	English [member]
Start Date	2018-07-01	2017-07-01
End Date	2018-09-30	2017-09-30
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	Quarter 3
Reporting period start date	2018-07-01	2017-07-01
Reporting period end date	2018-09-30	2017-09-30
Description of nature of financial statements	Consolidated
Status of financial statements	Reviewed
Description of presentation currency	Saudi Arabia, Riyals
Level of rounding used in financial statements	Actuals

	English [member]
Start Date	2018-07-01
End Date	2018-09-30
Auditors report [line items]
Disclosures of auditors report [text block]
Contents of auditors report [abstract]
Nature of auditors opinion	Unmodified opinion
Auditors opinion
Key audit matters
Auditors responsibilities for audit of financial statements
Date of signing audit report by auditor	2018-10-23

[300100] Statement of financial position, order of liquidity

Start Date	2018-01-01	2017-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-12-31	2017-09-30	Note No.
Statement of financial position [abstract]
Assets [abstract]
Insurance/ takaful operations assets [abstract]
Property and equipment, net, insurance/ takaful operations assets	4,457,331	5,002,680	4,180,773
Due from related parties, insurance/ takaful operations assets		63,839
Deferred policy acquisition costs	10,225,797	10,044,087	10,194,244
Retroceded share of unearned premium	51,157,934	50,611,534	50,870,436
Prepayments and other assets, insurance/ takaful operations assets	13,775,291	11,418,302	14,892,789
Due from shareholders operations	75,750,361	74,635,649	88,991,359
Premiums/ insurance receivables/takaful contributions receivable, net	159,918,724	108,003,376	124,820,564
Reinsurers/ retakaful share of outstanding claims/ benefits, net	53,613,829	46,629,718	71,407,594
Time (Murabaha) deposits, insurance/ takaful operations assets	16,000,000	20,000,000
Deferred excess of loss premiums	1,284,122
Available-for-sale investments, insurance/ takaful operations assets			43,442,611
Cash and cash equivalents, insurance/ takaful operations assets	37,815,784	45,369,794	31,103,153
Other assets, insurance/ takaful operations assets	26,104,688	26,104,688	26,104,688
Total insurance/ takaful operations assets	450,103,861	397,883,667	466,008,211
Shareholders assets [abstract]
Investments held-to-maturity, shareholders assets	36,988,000	37,738,000	37,738,000
Statutory deposit	40,000,000	40,000,000	40,000,000
Prepayments and other assets, shareholders assets	1,313,852	619,042	2,842,317
Time (Murabaha) deposits, shareholders assets	110,706,565	50,000,000
Available-for-sale investments, shareholders assets	78,016,861	102,133,043	267,345,615
Cash and cash equivalents, shareholders assets	67,116,941	104,624,881	1,152,495
Other assets, shareholders assets	2,543,902	1,991,630
Total shareholders assets	336,686,121	337,106,596	349,078,427
Total assets	786,789,982	734,990,263	815,086,638
Liabilities and equity [abstract]
Insurance/ takaful operations liabilities and surplus (deficit) [abstract]
Insurance/ takaful operations liabilities [abstract]
Gross unearned premiums/ contributions	177,895,229	141,778,458	150,024,703
Unearned commission income	3,746,112	4,918,767	3,953,939
Employees end of service benefits, insurance/ takaful operations liabilities	10,609,678	9,934,779	8,030,988
Due to related parties, insurance/ takaful operations liabilities	229,583		410,140
Reinsurers/ retakaful balance payable	34,504,811	29,654,499	37,749,629
Gross outstanding claims/ benefits including IBNR payable	155,091,013	143,354,441	172,439,698
Other technical reserves	6,478,000	3,756,000
Accrued expenses payable, insurance/ takaful operations liabilities	58,403,302	61,675,947	30,149,147
Other liabilities, insurance/ takaful operations			59,820,386
Total insurance/ takaful operations liabilities	446,957,728	395,072,891	462,578,630
Insurance/ takaful operations surplus (deficit) [abstract]
Surplus (deficit) from insurance/ takaful fund	3,146,133	2,810,776	3,146,854
Fair value reserves on investments			282,727
Total insurance/ takaful operations surplus (deficit)	3,146,133	2,810,776	3,429,581
Total insurance/ takaful operations liabilities and surplus (deficit)	450,103,861	397,883,667	466,008,211
Shareholders liabilities and equity [abstract]
Shareholders liabilities [abstract]
Zakat payable	4,803,809	4,978,754	4,154,657
Due to insurance/ takaful operations	75,750,361	74,635,649	88,991,359
Accrued expenses payable, shareholders liabilities	567,170	451,171	175,835
Other liabilities, shareholders liabilities	2,543,902	1,991,630	1,869,893
Total shareholders liabilities	83,665,242	82,057,204	95,191,744
Shareholders equity [abstract]
Equity attributable to owners of parent [abstract]
Share capital	265,000,000	265,000,000	265,000,000
Fair value reserve on investments, shareholders equity	-8,013,538	-4,647,939	-3,483,221
Retained earnings (accumulated losses)	-3,965,583	-5,302,669	-7,630,096
Total equity attributable to owners of parent	253,020,879	255,049,392	253,886,683
Total equity attributable to equity holders of company	253,020,879	255,049,392	253,886,683
Total shareholders liabilities and equity	336,686,121	337,106,596	349,078,427
Total insurance/ takaful operations liabilities, surplus (deficit) and shareholders liabilities and equity	786,789,982	734,990,263	815,086,638

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

Start Date	2018-07-01	2017-07-01	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	2018-09-30	2017-09-30	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	96,210,446	58,774,389	290,336,356	239,879,308
Excess of loss expense	1,284,126	1,807,749	7,594,993	4,804,434
Reinsurance/ retakaful premiums ceded	31,565,878	19,413,171	77,418,869	75,111,781
Net premiums/ contributions written	63,360,442	37,553,469	205,322,494	159,963,093
Changes in unearned premiums/ contributions	652,064	-16,013,661	35,570,371	-35,784,578
Net premiums/ contributions earned	62,708,378	53,567,130	169,752,123	195,747,671
Reinsurance/ retakaful commissions	3,528,999	2,748,147	22,353,078	9,729,955
Investment income from insurance/ takaful operations, net	473,916	294,956	1,340,846	1,189,947
Total income from insurance/ takaful operations	66,711,293	56,610,233	193,446,047	206,667,573
Cost and expenses [abstract]
Net claims/ benefits incurred [abstract]
Net claims/ benefits paid [abstract]
Gross claims/ benefits paid	47,193,915	46,981,827	141,686,853	173,788,006
Reinsurance/ retakaful share of gross claims/ benefits paid	15,177,605	14,747,901	45,565,635	58,135,143
Net claims/ benefits paid	32,016,310	32,233,926	96,121,218	115,652,863
Changes in outstanding claims/ benefits including IBNR	991,317	-5,566,432	4,752,463	-6,070,262
Net claims/ benefits incurred	33,007,627	26,667,494	100,873,681	109,582,601
Policy acquisition costs	6,289,421	5,803,192	18,555,718	21,689,951
General and administrative expenses, insurance/ takaful operations	25,298,178	20,377,760	67,941,080	61,544,099
Other underwriting expenses	1,309,000		2,722,000
Total cost and expenses	65,904,226	52,848,446	190,092,479	192,816,651
Surplus (deficit) for period from insurance/ takaful operations	807,067	3,761,787	3,353,568	13,850,922
Shareholders appropriation from insurance/ takaful operations surplus (deficit)	726,360	3,385,608	3,018,211	12,465,830
Net result for period from insurance/ takaful operations after shareholders appropriation	80,707	376,179	335,357	1,385,092
Policyholders share of accumulated surplus, at end of period	80,707	376,179	335,357	1,385,092

[300300] Statement of shareholders operations, nature of expense

Start Date	2018-07-01	2017-07-01	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	2018-09-30	2017-09-30	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	726,360	3,385,608	3,018,211	12,465,830
Revenue [abstract]
Income from murabaha/ time deposits	1,669,203	685,136	4,916,202	2,244,370
Realised gain (loss) on available-for-sale investments	-999,975		-999,975
Total revenue	669,228	685,136	3,916,227	2,244,370
Expenses [abstract]
General and administrative expenses, shareholders operations	248,614	204,235	651,322	2,040,132
Total expenses	248,614	204,235	651,322	2,040,132
Income (loss) from continuing operations before zakat and income tax	1,146,974	3,866,509	6,283,116	12,670,068
Profit (loss) from continuing operations	1,146,974	3,866,509	6,283,116	12,670,068
Profit (loss) for the period	1,146,974	3,866,509	6,283,116	12,670,068
Profit (loss), attributable to [abstract]
Profit (loss), attributable to saudi shareholders of company	786,824.164	2,652,425.174	4,310,217.576	8,691,666.648
Profit (loss), attributable to non-saudi shareholders of company	360,149.836	1,214,083.826	1,972,898.424	3,978,401.352
Earnings per share [abstract]
Basic earnings (loss) per share [abstract]
Basic earnings (loss) per share from continuing operations	0.043	0.145	0.237	0.478
Total basic earnings (loss) per share	0.043	0.145	0.237	0.478
Diluted earnings (loss) per share [abstract]
Diluted earnings (loss) per share from continuing operations	0.043	0.145	0.237	0.478
Total diluted earnings (loss) per share	0.043	0.145	0.237	0.478
Weighted average number of equity shares outstanding	26500000	26500000	26500000	26500000

[300400] Statement of other comprehensive income, before tax, insurance operations

Start Date	2018-07-01	2017-07-01	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	2018-09-30	2017-09-30	Note No.
Statement of other comprehensive income, before tax [abstract]
Net result for period from insurance/ takaful operations after shareholders appropriation	80,707	376,179	335,357	1,385,092
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		146,990		282,727
Total other comprehensive income (loss), available-for-sale financial assets		146,990		282,727
Total other comprehensive income (loss), that will be reclassified to profit or loss		146,990		282,727
Total other comprehensive income (loss)		146,990		282,727
Total comprehensive income (loss) for period	80,707	523,169	335,357	1,667,819

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

Start Date	2018-07-01	2017-07-01	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	2018-09-30	2017-09-30	Note No.
Statement of other comprehensive income, before tax [abstract]
Statement of comprehensive income [abstract]
Profit (loss) for the period	1,146,974	3,866,509	6,283,116	12,670,068
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	-2,372,839	798,267	-3,365,599	1,731,406
Total other comprehensive income (loss), available-for-sale financial assets	-2,372,839	798,267	-3,365,599	1,731,406
Total other comprehensive income (loss), that will be reclassified to profit or loss	-2,372,839	798,267	-3,365,599	1,731,406
Total other comprehensive income (loss)	-2,372,839	798,267	-3,365,599	1,731,406
Total comprehensive income (loss) for period	-1,225,865	4,664,776	2,917,517	14,401,474
Total comprehensive income (loss) attributable to [abstract]
Total comprehensive income (loss), attributable to saudi shareholders of company	-840,943.39	3,200,036.336	2,001,416.662	9,879,411.164
Total comprehensive income (loss), attributable to non-saudi shareholders of company	-384,921.61	1,464,739.664	916,100.338	4,522,062.836

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

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	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	335,357	1,385,092
Adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation
Adjustments for depreciation, insurance/ takaful operations cash flow	1,092,075	1,516,523
Adjustments for employees end of service benefits	1,875,687	1,710,102
Adjustments for allowance for doubtful receivables	11,775,769	3,610,522
Adjustments for (gains) losses on disposal of property and equipment, net	-1,000
Adjustments for (gains) losses on disposal of available-for-sale investments		-59,884
Total adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation	14,742,531	6,777,263
Changes in operating assets and liabilities [abstract]
Adjustments for decrease (increase) in premium receivables, net	-63,691,117	-1,602,639
Adjustments for decrease (increase) in prepayments and other assets	-2,356,992	-1,687,042
Adjustments for increase (decrease) in outstanding claims including IBNR	11,736,573	-13,802,772
Adjustments for increase (decrease) in reinsurers/ retakaful balance payable	4,850,311	935,435
Adjustments for increase (decrease) in accrued expenses and other liabilities	-1,458,008	7,477,542
Adjustments for increase (decrease) in accrued retroceded/ reinsurance premiums	-546,400	10,079,556
Adjustments for decrease (increase) in reinsurers/ retakaful share of outstanding claims, net	-6,984,111	7,732,511
Adjustments for decrease (increase) in deferred policy acquisition costs	-181,710	4,172,286
Adjustments for decrease (increase) in deferred excess of loss expense	-1,284,122
Adjustments for decrease (increase) in advances and other receivables	-1,172,655	-1,925,458
Adjustments for increase (decrease) in due to shareholders operations	-1,114,712	-5,646,754
Adjustments for movement in gross unearned premiums/ contributions	36,116,771	-45,864,134
Total changes in operating assets and liabilities	-26,086,172	-40,131,469
Net cash flows from (used in) insurance/ takaful operations	-11,008,284	-31,969,114
Net cash flows from (used in) operating activities, insurance/ takaful operations	-11,008,284	-31,969,114
Cash flows from (used in) investing activities, insurance/ takaful operations [abstract]
Purchase of available-for-sale investments, insurance/ takaful operations cash flow		60,737,375
Purchase of held-to-maturity investments, insurance/ takaful operations cash flow	-4,000,000	-41,523,000
Purchase of property and equipment, insurance/ takaful operations cash flow	545,726	-17,341,234
Net cash flows from (used in) investing activities, insurance/ takaful operations	3,454,274	-1,873,141
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	-7,554,010	-33,842,255
Net increase (decrease) in cash and cash equivalents	-7,554,010	-33,842,255
Cash and cash equivalents at beginning of period	45,369,794	64,945,408
Cash and cash equivalents at end of period	37,815,784	31,103,153

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

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-09-30	2017-09-30	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	6,283,116	12,670,068
Net profit (loss) for period (before zakat expenses and income tax)	6,283,116	12,670,068
Adjustments to reconcile profit (loss) [abstract]
Adjustments for realised loss (gain) on available-for-sale investments, shareholders cash flow	734,180	1,284,454
Total adjustments to reconcile profit (loss)	734,180	1,284,454
Changes in operating assets and liabilities [abstract]
Adjustments for increase (decrease) in accrued expenses and other liabilities, shareholders cash flow	116,000	33,098
Adjustments for decrease (increase) in due from insurance/ takaful operations	1,114,712	5,646,754
Adjustments for decrease (increase) in prepayments and other assets, shareholders assets	-694,808	185,083
Total changes in operating assets and liabilities	535,904	5,864,935
Net cash flows from (used in) operations	7,553,200	19,819,457
Zakat expenses	5,120,977	6,130,421
Net cash flows from (used in) operating activities	2,432,223	13,689,036
Cash flows from (used in) investing activities [abstract]
Purchase of available-for-sale investments	-20,766,402	230,064,537
Purchase of term deposits investments	60,706,565	-122,439,105
Net cash flows from (used in) investing activities	-39,940,163	-107,625,432
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	-37,507,940	-93,936,396
Net increase (decrease) in cash and cash equivalents	-37,507,940	-93,936,396
Cash and cash equivalents at beginning of period	104,624,881	95,088,891
Cash and cash equivalents at end of period	67,116,941	1,152,495

[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	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30	2018-09-30	2017-09-30
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											6,283,116	12,670,068											6,283,116	12,670,068			6,283,116	12,670,068
Other comprehensive income, net of tax									-3,365,599	1,731,406													-3,365,599	1,731,406			-3,365,599	1,731,406
Total comprehensive income (loss) for period									-3,365,599	1,731,406	6,283,116	12,670,068											2,917,517	14,401,474			2,917,517	14,401,474
Other miscellaneous changes in equity											-4,946,030	-4,806,276											-4,946,030	-4,806,276			-4,946,030	-4,806,276
Total changes in equity									-3,365,599	1,731,406	1,337,086	7,863,792											-2,028,513	9,595,198			-2,028,513	9,595,198
Equity balance at end of period	265,000,000	265,000,000							-8,013,538	-3,483,221	-3,965,583	-7,630,096											253,020,879	253,886,683			253,020,879	253,886,683

[400100] Notes forming part of accounts

	English [member]	Note No.
Start Date	2018-07-01
End Date	2018-09-30
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 critical accounting judgements, estimates and assumptions, general [text block]
Disclosure of basis of measurement [text block]
Disclosure of notes forming part of accounts [abstract]
Disclosure of investments [text block]
Disclosure of premiums/ contributions and insurance/ reinsurance or takaful/ retakaful balance receivables [text block]
Disclosure of due from related parties [text block]
Disclosure of cash and cash equivalents [text block]
Disclosure of gross unearned premiums/ contributions [text block]
Disclosure of gross outstanding claims/ benefits [text block]
Disclosure of zakat [text block]
Disclosure of income tax [text block]
Disclosure of classes of share capital [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 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]

	Primary auditor [member]	Second primary auditor [member]
	English [member]	English [member]
Start Date	2018-07-01	2018-07-01
End Date	2018-09-30	2018-09-30
Auditors information [line items]
Details of auditors signing report [abstract]
Name of auditor signing report
Registration number of auditor
Details of audit firm [abstract]
Name of audit firm
Registration number of audit firm
Contact number of audit firm
Address of audit firm

[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