Acquisitions - Additional Information (Details) - USD ($) $ in Thousands			9 Months Ended
	Jun. 01, 2018	Nov. 03, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018	Mar. 31, 2018
Business Acquisition [Line Items]
Cash			$ 2,500	$ 65,228
Payments for contingent consideration			2,500	0
Goodwill			0	26,070		$ 0
Fitlosophy, Inc.
Business Acquisition [Line Items]
Cash	$ 2,500
Transaction costs			25
Contingent consideration, up to	10,500
Contingent earn-out consideration	$ 1,600		1,600
Payments for contingent consideration			44
Goodwill					$ 1,390
Simplicity Creative Group
Business Acquisition [Line Items]
Cash		$ 69,617
Transaction costs		3,411
Goodwill		6,154
Borrowings from revolving credit facility		60,000
Working capital adjustment		$ 1,799	2,500
Selling, General and Administrative Expenses | Simplicity Creative Group
Business Acquisition [Line Items]
Transaction costs			$ 168	$ 3,243