Significant Accounting Policies - Contingent Consideration Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2025	Mar. 31, 2025
Contingent Consideration Liabilities
Contingent consideration liabilities, total	$ 14,660	$ 15,797
Contingent consideration liabilities, current	2,000	2,000
Contingent consideration liabilities, noncurrent	12,700	$ 13,800
Liabilities settled
Contingent Consideration Liabilities
Change in contingent consideration liabilities	$ (1,137)