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Regulatory Requirements And Capital Ratios (Schedule Of Capital Amounts And Ratios) (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Parent Company |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
CET1 capital | $ 555,532 | $ 557,641
CET1 ratio | 0.161 | 0.162
CET1 capital, minimum capital required basel III fully phased in | $ 241,772 | $ 241,221
CET1 ratio, minimum capital required basel III fully phased in | 7.00% | 7.00%
CET1 capital, required to be well-capitalized | $ 224,503 | $ 223,991
CET1 ratio, required to be well capitalized | 6.50% | 6.50%
Tier I capital | $ 555,532 | $ 557,641
Tier I capital, ratio | 0.161 | 0.162
Tier 1, capital, minimum capital required basel III fully phased in | $ 293,581 | $ 292,911
Tier 1, ratio, minimum capital required basel III fully phased in | 8.50% | 8.50%
Tier 1, capital, required to be well-capitalized | $ 276,311 | $ 275,681
Tier 1, ratio, required to be well-capitalized | 0.080 | 0.080
Total capital | $ 570,336 | $ 577,292
Total capital, ratio | 0.165 | 0.168
Total capital, minimum capital required basel III fully phased in | $ 362,659 | $ 361,831
Total capital, ratio, minimum capital required basel III fully phased in | 10.50% | 10.50%
Total capital, required to be well-capitalized | $ 345,389 | $ 344,601
Total capital, ratio, required to be well-capitalized | 0.100 | 0.100
Tier 1 Leverage Capital, Average Assets | $ 555,532 | $ 557,641
Tier I Leverage Ratio, Average Assets | 0.094 | 0.102
Tier 1 Leverage Capital, minimum capital required basel III fully phased in | $ 235,403 | $ 218,163
Tier 1 Leverage Ratio, minimum capital required basel III fully phased in | 4.00% | 4.00%
Tier 1 Leverage Capital Required to be Well Capitalized | $ 294,254 | $ 272,704
Tier 1 Leverage Capital, Average Assets, Well Capitalized Ratio | 0.050 | 0.050
City National |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
CET1 capital | $ 492,721 | $ 482,754
CET1 ratio | 0.144 | 0.141
CET1 capital, minimum capital required basel III fully phased in | $ 240,392 | $ 239,569
CET1 ratio, minimum capital required basel III fully phased in | 7.00% | 7.00%
CET1 capital, required to be well-capitalized | $ 223,221 | $ 222,457
CET1 ratio, required to be well capitalized | 6.50% | 6.50%
Tier I capital | $ 492,721 | $ 482,754
Tier I capital, ratio | 0.144 | 0.141
Tier 1, capital, minimum capital required basel III fully phased in | $ 291,905 | $ 290,906
Tier 1, ratio, minimum capital required basel III fully phased in | 8.50% | 8.50%
Tier 1, capital, required to be well-capitalized | $ 274,734 | $ 273,793
Tier 1, ratio, required to be well-capitalized | 0.080 | 0.080
Total capital | $ 507,526 | $ 502,405
Total capital, ratio | 0.148 | 0.147
Total capital, minimum capital required basel III fully phased in | $ 360,588 | $ 359,354
Total capital, ratio, minimum capital required basel III fully phased in | 10.50% | 10.50%
Total capital, required to be well-capitalized | $ 343,418 | $ 342,242
Total capital, ratio, required to be well-capitalized | 0.100 | 0.100
Tier 1 Leverage Capital, Average Assets | $ 492,721 | $ 482,754
Tier I Leverage Ratio, Average Assets | 0.085 | 0.090
Tier 1 Leverage Capital, minimum capital required basel III fully phased in | $ 233,342 | $ 215,277
Tier 1 Leverage Ratio, minimum capital required basel III fully phased in | 4.00% | 4.00%
Tier 1 Leverage Capital Required to be Well Capitalized | $ 291,678 | $ 269,097
Tier 1 Leverage Capital, Average Assets, Well Capitalized Ratio | 0.050 | 0.050

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