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Equity Plans - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Apr. 26, 2023
Restricted stock and deferred restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation costs $ 7,121   $ 7,121    
Recognition period for unrecognized compensation cost     1 year 11 months 26 days    
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of equity instruments granted (in shares) 9,610 12,604      
Grant date fair value of equity instruments granted (usd per share) $ 75.28 $ 58.04      
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of equity instruments granted (in shares) 0 32      
Grant date fair value of equity instruments granted (usd per share)   $ 66.14      
Performance Shares | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target vesting percentage     0.00%    
Performance Shares | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target vesting percentage     150.00%    
Market-based RSU | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target vesting percentage     0.00%    
Market-based RSU | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target vesting percentage     200.00%    
Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining shares available for issuance (in shares)         1,142,000
Incentive Plan | Restricted stock and deferred restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issuable upon exercise of incentive plan awards (in shares) 156,299   156,299    
Remaining shares available for issuance (in shares) 1,132,390   1,132,390    
Number of equity instruments granted (in shares)     37,342 44,003  
Service-based restricted stock vesting period 1 year 3 years 1 year 3 years  
Grant date fair value of equity instruments granted (usd per share)     $ 77.21 $ 65.41  
Incentive Plan | Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of equity instruments granted (in shares)     31,345 33,653  
Grant date fair value of equity instruments granted (usd per share)     $ 80.05 $ 70.35  
ESPP          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining shares available for issuance (in shares)         500,000
Unrecognized compensation costs $ 34   $ 34    
Plan expense $ 106 $ 89 $ 196 $ 182