Intangible Assets - Intangible Assets, Other than Capitalized Software Development Costs (Details) - Intangible Assets Other Than Capitalized Software - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 79,000	$ 88,450
Accumulated amortization	(47,437)	(64,147)
Net intangible assets	31,563	24,303
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	44,750	39,200
Accumulated amortization	(31,983)	(29,824)
Net intangible assets	12,767	9,376
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	250	250
Accumulated amortization	(154)	(116)
Net intangible assets	96	134
Computer Software, Intangible Asset
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	25,700	49,000
Accumulated amortization	(15,114)	(34,207)
Net intangible assets	10,586	$ 14,793
Re-acquired Rights
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	6,350
Accumulated amortization	(132)
Net intangible assets	6,218
Data Health Database
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	1,950
Accumulated amortization	(54)
Net intangible assets	$ 1,896