CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total Stockholders' Equity Attributable To PriceSmart, Inc. [Member]	Noncontrolling Interest [Member]	Total
Balance at Aug. 31, 2020	$ 3	$ 454,455	$ (176,820)	$ 582,487	$ (28,406)	$ 831,719	$ 1,013	$ 832,732
Balance (in shares) at Aug. 31, 2020	31,418,000				747,000
Purchase of treasury stock					$ (2,574)	(2,574)		(2,574)
Purchase of treasury stock (in shares)					27,000
Issuance of treasury stock		(7,864)			$ 7,864
Issuance of treasury stock (in shares)	(96,000)				(96,000)
Issuance of restricted stock award (in shares)	137,000
Forfeiture of restricted stock awards (in shares)	(3,000)
Stock-based compensation		13,221				13,221		13,221
Dividend paid to stockholders				(10,762)		(10,762)	(346)	(11,108)
Dividend payable to stockholders				(10,755)		(10,755)		(10,755)
Net income				78,502		78,502	223	78,725
Other comprehensive income (loss)			(548)			(548)	91	(457)
Balance at May. 31, 2021	$ 3	459,812	(177,368)	639,472	$ (23,116)	898,803	981	899,784
Balance (in shares) at May. 31, 2021	31,456,000				678,000
Balance at Aug. 31, 2020	$ 3	454,455	(176,820)	582,487	$ (28,406)	831,719	1,013	832,732
Balance (in shares) at Aug. 31, 2020	31,418,000				747,000
Balance at Aug. 31, 2021	$ 3	465,015	(182,508)	658,919	$ (26,084)	915,345	869	$ 916,214
Balance (in shares) at Aug. 31, 2021	31,468,000				713,000			30,755,308
Balance at Feb. 28, 2021	$ 3	454,881	(174,778)	616,943	$ (22,781)	874,268	983	$ 875,251
Balance (in shares) at Feb. 28, 2021	31,452,000				675,000
Purchase of treasury stock					$ (335)	(335)		(335)
Purchase of treasury stock (in shares)					3,000
Issuance of restricted stock award (in shares)	4,000
Stock-based compensation		4,931				4,931		4,931
Dividend paid to stockholders							(87)	(87)
Net income				22,529		22,529	52	22,581
Other comprehensive income (loss)			(2,590)			(2,590)	33	(2,557)
Balance at May. 31, 2021	$ 3	459,812	(177,368)	639,472	$ (23,116)	898,803	981	899,784
Balance (in shares) at May. 31, 2021	31,456,000				678,000
Balance at Aug. 31, 2021	$ 3	465,015	(182,508)	658,919	$ (26,084)	915,345	869	$ 916,214
Balance (in shares) at Aug. 31, 2021	31,468,000				713,000			30,755,308
Purchase of treasury stock					$ (3,997)	(3,997)		$ (3,997)
Purchase of treasury stock (in shares)					54,000
Issuance of treasury stock		(699)			$ 699
Issuance of treasury stock (in shares)	(9,000)				(9,000)
Issuance of restricted stock award (in shares)	234,000
Forfeiture of restricted stock awards (in shares)	(5,000)
Stock-based compensation		12,678				12,678		12,678
Dividend paid to stockholders				(13,275)		(13,275)		(13,275)
Dividend payable to stockholders				(13,430)		(13,430)		(13,430)
Net income				81,230		81,230	19	81,249
Other comprehensive income (loss)			(10,640)			(10,640)	3	(10,637)
Sale of Aeropost stock		287				287	$ (891)	(604)
Balance at May. 31, 2022	$ 3	477,281	(193,148)	713,444	$ (29,382)	968,198		$ 968,198
Balance (in shares) at May. 31, 2022	31,688,000				758,000			30,930,527
Balance at Feb. 28, 2022	$ 3	473,277	(184,413)	694,186	$ (29,169)	953,884		$ 953,884
Balance (in shares) at Feb. 28, 2022	31,626,000				755,000
Purchase of treasury stock					$ (213)	(213)		(213)
Purchase of treasury stock (in shares)					3,000
Issuance of restricted stock award (in shares)	63,000
Forfeiture of restricted stock awards (in shares)	(1,000)
Stock-based compensation		4,004				4,004		4,004
Net income				19,258		19,258		19,258
Other comprehensive income (loss)			(8,735)			(8,735)		(8,735)
Balance at May. 31, 2022	$ 3	$ 477,281	$ (193,148)	$ 713,444	$ (29,382)	$ 968,198		$ 968,198
Balance (in shares) at May. 31, 2022	31,688,000				758,000			30,930,527