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Schedule I - Condensed Financial Information of Registrant, Notes to Condensed Financial Statements (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021	May 22, 2019
Basis of Presentation [Abstract]
Net increase (decrease) in cash and cash equivalents	$ (36,381)	$ (200,149)	$ 357,176
Credit Facility [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity	$ 150,000
Revolving Credit Facility [Member]
Guarantees and Restrictions [Abstract]
Term of facility	5 years
Maximum borrowing capacity	$ 100,000
Maturity date	May 22, 2024
Borrowing availability	$ 87,000
Sub-Facility for Letters of Credit [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity	45,000
Sub-Facility for Swingline Loans [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity	25,000
Ollie's Bargain Outlet Holdings, Inc. [Member]
Basis of Presentation [Abstract]
Net increase (decrease) in cash and cash equivalents	$ 0	$ 0	$ 0
Ollie's Bargain Outlet Holdings, Inc. [Member] \| Credit Facility [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity				$ 150,000
Ollie's Bargain Outlet Holdings, Inc. [Member] \| Revolving Credit Facility [Member]
Guarantees and Restrictions [Abstract]
Term of facility	5 years
Maximum borrowing capacity				100,000
Maturity date	May 22, 2024
Borrowing availability	$ 87,000
Ollie's Bargain Outlet Holdings, Inc. [Member] \| Sub-Facility for Letters of Credit [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity				45,000
Ollie's Bargain Outlet Holdings, Inc. [Member] \| Sub-Facility for Swingline Loans [Member]
Guarantees and Restrictions [Abstract]
Maximum borrowing capacity				$ 25,000