Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Deferred Tax Valuation Allowance [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 67,928	$ 69,515	$ 74,631
Charged to costs and expenses	0	0	0
Deductions	(64,990)	(1,587)	(5,116)
Balance at end of year	2,938	67,928	69,515
Allowance For Expected Credit Losses [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	610
Charged to costs and expenses	2,118
Deductions	(1,754)
Balance at end of year	974	610
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 610	318	1,220
Charged to costs and expenses		620	117
Deductions		(328)	(1,019)
Balance at end of year		$ 610	$ 318