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Regulatory Matters - Capital Ratios of Hanmi Financial and Bank (Detail) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets | 0.0800 |
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets | 0.0600 |
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets | 0.0400 |
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets | 0.1000 |
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets | 0.0800 |
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to average assets | 0.0500 | 0.0500
Hanmi Financial |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Actual Capital, Total capital to risk-weighted assets | $ 901,239 | $ 912,527
Actual Capital, Tier 1 capital to risk-weighted assets | 728,344 | 657,251
Actual Capital, Common equity Tier 1 capital to risk-weighted assets | 707,101 | 636,420
Actual Capital, Tier 1 capital to average assets | $ 728,344 | $ 657,251
Actual Capital Ratio, Total capital to risk-weighted assets | 0.1449 | 0.1661
Actual Capital Ratio, Tier 1 capital to risk-weighted assets | 0.1171 | 0.1197
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets | 0.1137 | 0.1159
Actual Capital Ratio, Tier 1 capital to average assets | 0.1007 | 0.0963
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets | $ 497,508 | $ 439,386
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets | 373,131 | 329,539
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets | 279,848 | 247,155
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets | $ 289,311 | $ 273,133
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets | 0.0800 | 0.0800
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets | 0.0600 | 0.0600
Minimum Regulatory Requirement Ratio for Common equity Tier 1 capital to risk-weighted assets | 4.50% | 4.50%
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets | 0.0400 | 0.0400
Hanmi Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Actual Capital, Total capital to risk-weighted assets | $ 860,503 | $ 809,280
Actual Capital, Tier 1 capital to risk-weighted assets | 797,608 | 748,178
Actual Capital, Common equity Tier 1 capital to risk-weighted assets | 797,608 | 748,178
Actual Capital, Tier 1 capital to average assets | $ 797,608 | $ 748,178
Actual Capital Ratio, Total capital to risk-weighted assets | 0.1386 | 0.1472
Actual Capital Ratio, Tier 1 capital to risk-weighted assets | 0.1285 | 0.1361
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets | 0.1285 | 0.1361
Actual Capital Ratio, Tier 1 capital to average assets | 0.1107 | 0.1096
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets | $ 496,607 | $ 439,858
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets | 372,455 | 329,893
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets | 279,341 | 247,420
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets | $ 288,110 | $ 273,101
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets | 0.0800 | 0.0800
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets | 0.0600 | 0.0600
Minimum Regulatory Requirement Ratio for Common equity Tier 1 capital to risk-weighted assets | 4.50% | 4.50%
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets | 0.0400 | 0.0400
Minimum to Be Categorized as Well Capitalized Capital, Total capital to risk-weighted assets | $ 620,758 | $ 549,822
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to risk-weighted assets | 496,607 | 439,858
Minimum to Be Categorized as Well Capitalized Capital, Common equity Tier 1 capital to risk-weighted average | 403,493 | 357,385
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to average assets | $ 360,137 | $ 341,376
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets | 0.1000 | 0.1000
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets | 0.0800 | 0.0800
Minimum to Be Categorized as Well Capitalized Ratio, Common equity Tier 1 capital to risk-weighted assets | 6.50% | 6.50%

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: 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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