Other Assets - Tabular Disclosure (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Mar. 31, 2020
Royalty-related assets
Royalty-related assets	$ 2,737	$ 2,796
Other Current Assets
Royalty-related assets
Royalty-related assets	124	124
Other Noncurrent Assets
Royalty-related assets
Royalty-related assets	$ 2,613	$ 2,672

The amount paid to music publishers, record producers, songwriters, or other artists in advance of their earning royalties from record or music sales. Such an amount is based on contractual terms and is generally nonrefundable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473541&loc=d3e61799-108003

Name:	us-gaap_AdvanceRoyalties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant