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Regulatory Capital Requirements (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Jan. 01, 2019
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Actual Amount $ 350,350 $ 400,100  
Tier 1 common equity, (to risk-weighted assets), Actual Ratio (as a percent) 8.97% 9.30%  
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     7.00%
Tier 1 capital (to risk-weighted assets), Actual Amount $ 350,350 $ 400,100  
Tier 1 capital (to risk-weighted assets), Actual Ratio (as a percent) 0.0897 0.0930  
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     0.085
Capital $ 488,170 $ 542,808  
Capital to Risk Weighted Assets 0.1250 0.1262  
Capital Required for Capital Adequacy to Risk Weighted Assets     0.105
Tier 1 capital (to average assets), Actual Amount $ 350,350 $ 400,100  
Tier 1 capital (to average assets), Actual Ratio (as a percent) 0.0624 0.0690  
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent)     0.040
2016 Period      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount     $ 273,335
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     7.00%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount     $ 331,907
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     0.0850
Capital Required for Capital Adequacy     $ 410,003
Capital Required for Capital Adequacy to Risk Weighted Assets     0.1050
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount     $ 224,566
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent)     0.0400
2015 Period      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount     $ 301,052
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     7.00%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount     $ 365,563
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     0.0850
Capital Required for Capital Adequacy     $ 451,578
Capital Required for Capital Adequacy to Risk Weighted Assets     0.1050
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount     $ 232,011
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent)     0.0400
Bank      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Actual Amount $ 420,963 $ 475,793  
Tier 1 common equity, (to risk-weighted assets), Actual Ratio (as a percent) 10.83% 11.11%  
Tier One Common Equity Required to be Well Capitalized $ 252,613 $ 278,362  
Tier One Common Equity Required to be Well Capitalized to Risk Weighted Assets 6.50% 6.50%  
Tier 1 capital (to risk-weighted assets), Actual Amount $ 420,963 $ 475,793  
Tier 1 capital (to risk-weighted assets), Actual Ratio (as a percent) 0.1083 0.1111  
Tier 1 capital (to risk-weighted assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Amount $ 310,908 $ 342,599  
Tier 1 capital (to risk-weighted assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Ratio (as a percent) 0.0800 0.0800  
Capital $ 469,649 $ 520,610  
Capital to Risk Weighted Assets 0.1208 0.1216  
Capital Required to be Well Capitalized $ 388,635 $ 428,249  
Capital Required to be Well Capitalized to Risk Weighted Assets 0.1000 0.1000  
Tier 1 capital (to average assets), Actual Amount $ 420,963 $ 475,793  
Tier 1 capital (to average assets), Actual Ratio (as a percent) 0.0753 0.0823  
Tier 1 capital (to average assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Amount $ 279,646 $ 289,164  
Tier 1 capital (to average assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Ratio (as a percent) 0.0500 0.0500  
Bank | 2016 Period      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount     $ 272,045
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     7.00%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount     $ 330,340
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     0.0850
Capital Required for Capital Adequacy     $ 408,067
Capital Required for Capital Adequacy to Risk Weighted Assets     0.1050
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount     $ 223,717
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent)     0.0400
Bank | 2015 Period      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount     $ 299,774
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     7.00%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount     $ 364,012
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent)     0.0850
Capital Required for Capital Adequacy     $ 449,662
Capital Required for Capital Adequacy to Risk Weighted Assets     0.1050
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount     $ 231,331
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent)     0.0400