	English [member]
Start Date	2018-04-01	2017-04-01
End Date	2018-06-30	2017-06-30
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 2
Reporting period start date	2018-04-01	2017-04-01
Reporting period end date	2018-06-30	2017-06-30
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

[200100] Independent auditors report

	Primary auditor [member]	Primary auditor [member]	Second primary auditor [member]	Second primary auditor [member]
	English [member]		English [member]
Start Date	2018-04-01	2018-04-01	2018-04-01	2018-04-01
End Date	2018-06-30	2018-06-30	2018-06-30	2018-06-30
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

	English [member]
Start Date	2018-04-01
End Date	2018-06-30
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	2018-07-24

[300100] Statement of financial position, order of liquidity

Start Date	2018-01-01	2017-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-12-31	2017-06-30	Note No.
Statement of financial position [abstract]
Assets [abstract]
Insurance/ takaful operations assets [abstract]
Property and equipment, net, insurance/ takaful operations assets	4,655,714	5,002,680	4,545,059
Due from related parties, insurance/ takaful operations assets		63,839	81,554
Deferred policy acquisition costs	12,732,190	10,044,087	11,324,881
Retroceded share of unearned premium	46,188,142	50,611,534	56,997,059
Prepayments and other assets, insurance/ takaful operations assets	12,637,117	11,418,302	17,124,601
Due from shareholders operations	56,776,603	74,635,649	92,148,264
Premiums/ insurance receivables/takaful contributions receivable, net	146,100,872	108,003,376	131,986,301
Reinsurers/ retakaful share of outstanding claims/ benefits, net	52,616,592	46,629,718	59,318,615
Time (Murabaha) deposits, insurance/ takaful operations assets	16,000,000	20,000,000
Deferred excess of loss premiums	2,568,248
Available-for-sale investments, insurance/ takaful operations assets			61,235,737
Cash and cash equivalents, insurance/ takaful operations assets	68,430,174	45,369,794	17,297,623
Other assets, insurance/ takaful operations assets	26,104,688	26,104,688	26,104,688
Total insurance/ takaful operations assets	444,810,340	397,883,667	478,164,382
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	1,191,173	619,042	2,541,756
Time (Murabaha) deposits, shareholders assets	85,713,119	50,000,000
Available-for-sale investments, shareholders assets	82,458,844	102,133,043	266,547,347
Cash and cash equivalents, shareholders assets	69,893,899	104,624,881	738,775
Other assets, shareholders assets	2,321,139	1,991,630
Total shareholders assets	318,566,174	337,106,596	347,565,878
Total assets	763,376,514	734,990,263	825,730,260
Liabilities and equity [abstract]
Insurance/ takaful operations liabilities and surplus (deficit) [abstract]
Insurance/ takaful operations liabilities [abstract]
Gross unearned premiums/ contributions	172,273,372	141,778,458	172,164,987
Unearned commission income	4,475,704	4,918,767	4,041,697
Employees end of service benefits, insurance/ takaful operations liabilities	10,114,940	9,934,779	7,630,581
Due to related parties, insurance/ takaful operations liabilities	229,583
Reinsurers/ retakaful balance payable	27,339,808	29,654,499	41,935,276
Gross outstanding claims/ benefits including IBNR payable	153,102,459	143,354,441	165,917,850
Other technical reserves	5,169,000	3,756,000
Accrued expenses payable, insurance/ takaful operations liabilities	69,040,048	61,675,947	29,151,193
Other liabilities, insurance/ takaful operations			54,416,386
Total insurance/ takaful operations liabilities	441,744,914	395,072,891	475,257,970
Insurance/ takaful operations surplus (deficit) [abstract]
Surplus (deficit) from insurance/ takaful fund	3,065,426	2,810,776	2,770,675
Fair value reserves on investments			135,737
Total insurance/ takaful operations surplus (deficit)	3,065,426	2,810,776	2,906,412
Total insurance/ takaful operations liabilities and surplus (deficit)	444,810,340	397,883,667	478,164,382
Shareholders liabilities and equity [abstract]
Shareholders liabilities [abstract]
Zakat payable	2,747,888	4,978,754	2,797,347
Due to insurance/ takaful operations	56,776,603	74,635,649	92,148,264
Accrued expenses payable, shareholders liabilities	417,879	451,171	292,334
Other liabilities, shareholders liabilities	2,321,139	1,991,630	1,748,715
Total shareholders liabilities	62,263,509	82,057,204	96,986,660
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	-5,640,699	-4,647,939	-4,281,488
Retained earnings (accumulated losses)	-3,056,636	-5,302,669	-10,139,294
Total equity attributable to owners of parent	256,302,665	255,049,392	250,579,218
Total equity attributable to equity holders of company	256,302,665	255,049,392	250,579,218
Total shareholders liabilities and equity	318,566,174	337,106,596	347,565,878
Total insurance/ takaful operations liabilities, surplus (deficit) and shareholders liabilities and equity	763,376,514	734,990,263	825,730,260

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

Start Date	2018-04-01	2017-04-01	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	2018-06-30	2017-06-30	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	77,262,457	68,739,038	194,125,910	181,104,919
Excess of loss expense	1,284,126	1,188,934	6,310,867	2,996,684
Reinsurance/ retakaful premiums ceded	18,952,581	21,190,096	45,852,991	55,698,610
Net premiums/ contributions written	57,025,750	46,360,008	141,962,052	122,409,625
Changes in unearned premiums/ contributions	1,280,584	-26,373,292	34,918,307	-19,770,917
Net premiums/ contributions earned	55,745,166	72,733,300	107,043,745	142,180,542
Reinsurance/ retakaful commissions	9,745,091	2,951,407	18,824,079	6,981,808
Investment income from insurance/ takaful operations, net	425,221	297,666	866,931	894,991
Total income from insurance/ takaful operations	65,915,478	75,982,373	126,734,755	150,057,341
Cost and expenses [abstract]
Net claims/ benefits incurred [abstract]
Net claims/ benefits paid [abstract]
Gross claims/ benefits paid	47,728,856	63,031,453	94,492,938	126,806,179
Reinsurance/ retakaful share of gross claims/ benefits paid	14,126,437	21,094,999	30,388,030	43,387,242
Net claims/ benefits paid	33,602,419	41,936,454	64,104,908	83,418,937
Changes in outstanding claims/ benefits including IBNR	1,601,060	-13,102	3,761,145	-503,830
Net claims/ benefits incurred	35,203,479	41,923,352	67,866,053	82,915,107
Policy acquisition costs	5,594,663	8,225,026	12,266,297	15,886,759
General and administrative expenses, insurance/ takaful operations	23,591,380	21,177,751	42,642,903	41,166,339
Other underwriting expenses	1,413,000		1,413,000
Total cost and expenses	65,802,522	71,326,129	124,188,253	139,968,205
Surplus (deficit) for period from insurance/ takaful operations	112,956	4,656,244	2,546,502	10,089,136
Shareholders appropriation from insurance/ takaful operations surplus (deficit)	101,660	4,190,620	2,291,852	9,080,222
Net result for period from insurance/ takaful operations after shareholders appropriation	11,296	465,624	254,650	1,008,914
Policyholders share of accumulated surplus, at end of period	11,296	465,624	254,650	1,008,914

[300300] Statement of shareholders operations, nature of expense

Start Date	2018-04-01	2017-04-01	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	2018-06-30	2017-06-30	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	101,660	4,190,620	2,291,852	9,080,222
Revenue [abstract]
Commission/ profit on deposits	1,501,438	908,860	2,981,204	2,843,688
Realised gain (loss) on available-for-sale investments	-20,625		265,795	-1,284,454
Total revenue	1,480,813	908,860	3,246,999	1,559,234
Expenses [abstract]
General and administrative expenses, shareholders operations	272,718	1,452,179	402,708	1,835,896
Total expenses	272,718	1,452,179	402,708	1,835,896
Income (loss) from continuing operations before zakat and income tax	1,309,755	3,647,301	5,136,143	8,803,560
Profit (loss) from continuing operations	1,309,755	3,647,301	5,136,143	8,803,560
Profit (loss) for the period	1,309,755	3,647,301	5,136,143	8,803,560
Profit (loss), attributable to [abstract]
Profit (loss), attributable to saudi shareholders of company	898,491.93	2,502,048.486	3,523,394.098	6,039,242.16
Profit (loss), attributable to non-saudi shareholders of company	411,263.07	1,145,252.514	1,612,748.902	2,764,317.84
Earnings per share [abstract]
Basic earnings (loss) per share [abstract]
Basic earnings (loss) per share from continuing operations	0.0494	0.138	0.193	0.33
Total basic earnings (loss) per share	0.0494	0.138	0.193	0.33
Diluted earnings (loss) per share [abstract]
Diluted earnings (loss) per share from continuing operations	0.0494	0.138	0.193	0.33
Total diluted earnings (loss) per share	0.0494	0.138	0.193	0.33
Weighted average number of equity shares outstanding	26500000	26500000	26500000	26500000

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

Start Date	2018-04-01	2017-04-01	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	2018-06-30	2017-06-30	Note No.
Statement of other comprehensive income, before tax [abstract]
Net result for period from insurance/ takaful operations after shareholders appropriation	11,296	465,624	254,650	1,008,914
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		132,286		135,737
Total other comprehensive income (loss), available-for-sale financial assets		132,286		135,737
Total other comprehensive income (loss), that will be reclassified to profit or loss		132,286		135,737
Total other comprehensive income (loss)		132,286		135,737
Total comprehensive income (loss) for period	11,296	597,910	254,650	1,144,651

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

Start Date	2018-04-01	2017-04-01	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	2018-06-30	2017-06-30	Note No.
Statement of other comprehensive income, before tax [abstract]
Statement of comprehensive income [abstract]
Profit (loss) for the period	1,309,755	3,647,301	5,136,143	8,803,560
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	-125,478	539,371	-992,760	933,139
Total other comprehensive income (loss), available-for-sale financial assets	-125,478	539,371	-992,760	933,139
Total other comprehensive income (loss), that will be reclassified to profit or loss	-125,478	539,371	-992,760	933,139
Total other comprehensive income (loss)	-125,478	539,371	-992,760	933,139
Total comprehensive income (loss) for period	1,184,277	4,186,672	4,143,383	9,736,699
Total comprehensive income (loss) attributable to [abstract]
Total comprehensive income (loss), attributable to saudi shareholders of company	812,414.022	2,872,056.992	2,842,360.738	6,679,375.514
Total comprehensive income (loss), attributable to non-saudi shareholders of company	371,862.978	1,314,615.008	1,301,022.262	3,057,323.486

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

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	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	254,650	1,008,914
Adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation
Adjustments for depreciation, insurance/ takaful operations cash flow	751,477	667,854
Adjustments for employees end of service benefits	1,119,092	953,881
Adjustments for allowance for doubtful receivables	5,120,925	2,950,852
Adjustments for (gains) losses on disposal of property and equipment, net	-1,000
Total adjustments to reconcile net income to net cash from insurance/ takaful operations after shareholders appropriation	6,990,494	4,572,587
Changes in operating assets and liabilities [abstract]
Adjustments for decrease (increase) in premium receivables, net	-43,218,421	-8,108,705
Adjustments for decrease (increase) in prepayments and other assets	-1,218,816	-3,918,855
Adjustments for increase (decrease) in outstanding claims including IBNR	9,748,018	-20,324,620
Adjustments for increase (decrease) in reinsurers/ retakaful balance payable	-2,314,692	5,121,082
Adjustments for increase (decrease) in accrued expenses and other liabilities	8,131,594	939,707
Adjustments for increase (decrease) in accrued retroceded/ reinsurance premiums	4,423,392	3,952,933
Adjustments for decrease (increase) in reinsurers/ retakaful share of outstanding claims, net	-5,986,874	19,821,490
Adjustments for decrease (increase) in deferred policy acquisition costs	-2,688,103	3,041,649
Adjustments for decrease (increase) in deferred excess of loss expense	-2,568,248
Adjustments for decrease (increase) in unearned commission income	-443,063	-1,837,700
Adjustments for decrease (increase) in due from shareholders operations	17,859,046	-8,803,659
Adjustments for movement in gross unearned premiums/ contributions	30,494,914	-23,723,850
Total changes in operating assets and liabilities	12,218,747	-33,840,528
Net cash flows from (used in) insurance/ takaful operations	19,463,891	-28,259,027
Net cash flows from (used in) operating activities, insurance/ takaful operations	19,463,891	-28,259,027
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	403,511	174,383
Net cash flows from (used in) investing activities, insurance/ takaful operations	3,596,489	-19,388,758
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	23,060,380	-47,647,785
Net increase (decrease) in cash and cash equivalents	23,060,380	-47,647,785
Cash and cash equivalents at beginning of period	45,369,794	64,945,408
Cash and cash equivalents at end of period	68,430,174	17,297,623

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

Start Date	2018-01-01	2017-01-01	Note No.
End Date	2018-06-30	2017-06-30	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	5,136,143	8,803,560
Net profit (loss) for period (before zakat expenses and income tax)	5,136,143	8,803,560
Adjustments to reconcile profit (loss) [abstract]
Adjustments for realised loss (gain) on available-for-sale investments, shareholders cash flow	-265,795	1,284,454
Total adjustments to reconcile profit (loss)	-265,795	1,284,454
Changes in operating assets and liabilities [abstract]
Adjustments for increase (decrease) in accrued expenses and other liabilities, shareholders cash flow	-33,290	149,597
Adjustments for decrease (increase) in due from insurance/ takaful operations	-17,859,046	8,803,659
Adjustments for decrease (increase) in prepayments and other assets, shareholders assets	-572,131	364,466
Total changes in operating assets and liabilities	-18,464,467	9,317,722
Net cash flows from (used in) operations	-13,594,119	19,405,736
Zakat expenses	5,120,977	6,130,421
Net cash flows from (used in) operating activities	-18,715,096	13,275,315
Cash flows from (used in) investing activities [abstract]
Purchase of available-for-sale investments	-19,697,233	230,064,536
Purchase of term deposits investments	35,713,119	-122,439,105
Net cash flows from (used in) investing activities	-16,015,886	-107,625,431
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	-34,730,982	-94,350,116
Net increase (decrease) in cash and cash equivalents	-34,730,982	-94,350,116
Cash and cash equivalents at beginning of period	104,624,881	95,088,891
Cash and cash equivalents at end of period	69,893,899	738,775

[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	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30	2018-06-30	2017-06-30
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											5,136,143	8,803,560											5,136,143	8,803,560			5,136,143	8,803,560
Other comprehensive income, net of tax									-992,760	933,139													-992,760	933,139			-992,760	933,139
Total comprehensive income (loss) for period									-992,760	933,139	5,136,143	8,803,560											4,143,383	9,736,699			4,143,383	9,736,699
Other miscellaneous changes in equity											-2,890,110	-3,448,966											-2,890,110	-3,448,966			-2,890,110	-3,448,966
Total changes in equity									-992,760	933,139	2,246,033	5,354,594											1,253,273	6,287,733			1,253,273	6,287,733
Equity balance at end of period	265,000,000	265,000,000							-5,640,699	-4,281,488	-3,056,636	-10,139,294											256,302,665	250,579,218			256,302,665	250,579,218

[400100] Notes forming part of accounts

	English [member]	Note No.
Start Date	2018-04-01
End Date	2018-06-30
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]

[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