Intangible Assets - Intangible Assets, Other than Capitalized Software Development Costs (Details) - Intangible Assets Other Than Capitalized Software - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 88,450	$ 130,950
Accumulated amortization	(64,147)	(94,250)
Net intangible assets	24,303	36,700
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	39,200	39,200
Accumulated amortization	(29,824)	(26,349)
Net intangible assets	9,376	12,851
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	250	250
Accumulated amortization	(116)	(67)
Net intangible assets	134	183
Computer Software, Intangible Asset
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	49,000	91,500
Accumulated amortization	(34,207)	(67,834)
Net intangible assets	$ 14,793	$ 23,666