Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) shares in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019	Jun. 01, 2018	Nov. 03, 2017	Dec. 13, 2016
Net Investment Income [Line Items]
Remaining amount of inventory acquired	$ 0	$ 5,923,000	$ 284,000
Asset held for sale	131,000	0	$ 131,000
Depreciation expense	$ 2,414,000	$ 2,030,000
Effective antidilutive securities excluded from computation of net income per share (in shares)	607	552
The McCall Pattern Company
Net Investment Income [Line Items]
Step up to fair value of inventory acquired						$ 21,773,000
Simplicity Creative Group
Net Investment Income [Line Items]
Step up to fair value of inventory acquired					$ 10,214,000
Fitlosophy, Inc.
Net Investment Income [Line Items]
Step up to fair value of inventory acquired				$ 312,000
Minimum
Net Investment Income [Line Items]
Revenue payment terms	30 days
Maximum
Net Investment Income [Line Items]
Revenue payment terms	90 days