CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 27,037	$ 42,354	$ 38,465	$ 65,840
Other comprehensive income:
Foreign currency translation adjustment	8	0	19	0
Comprehensive income	27,045	42,354	38,484	65,840
Less: Net income attributable to non-controlling interests	(1,165)	(1,011)	(2,530)	(1,011)
Less: Net income attributable to non-controlling interests of One Water Marine Holdings, LLC	(3,068)	(5,046)	(4,231)	(8,513)
Foreign currency translation adjustment attributable to non-controlling interest of One Water Marine Holdings, LLC	(1)	0	(2)	0
Comprehensive income attributable to One Water Marine Holdings, Inc.	$ 22,811	$ 36,297	$ 31,721	$ 56,316