Acquisitions (Details) - OneWater LLC [Member] $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2019 USD ($) Store Acquisition	Dec. 31, 2018 USD ($) Acquisition	Sep. 30, 2019 USD ($) Acquisition	Dec. 01, 2018 Store
Acquisition [Abstract]
Number of acquisitions completed | Acquisition	0	1	5
Number of stores | Store	63
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Goodwill	$ 113,059		$ 113,059
Slalom Shop [Member]
Acquisition [Abstract]
Number of stores | Store				2
Cash paid for acquisition	$ 1,600
Interest rate	5.00%
Notes payable term	3 years
Allocation of Purchase Price Consideration to Assets Acquired and Liabilities Assumed [Abstract]
Prepaid expenses		$ 26
Inventory		6,726
Property and equipment		3
Identifiable intangible assets		3,003
Goodwill		3,348
Liabilities assumed		(5,185)
Total purchase price		$ 7,921
Slalom Shop [Member] | Notes Payable to Seller [Member]
Acquisition [Abstract]
Note payable to seller	$ 5,100
Slalom Shop [Member] | Notes Payable to Seller at 5% [Member]
Acquisition [Abstract]
Note payable to seller	$ 1,300