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Regulatory Capital - Capital Amounts and Ratios (Details) $ in Thousands | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Total Risk-Based Capital |  |
Total Risk-Based Capital, Actual amount | $ 579,988 | $ 570,770
Total Risk-Based Capital, For Capital Adequacy Purposes, amount | 327,576 | 326,872
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conversion Buffer, amount | $ 429,943 | $ 429,019
Total Risk-Based Capital, Actual ratio | 0.1416 | 0.1397
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 1 Risk-Based Capital, Actual | $ 451,764 | $ 440,947
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, amount | 245,682 | 245,154
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 348,049 | $ 347,301
Tier 1 Risk-Based Capital, Actual ratio | 0.1103 | 0.1079
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 | $ 385,250 | $ 374,433
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, amount | 184,261 | 183,865
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 286,629 | $ 286,013
Common Equity Tier 1 Capital, Actual ratio | 0.0941 | 0.0916
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 | $ 451,764 | $ 440,947
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, amount | 187,110 | 184,383
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | $ 187,110 | $ 184,383
Tier 1 Leverage Ratio, Actual ratio | 0.0966 | 0.0957
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 | $ 572,981 | $ 554,269
Total Risk-Based Capital, For Capital Adequacy Purposes, amount | 327,129 | 326,528
Total Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conversion Buffer, amount | 429,357 | 428,568
Total Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 408,912 | $ 408,160
Total Risk-Based Capital, Actual ratio | 0.1401 | 0.1358
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 1 Risk-Based Capital, Actual | $ 524,306 | $ 503,787
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes, amount | 245,347 | 244,896
Tier 1 Risk-Based Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 347,575 | 346,936
Tier 1 Risk-Based Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 327,129 | $ 326,528
Tier 1 Risk-Based Capital, Actual ratio | 0.1282 | 0.1234
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 | $ 524,306 | $ 503,787
Common Equity Tier 1 Capital, For Capital Adequacy Purposes, amount | 184,010 | 183,672
Common Equity Tier 1 Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 286,238 | 285,712
Common Equity Tier 1 Capital, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 265,793 | $ 265,304
Common Equity Tier 1 Capital, Actual ratio | 0.1282 | 0.1234
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 | $ 524,306 | $ 503,787
Tier 1 Leverage Ratio, For Capital Adequacy Purposes, amount | 186,895 | 184,037
Tier 1 Leverage Ratio, For Capital Adequacy Purposes Plus Capital Conservation Buffer, amount | 186,895 | 184,037
Tier 1 Leverage Ratio, To be Well Capitalized Under Prompt Corrective Action Regulations, amount | $ 233,619 | $ 230,047
Tier 1 Leverage Ratio, Actual ratio | 0.1122 | 0.1095
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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