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Regulatory Capital (Details) $ in Thousands | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets), actual, amount | $ 793,567 | $ 786,436
Total capital (to risk-weighted assets), actual, ratio | 0.1382 | 0.1411
Total capital (to risk-weighted assets), for capital adequacy purposes, amount | $ 459,485 | $ 446,000
Total capital (to risk-weighted assets), For capital adequacy purposes, ratio | 0.0800 | 0.0800
Total capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount | $ 603,074 | $ 585,374
Total capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio | 10.50% | 10.50%
Tier 1 capital (to average assets), actual, amount | $ 742,430 | $ 735,792
Tier 1 capital (to average assets), actual, ratio | 0.1293 | 0.1320
Tier 1 capital (to average assets), for capital adequacy purposes, amount | $ 344,614 | $ 334,500
Tier 1 capital (to average assets), for capital adequacy purpose, ratio | 0.0600 | 0.0600
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount | $ 488,203 | $ 473,874
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio | 8.50% | 8.50%
Common equity tier 1 capital, actual amount | $ 625,700 | $ 619,153
Common equity tier 1 capital, actual ratio | 0.1089 | 0.1111
Common equity tier 1 capital, for capital adequacy purposes, amount | $ 258,460 | $ 250,875
Common equity tier 1 capital, for capital adequacy purpose, ratio | 4.50% | 4.50%
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount | $ 402,049 | $ 390,250
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio | 7.00% | 7.00%
Tier 1 capital (to average assets), actual, amount | $ 742,430 | $ 735,792
Tier 1 capital (to average assets), actual, ratio | 0.0968 | 0.0936
Tier 1 capital (to average assets), for capital adequacy purposes, amount | $ 306,716 | $ 314,306
Tier 1 capital (to average assets), for capital adequacy purpose, ratio | 0.0400 | 0.0400
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount | $ 306,716 | $ 314,306
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio | 4.00% | 4.00%
Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets), actual, amount | $ 721,018 | $ 714,402
Total capital (to risk-weighted assets), actual, ratio | 0.1259 | 0.1287
Total capital (to risk-weighted assets), for capital adequacy purposes, amount | $ 458,163 | $ 444,147
Total capital (to risk-weighted assets), For capital adequacy purposes, ratio | 0.0800 | 0.0800
Total capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount | $ 601,338 | $ 582,943
Total capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio | 10.50% | 10.50%
Total capital (to risk-weighted assets), for well capitalized purpose, amount | $ 572,703 | $ 555,184
Total capital (to risk-weighted assets), for well capitalized purpose, ratio | 0.1000 | 0.1000
Tier 1 capital (to average assets), actual, amount | $ 669,881 | $ 663,758
Tier 1 capital (to average assets), actual, ratio | 0.1170 | 0.1196
Tier 1 capital (to average assets), for capital adequacy purposes, amount | $ 343,622 | $ 333,111
Tier 1 capital (to average assets), for capital adequacy purpose, ratio | 0.0600 | 0.0600
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount | $ 486,798 | $ 471,907
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio | 8.50% | 8.50%
Tier 1 capital (to average assets), for well capitalized purpose, amount | $ 458,163 | $ 444,147
Tier 1 capital (to average assets), for well capitalized purposes, ratio | 0.0800 | 0.0800
Common equity tier 1 capital, actual amount | $ 669,881 | $ 663,758
Common equity tier 1 capital, actual ratio | 0.1170 | 0.1196
Common equity tier 1 capital, for capital adequacy purposes, amount | $ 257,716 | $ 249,833
Common equity tier 1 capital, for capital adequacy purpose, ratio | 4.50% | 4.50%
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, amount | $ 400,892 | $ 388,629
Common equity tier 1 capital (to risk-weighted assets), required for capital adequacy purposes with capital buffer, ratio | 7.00% | 7.00%
Common equity tier 1 capital, for well capitalized purpose, amount | $ 372,257 | $ 360,870
Common equity tier 1 capital, for well capitalized purposes, ratio | 6.50% | 6.50%
Tier 1 capital (to average assets), actual, amount | $ 669,881 | $ 663,758
Tier 1 capital (to average assets), actual, ratio | 0.0863 | 0.0841
Tier 1 capital (to average assets), for capital adequacy purposes, amount | $ 310,592 | $ 315,550
Tier 1 capital (to average assets), for capital adequacy purpose, ratio | 0.0400 | 0.0400
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, amount | $ 310,592 | $ 315,550
Tier 1 capital (to average assets), required for capital1 adequacy purposes with capital buffer, ratio | 4.00% | 4.00%
Tier 1 capital (to average assets), for well capitalized purpose, amount | $ 388,240 | $ 394,438
Tier 1 capital (to average assets), for well capitalized purposes, ratio | 0.0500 | 0.0500

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