Income Taxes (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Line Items]
Statutory federal tax, percent	35.00%	21.00%
Deferred tax expense		$ 594
Internal Revenue Service (IRS) [Member]
Income Tax Disclosure [Line Items]
Net NOL carryforwards			$ 164,000
Net operating loss carryforwards, no expiration		33,000	72,600	$ 34,100
Net operating loss carryforwards		28,600	$ 38,500	$ 125,700
Federal and State [Member] | Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, expiration year			Jan. 01, 2020	Jan. 01, 2019
Federal and State [Member] | Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, expiration year			Dec. 31, 2037	Dec. 31, 2037
State [Member]
Income Tax Disclosure [Line Items]
Net NOL carryforwards			$ 74,000
Net operating loss carryforwards, no expiration			10,300	$ 4,400
Net operating loss carryforwards		$ 17,000	$ 6,000	$ 51,300