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Employee Benefit Plans and Shareholder Rights Plan - Restricted Stock and Restricted Stock Units Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Balance, beginning of year, Number 2,535,807 2,447,259 1,955,346
Balance, beginning of year. Weighted Average Date Fair Value $ 12.18 $ 12.10 $ 13.67
Granted, Number 753,670 898,264 1,333,689
Granted, Weighted Average Fair Value $ 19.14 $ 14.14 $ 11.80
Vested, Number (823,785) (674,968) (601,830)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested $ 16,232 $ 9,529 $ 7,613
Vested, Weighted Average Fair Value $ 10.95 $ 14.53 $ 16.42
Forfeited, Number (180,382) (134,748) (239,946)
Forfeited, Weighted Average Fair Value $ 13.82 $ 12.19 $ 12.35
Balance, end of year, Number 2,285,310 2,535,807 2,447,259
Balance, end of year. Weighted Average Fair Value $ 14.78 $ 12.18 $ 12.10
Performance Shares [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 10,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 10,000    
Defined Benefit Plan Disclosure [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 10,000    
Restricted Stock Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Compensation expense $ 11,000 $ 9,600 $ 9,600
Minimum [Member] | Performance Shares [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Final Value $ 0    
Maximum [Member] | Performance Shares [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Final Value $ 200