Variable Interest Entities - Textual (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Variable Interest Entity [Line Items]
Gain on settlement of bankruptcy	$ 0	$ 0		$ 0	$ 4,527,000
Assets	185,238,000			185,238,000		$ 151,427,000
Liabilities	157,756,000			157,756,000		120,336,000
Net (Loss) Income	1,763,000	359,000		(2,546,000)	10,517,000
Operating income (loss)	1,068,000	3,720,000		(2,881,000)	5,185,000
Nonoperating income (expense)	377,000	(2,523,000)		(1,834,000)	(2,787,000)
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Gain on settlement of bankruptcy			$ 4,500,000		4,500,000
Assets	9,000.0			9,000.0		11,000.0
Liabilities	500,000			500,000		$ 500,000
Net (Loss) Income	(8,000.0)	$ (57,000.0)		$ (40,000.0)	(6,100,000)
Operating income (loss)	(2,000.0)				(200,000)
Nonoperating income (expense)	$ (6,000.0)				$ 6,200,000