Significant Accounting Policies (Summary of Activity Related to Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Significant Accounting Policies [Abstract]
Balance at beginning of period
Acquisition in Merger	22,059
Provisions	905
Write-offs	(604)
Balance at end of period	$ 22,360