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Stock-Based Compensation (2017 Omnibus Plan) - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	May 24, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards	$ (8)	$ (11)	$ (3,743)	$ (3,226)
Number of shares available (in shares)	400,000		400,000
ESPP discount			85.00%
2017 Omnibus Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards (in shares)			100,000
Restricted stock awards			$ 13,800
Granted (in shares)			100,000
Grant date fair value			$ 16,700
2017 Omnibus Plan \| Assumed exercise of stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options granted (in shares)			100,000
Number of stock options granted, value			$ 7,800
2017 Omnibus Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock approved for issuance (in shares)					5,000,000.0