Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Expense Stock-Based Compensation Expense - Unvested Shares (Details)

v3.23.1
Stock-Based Compensation Expense Stock-Based Compensation Expense - Unvested Shares (Details) - $ / shares
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Expired (in shares) (14,871) (4,322)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Expired, weighted average exercise price (in dollars per share) $ 21.52 $ 16.30  
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Options outstanding, beginning of period (in shares) 89,237 111,401 163,016
Granted (in shares)   0 71,780
Exercised (in shares)   (8,100) (97,156)
Forfeited (in shares)   (9,742) (16,171)
Expired (in shares)     (10,068)
Options outstanding, end of period (in shares) 74,366 89,237 111,401
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Beginning balance, weighted average exercise price (in dollars per share) $ 17.20 $ 16.53 $ 12.25
Granted, weighted average exercise price (in dollars per share)   0 14.28
Exercised, weighted average exercise price (in dollars per share)   12.00 6.81
Forfeited, weighted average exercise price (in dollars per share)   14.28 14.28
Expired, weighted average exercise price (in dollars per share)     14.73
Ending balance, weighted average exercise price (in dollars per share) $ 16.33 $ 17.20 $ 16.53