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Regulatory Capital - Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Total Risk-Based Capital |  |
Total Risk-Based Capital, Actual amount | $ 570,770 | $ 536,352
Total Risk-Based Capital, For Capital Adequacy Purposes, amount | 326,872 | 326,190
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conversion Buffer, amount | $ 429,019 | $ 428,125
Total Risk-Based Capital, Actual ratio | 0.1397 | 0.1315
Total Risk-Based Capital, For Capital Adequacy Purposes, Ratio | 0.0800 | 0.0800
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.1050 | 0.1050
Tier 1 Risk-Based Capital |  |
Banking Regulation, Tier One Risk-Based Capital, Actual | $ 440,947 | $ 409,092
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, amount | 245,154 | 244,643
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 347,301 | $ 346,577
Tier 1 Risk-Based Capital, Actual ratio | 0.1079 | 0.1003
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, Ratio | 0.0600 | 0.0600
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.0850 | 0.0850
Common Equity Tier 1 Capital |  |
Common Equity Tier 1 Capital, Actual amount | $ 374,433 | $ 342,578
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, amount | 183,865 | 183,482
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 286,013 | $ 285,417
Common Equity Tier 1 Capital, Actual ratio | 0.0916 | 0.0840
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, Ratio | 4.50% | 4.50%
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 7.00% | 7.00%
Leverage Ratio |  |
Tier 1 Leverage Ratio, Actual amount | $ 440,947 | $ 409,092
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, amount | 184,383 | 171,368
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 184,383 | $ 171,368
Tier 1 Leverage Ratio, Actual ratio | 0.0957 | 0.0955
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, Ratio | 0.0400 | 0.0400
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.0400 | 0.0400
Bank |  |
Total Risk-Based Capital |  |
Total Risk-Based Capital, Actual amount | $ 554,269 | $ 508,760
Total Risk-Based Capital, For Capital Adequacy Purposes, amount | 326,528 | 326,288
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conversion Buffer, amount | 428,568 | 428,253
Total Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 408,160 | $ 407,860
Total Risk-Based Capital, Actual ratio | 0.1358 | 0.1247
Total Risk-Based Capital, For Capital Adequacy Purposes, Ratio | 0.0800 | 0.0800
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.1050 | 0.1050
Total Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.1000 | 0.1000
Tier 1 Risk-Based Capital |  |
Banking Regulation, Tier One Risk-Based Capital, Actual | $ 503,787 | $ 460,404
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, amount | 244,896 | 244,716
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 346,936 | 346,681
Tier 1 Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 326,528 | $ 326,288
Tier 1 Risk-Based Capital, Actual ratio | 0.1234 | 0.1129
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, Ratio | 0.0600 | 0.0600
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.0850 | 0.0850
Tier 1 Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.0800 | 0.0800
Common Equity Tier 1 Capital |  |
Common Equity Tier 1 Capital, Actual amount | $ 503,787 | $ 460,404
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, amount | 183,672 | 183,537
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 285,712 | 285,502
Common Equity Tier 1 Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 265,304 | $ 265,109
Common Equity Tier 1 Capital, Actual ratio | 0.1234 | 0.1129
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, Ratio | 4.50% | 4.50%
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 7.00% | 7.00%
Common Equity Tier 1 Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 6.50% | 6.50%
Leverage Ratio |  |
Tier 1 Leverage Ratio, Actual amount | $ 503,787 | $ 460,404
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, amount | 184,037 | 171,113
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 184,037 | 171,113
Tier 1 Leverage Ratio, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 230,047 | $ 213,891
Tier 1 Leverage Ratio, Actual ratio | 0.1095 | 0.1076
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, Ratio | 0.0400 | 0.0400
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, Ratio | 0.0400 | 0.0400
Tier 1 Leverage Ratio, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.0500 | 0.0500

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