Schedule I - Condensed Financial Information of Registrant, Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Assets [Abstract]
Total current assets	$ 871,428	$ 754,296
Long-term assets: [Abstract]
Total assets	2,294,594	2,044,096
Liabilities and Stockholders' Equity [Abstract]
Total current liabilities	315,551	259,285
Total liabilities	786,362	682,027
Stockholders' equity: [Abstract]
Common stock	67	67
Additional paid-in capital	694,959	677,694
Retained earnings	1,167,951	986,512
Treasury stock, at cost	(354,745)	(302,204)
Total stockholders' equity	1,508,232	1,362,069	$ 1,287,710	$ 1,334,881
Total liabilities and stockholders' equity	2,294,594	2,044,096
Ollie's Bargain Outlet Holdings, Inc. [Member]
Assets [Abstract]
Total current assets	0	0
Long-term assets: [Abstract]
Investment in subsidiaries	1,508,232	1,362,069
Total assets	1,508,232	1,362,069
Liabilities and Stockholders' Equity [Abstract]
Total current liabilities	0	0
Total long-term liabilities	0	0
Total liabilities	0	0
Stockholders' equity: [Abstract]
Common stock	67	67
Additional paid-in capital	694,959	677,694
Retained earnings	1,167,951	986,512
Treasury stock, at cost	(354,745)	(302,204)
Total stockholders' equity	1,508,232	1,362,069
Total liabilities and stockholders' equity	$ 1,508,232	$ 1,362,069