takaful operations cash flow	1,564,364	1,809,502
Adjustments for employees end of service benefits	1,939,380	3,587,794
Adjustments for allowance for doubtful receivables	12,943,064	-535,720
Adjustments for (gains) losses on disposal of property and equipment, net	-1,000
Adjustments for (gains) losses on disposal of available-for-sale investments		-475,875
Total adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation	16,445,808	4,385,701
Changes in operating assets and liabilities [abstract]
Adjustments for decrease (increase) in premium receivables, net	-18,117,924	19,360,791
Adjustments for decrease (increase) in prepayments and other assets	-878,203	1,787,444
Adjustments for increase (decrease) in outstanding claims including IBNR	-4,790,105	-42,888,029
Adjustments for increase (decrease) in reinsurers/ retakaful balance payable	-8,190,300	-7,159,694
Adjustments for increase (decrease) in accrued expenses and other liabilities	9,877,362	-20,154,404
Adjustments for increase (decrease) in accrued commission income	-281,800	-960,630
Adjustments for decrease (increase) in reinsurers/ retakaful share of outstanding claims, net	-3,020,905	32,510,387
Adjustments for decrease (increase) in deferred policy acquisition costs	1,652,623	4,322,443
Adjustments for increase (decrease) in due to shareholders operations	-777,700	8,708,956
Adjustments for movement in gross unearned premiums/ contributions	7,623,230	-54,110,379
Adjustments for reinsurance/ retakaful share of unearned premiums/ contributions	-878,662	10,338,458
Adjustment for changes in other technical reserves	7,043,000	3,756,000
Total changes in operating assets and liabilities	-10,739,384	-44,488,657
Net cash flows from (used in) insurance/ takaful operations	5,883,690	-38,609,865
Other inflows (outflows) of cash classified as operating activities, insurance/ takaful operations cash flow	-2,681,006	-1,553,597
Net cash flows from (used in) operating activities, insurance/ takaful operations	3,202,684	-40,163,462
Cash flows from (used in) investing activities, insurance/ takaful operations [abstract]
Time (Murabaha) deposits, insurance/ takaful operations cash flow	10,000,000	21,523,000
Purchase of available-for-sale investments, insurance/ takaful operations cash flow		60,737,375
Purchase of property and equipment, insurance/ takaful operations cash flow	3,107,500	-59,802,223
Net cash flows from (used in) investing activities, insurance/ takaful operations	6,892,500	20,587,848
Cash flows from (used in) financing activities, insurance/ takaful operations [abstract]
Due to related party, insurance/ takaful operations cash flow	0	0
Other inflows (outflows) of cash classified as financing activities, insurance/ takaful operations cash flow	0	0
Net cash flows from (used in) financing activities, insurance/ takaful operations	0	0
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes	10,095,184	-19,575,614
Net increase (decrease) in cash and cash equivalents	10,095,184	-19,575,614
Cash and cash equivalents at beginning of period	45,369,794	64,945,408
Cash and cash equivalents at end of period	55,464,978	45,369,794

[300700] Statement of cash flows, indirect method, shareholders operations

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-12-31	2017-12-31	Note No.
Statement of cash flows, indirect method [abstract]
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Net profit (loss) for period [abstract]
Income (loss) from continuing operations before zakat and income tax	3,418,847	15,821,592
Net profit (loss) for period (before zakat expenses and income tax)	3,418,847	15,821,592
Adjustments to reconcile profit (loss) [abstract]
Adjustments for realised loss (gain) on available-for-sale investments, shareholders cash flow	1,250,519	-650,538
Adjustments for impairment (reversal of impairment) charges for investments, shareholders cash flow	1,999,975
Total adjustments to reconcile profit (loss)	3,250,494	-650,538
Changes in operating assets and liabilities [abstract]
Adjustments for increase (decrease) in accrued expenses and other liabilities, shareholders cash flow	87,000	308,434
Adjustments for decrease (increase) in due from insurance/ takaful operations	777,700	-8,708,956
Adjustments for decrease (increase) in prepayments and other assets, shareholders assets	-860,295	538,466
Total changes in operating assets and liabilities	4,405	-7,862,056
Net cash flows from (used in) operations	6,673,746	7,308,998
Zakat expenses	5,302,764	6,130,421
Net cash flows from (used in) operating activities	1,370,982	1,178,577
Cash flows from (used in) investing activities [abstract]
Proceeds from sales of investments	35,835,071	-64,081,692
Purchase of term deposits investments	106,576,019	-72,439,105
Net cash flows from (used in) investing activities	-70,740,948	8,357,413
Cash flows from (used in) financing activities [abstract]
Due to reinsurance/ retakaful operations	0	0
Other inflows (outflows) of cash	0	0
Net cash flows from (used in) financing activities	0	0
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes	-69,369,966	9,535,990
Net increase (decrease) in cash and cash equivalents	-69,369,966	9,535,990
Cash and cash equivalents at beginning of period	104,624,881	95,088,891
Cash and cash equivalents at end of period	35,254,915	104,624,881

	English [member]
Start Date	2018-01-01	2017-01-01
End Date	2018-12-31	2017-12-31
Disclosure of other non-cash information [line items]
Disclosure of other non-cash information, shareholders operations [text block]	-1675991

[300800] Statement of changes in equity

	Share capital [member]		Share premium [member]		Statutory reserve [member]		General reserve [member]		Fair value reserve on investments, shareholders equity [member]		Retained earnings (accumulated losses) [member]		Treasury shares [member]		Other reserves [member]		Reserve of disposal group held for distribution/ sale [member]		Share based payments reserve [member]		Other equity interest [member]		Equity attributable to owners of parent [member]		Non-controlling interests [member]		Total equity [member]
Start Date	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01	2018-01-01	2017-01-01
End Date	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31	2018-12-31	2017-12-31
Statement of changes in equity [line items]
Equity balance at beginning of period (before adjustments)	265,000,000	265,000,000							-4,647,939	-5,214,627	-5,302,669	-15,493,888											255,049,392	244,291,485			255,049,392	244,291,485
Equity balance at beginning of period (after adjustments)	265,000,000	265,000,000							-4,647,939	-5,214,627	-5,302,669	-15,493,888											255,049,392	244,291,485			255,049,392	244,291,485
Changes in equity [abstract]
Comprehensive income [abstract]
Net profit (loss) for period											3,418,847	15,821,592											3,418,847	15,821,592			3,418,847	15,821,592
Other comprehensive income, net of tax									-1,675,991	566,688													-1,675,991	566,688			-1,675,991	566,688
Total comprehensive income (loss) for period									-1,675,991	566,688	3,418,847	15,821,592											1,742,856	16,388,280			1,742,856	16,388,280
Other miscellaneous changes in equity											-6,038,119	-5,630,373											-6,038,119	-5,630,373			-6,038,119	-5,630,373
Total changes in equity									-1,675,991	566,688	-2,619,272	10,191,219											-4,295,263	10,757,907			-4,295,263	10,757,907
Equity balance at end of period	265,000,000	265,000,000							-6,323,930	-4,647,939	-7,921,941	-5,302,669											250,754,129	255,049,392			250,754,129	255,049,392

[400100] Notes forming part of accounts

	English [member]	Note No.
Start Date	2018-01-01
End Date	2018-12-31
Notes forming part of accounts [line items]
Disclosure of notes and other explanatory information [text block]
Disclosure of general information about reporting entity [abstract]
Disclosure of general information about reporting entity [text block]
Disclosure of statement of compliance [text block]
Disclosure of new standards and amendments in standards [text block]
Disclosure of basis of measurement [text block]
Disclosure of functional and presentation currency [text block]
Disclosure of going concern [text block]
Disclosure of other general disclosures about reporting entity [text block]
Disclosure of summary of significant accounting policies [abstract]
Disclosure of summary of significant accounting policies, general comment [text block]
Description of accounting policy for cash and cash equivalents [text block]
Description of accounting policy for premiums/ contributions and insurance/ reinsurance or takaful/ retakaful balance receivables [text block]
Description of accounting policy for receivables [text block]
Description of accounting policy for deferred policy acquisition costs [text block]
Description of accounting policy for property and equipment [text block]
Description of accounting policy for liability adequacy test [text block]
Description of accounting policy for provisions [text block]
Description of accounting policy for statutory reserve [text block]
Description of accounting policy for employees end of service benefits [text block]
Description of accounting policy for zakat [text block]
Description of accounting policy for impairment and uncollectibiity of financial assets [text block]
Description of accounting policy for fair value measurement [text block]
Description of accounting policy for premium/ contributions earned [text block]
Description of accounting policy for investment income [text block]
Description of accounting policy for retrocession [text block]
Description of accounting policy for claims/ benefits [text block]
Description of accounting policy for general insurance/ takaful contracts [text block]
Description of accounting policy for expenses [text block]
Description of accounting policy for financial liabilities [text block]
Description of accounting policy for off setting financial assets and liabilities [text block]
Description of accounting policy for estimation uncertainty [text block]
Description of accounting policy for time (murabaha) deposit [text block]
Disclosure of notes forming part of accounts [abstract]
Disclosure of property and equipment [text block]
Disclosure of investments [text block]
Disclosure of investments held-to-maturity [text block]
Disclosure of investments in available-for-sale investments [text block]
Disclosure of deferred policy acquisition costs [text block]
Disclosure of premiums/ contributions and insurance/ reinsurance or takaful/ retakaful balance receivables [text block]
Disclosure of prepayments and other assets [text block]
Disclosure of due from related parties [text block]
Disclosure of cash and cash equivalents [text block]
Disclosure of statutory deposit [text block]
Disclosure of employees' end of service benefits [text block]
Disclosure of gross unearned premiums/ contributions [text block]
Disclosure of gross outstanding claims/ benefits [text block]
Disclosure of unearned commission income [text block]
Disclosure of accrued expenses and other liabilities [text block]
Disclosure of zakat [text block]
Disclosure of income tax [text block]
Disclosure of classes of share capital [text block]
Disclosure of statutory reserve [text block]
Disclosure of general and administrative expense [text block]
Disclosure of compensation to key management personnel [text block]
Disclosure of earnings per share [text block]
Disclosure of entity's operating segments [text block]
Disclosure of capital management [text block]
Disclosure of claims/ benefits development table [text block]
Disclosure of commitments and contingencies, general [text block]
Disclosure of risk management [abstract]
Disclosure of insurance/ takaful risk [text block]
Disclosure of reinsurance/ retakaful risk [text block]
Disclosure of currency risk [text block]
Disclosure of commission/ special commission rate risk [text block]
Disclosure of market risk [text block]
Disclosure of credit risk [text block]
Disclosure of liquidity risk [text block]
Disclosure of operational/ process risk [text block]
Disclosure of fund price risk [text block]
Disclosure of comparative figures [text block]
Disclosure of board of director's approval of the financial statements [text block]
Disclosure of other notes relevant to understanding of financial statements [text block]

[100010] Filing information	[200100] Independent auditors report	[300100] Statement of financial position, order of liquidity
[300200] Statement of insurance/ takaful operations, nature of expense	[300300] Statement of shareholders operations, nature of expense	[300400] Statement of other comprehensive income, before tax, insurance operations
[300500] Statement of other comprehensive income, before tax, shareholders operations	[300600] Statement of cash flows, indirect method, insurance operations	[300700] Statement of cash flows, indirect method, shareholders operations
[300800] Statement of changes in equity	[400100] Notes forming part of accounts