Stock Based Compensation - Summary Of Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
Sep. 30, 2022	Mar. 31, 2022
Number of Stock Options
Outstanding, beginning of year (in shares)	1,578,000
Granted, at fair market value (in shares)	0
Exercised (in shares)	0
Forfeited (in shares)	0
Outstanding, end of year (in shares)	1,578,000	1,578,000
Options exercisable, end of year (in shares)	1,369,000
Weighted Average Exercise Price
Outstanding, beginning of year (in dollars per share)	$ 19.44
Granted, at fair market value (in dollars per share)	0
Exercised (in dollars per share)	0
Forfeited (in dollars per share)	0
Outstanding, end of year (in dollars per share)	19.44	$ 19.44
Options exercisable, weighted average exercise price per share (in dollars per share)	$ 19.92
Weighted average remaining contractual life (in years)	5 years 3 months 25 days	5 years 9 months 25 days
Options exercisable, weighted average remaining contractual life (in years)	5 years 21 days
Options outstanding, total intrinsic value	$ 0	$ 217
Options exercisable, end of year	$ 0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.