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Stock-Based Compensation Stock-Based Compensation (Details) - USD ($)
$ in Thousands, shares in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount $ (666) $ (1,119) $ (2,325)
Stock-based compensation, net of capitalization $ 12,515 13,581 14,339
Share-based compensation arrangement by share-based payment award, number of shares Authorized 5.0    
Share-based compensation arrangement by share-based payment award, number of shares available for grant 4.3    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense [1] $ 12,651 14,248 16,254
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Noninterest Expense Directors Fees 530 452 410
Parent Company [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation, net of capitalization $ 12,515 $ 13,581 $ 14,339
[1] Includes amortization of the grant date fair value of restricted stock awards over the respective vesting periods