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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2022
Banking and Thrift, Interest [Abstract] |
Summary of Regulatory Capital Amounts and Ratios | The following is a summary of the Company’s and Bank’s regulatory capital amounts and ratios as of December 31, 2022 and 2021 compared to the regulatory minimum capital adequacy requirements and the regulatory requirements for classification as a well-capitalized institution then in effect (dollars in thousands):
| Actual |  | For capital adequacy purposes |  | To be well-capitalized under Prompt Corrective Action
As of December 31, 2022 | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
Company: |  |  |  |  |  |  |  |  |  |  |
Tier 1 capital (to average assets) | $ | 1,150,690 |  |  | 9.43 | % |  | $ | 488,297 |  |  | 4.00 | % |  | N/A |  | N/A
Common equity Tier 1 (to risk-weighted assets) | 1,021,774 |  |  | 9.93 |  |  | 720,641 |  |  | 7.00 |  | (1) | N/A |  | N/A
Tier 1 capital (to risk-weighted assets) | 1,150,690 |  |  | 11.18 |  |  | 875,064 |  |  | 8.50 |  | (1) | N/A |  | N/A
Total capital (to risk-weighted assets) | 1,336,652 |  |  | 12.98 |  |  | 1,080,961 |  |  | 10.50 |  | (1) | N/A |  | N/A
Bank: |  |  |  |  |  |  |  |  |  |  |
Tier 1 capital (to average assets) | $ | 1,122,946 |  |  | 9.20 | % |  | $ | 488,033 |  |  | 4.00 | % |  | $ | 610,041 |  |  | 5.00 | %
Common equity Tier 1 (to risk-weighted assets) | 1,122,946 |  |  | 11.02 |  |  | 713,194 |  |  | 7.00 |  | (1) | 662,251 |  |  | 6.50 |
Tier 1 capital (to risk-weighted assets) | 1,122,946 |  |  | 11.02 |  |  | 866,021 |  |  | 8.50 |  | (1) | 815,078 |  |  | 8.00 |
Total capital (to risk-weighted assets) | 1,183,705 |  |  | 11.62 |  |  | 1,069,791 |  |  | 10.50 |  | (1) | 1,018,848 |  |  | 10.00 |
As of December 31, 2021 |  |  |  |  |  |  |  |  |  |  |
Company: |  |  |  |  |  |  |  |  |  |  |
Tier 1 capital (to average assets) | $ | 1,044,518 |  |  | 9.22 | % |  | $ | 453,087 |  |  | 4.00 | % |  | N/A |  | N/A
Common equity Tier 1 (to risk-weighted assets) | 917,088 |  |  | 10.26 |  |  | 625,801 |  |  | 7.00 |  | (1) | N/A |  | N/A
Tier 1 capital (to risk-weighted assets) | 1,044,518 |  |  | 11.68 |  |  | 759,902 |  |  | 8.50 |  | (1) | N/A |  | N/A
Total capital (to risk-weighted assets) | 1,257,372 |  |  | 14.06 |  |  | 938,702 |  |  | 10.50 |  | (1) | N/A |  | N/A
Bank: |  |  |  |  |  |  |  |  |  |  |
Tier 1 capital (to average assets) | $ | 1,027,660 |  |  | 9.08 | % |  | $ | 452,669 |  |  | 4.00 | % |  | $ | 565,836 |  |  | 5.00 | %
Common equity Tier 1 (to risk-weighted assets) | 1,027,660 |  |  | 11.62 |  |  | 619,178 |  |  | 7.00 |  | (1) | 574,951 |  |  | 6.50 |
Tier 1 capital (to risk-weighted assets) | 1,027,660 |  |  | 11.62 |  |  | 751,860 |  |  | 8.50 |  | (1) | 707,633 |  |  | 8.00 |
Total capital (to risk-weighted assets) | 1,079,766 |  |  | 12.21 |  |  | 928,768 |  |  | 10.50 |  | (1) | 884,541 |  |  | 10.00 |
(1) Includes the Capital Conservation Buffer of 2.50%.

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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