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Regulatory Requirements And Capital Ratios (Tables) | 12 Months Ended
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Dec. 31, 2020
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Schedule Of Capital Amounts And Ratios |
December 31, 2020 | Actual |  | Minimum Required - Basel III |  | Required to be Considered Well Capitalized
Capital Amount |  | Ratio |  | Capital Amount |  | Ratio |  | Capital Amount |  | Ratio
CET 1 Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | $ | 557,641 |  |  | 16.2 | % |  | $ | 241,221 |  |  | 7.0 | % |  | $ | 223,991 |  |  | 6.5 | %
City National Bank | 482,754 |  |  | 14.1 | % |  | 239,569 |  |  | 7.0 | % |  | 222,457 |  |  | 6.5 | %
Tier 1 Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 557,641 |  |  | 16.2 | % |  | 292,911 |  |  | 8.5 | % |  | 275,681 |  |  | 8.0 | %
City National Bank | 482,754 |  |  | 14.1 | % |  | 290,906 |  |  | 8.5 | % |  | 273,793 |  |  | 8.0 | %
Total Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 577,292 |  |  | 16.8 | % |  | 361,831 |  |  | 10.5 | % |  | 344,601 |  |  | 10.0 | %
City National Bank | 502,405 |  |  | 14.7 | % |  | 359,354 |  |  | 10.5 | % |  | 342,242 |  |  | 10.0 | %
Tier 1 Leverage Ratio |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 557,641 |  |  | 10.2 | % |  | 218,163 |  |  | 4.0 | % |  | 272,704 |  |  | 5.0 | %
City National Bank | 482,754 |  |  | 9.0 | % |  | 215,277 |  |  | 4.0 | % |  | 269,097 |  |  | 5.0 | %
December 31, 2019: | Actual |  | Minimum Required - Basel III |  | Required to be Considered Well Capitalized
Capital Amount |  | Ratio |  | Capital Amount |  | Ratio |  | Capital Amount |  | Ratio
CET 1 Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | $ | 532,640 |  |  | 16.0 | % |  | $ | 232,358 |  |  | 7.0 | % |  | $ | 215,761 |  |  | 6.5 | %
City National Bank | 459,006 |  |  | 13.9 | % |  | 230,808 |  |  | 7.0 | % |  | 214,322 |  |  | 6.5 | %
Tier 1 Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 536,640 |  |  | 16.2 | % |  | 282,150 |  |  | 8.5 | % |  | 265,552 |  |  | 8.0 | %
City National Bank | 459,006 |  |  | 13.9 | % |  | 280,267 |  |  | 8.5 | % |  | 263,781 |  |  | 8.0 | %
Total Capital |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 548,291 |  |  | 16.5 | % |  | 348,538 |  |  | 10.5 | % |  | 331,941 |  |  | 10.0 | %
City National Bank | 470,656 |  |  | 14.3 | % |  | 346,213 |  |  | 10.5 | % |  | 329,726 |  |  | 10.0 | %
Tier 1 Leverage Ratio |  |  |  |  |  |  |  |  |  |  |
City Holding Company | 536,640 |  |  | 11.0 | % |  | 195,558 |  |  | 4.0 | % |  | 244,448 |  |  | 5.0 | %
City National Bank | 459,006 |  |  | 9.5 | % |  | 193,074 |  |  | 4.0 | % |  | 241,342 |  |  | 5.0 | %

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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 http://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 http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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