Restricted Stock - Non-vested Restricted Stock (Details) shares in Thousands	12 Months Ended
	Mar. 31, 2023 shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested restricted stock at March 31, 2022 (in shares)	771
Restricted stock granted (in shares)	127
Restricted stock vested (in shares)	(118)
Restricted stock forfeited or expired (in shares)	(27)
Non-vested restricted stock outstanding at March 31, 2023 (in shares)	753
Employee Plan
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested restricted stock at March 31, 2022 (in shares)	702
Restricted stock granted (in shares)	88
Restricted stock vested (in shares)	(88)
Restricted stock forfeited or expired (in shares)	(18)
Non-vested restricted stock outstanding at March 31, 2023 (in shares)	684
Director Plan
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested restricted stock at March 31, 2022 (in shares)	69
Restricted stock granted (in shares)	39
Restricted stock vested (in shares)	(30)
Restricted stock forfeited or expired (in shares)	(9)
Non-vested restricted stock outstanding at March 31, 2023 (in shares)	69