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Regulatory Requirements And Capital Ratios (Schedule Of Capital Amounts And Ratios) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Parent Company |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
CET1 capital | $ 492,526 | $ 430,154
CET1 ratio | 15.10% | 15.10%
CET1 capital, minimum capital required basel III phase in schedule | $ 208,294 | $ 163,441
CET1 ratio, minimum capital required basel III phase in schedule | 6.375% | 5.75%
CET1 capital, minimum capital required basel III fully phased in | $ 228,715 | $ 198,972
CET1 ratio, minimum capital required basel III fully phased in | 7.00% | 7.00%
CET1 capital, required to be well-capitalized | $ 212,378 | $ 184,760
CET1 ratio, required to be well capitalized | 6.50% | 6.50%
Tier I capital | $ 496,526 | $ 446,154
Tier I capital, ratio | 15.20% | 15.70%
Tier 1, capital, minimum capital required basel III phase in schedule | $ 257,304 | $ 206,078
Tier 1, ratio, minimum capital required basel III phase in schedule | 7.88% | 7.25%
Tier 1, capital, minimum capital required basel III fully phased in | $ 277,725 | $ 241,609
Tier 1, ratio, minimum capital required basel III fully phased in | 8.50% | 8.50%
Tier 1, capital, required to be well-capitalized | $ 261,389 | $ 227,397
Tier 1, ratio, required to be well-capitalized | 8.00% | 8.00%
Total capital | $ 512,801 | $ 465,292
Total capital, ratio | 15.70% | 16.40%
Total capital, minimum capital required basel III phase in schedule | $ 322,651 | $ 262,927
Total capital, ratio, minimum capital required basel iIII phase in schedule | 9.88% | 9.25%
Total capital, minimum capital required basel III fully phased in | $ 343,072 | $ 298,458
Total capital, ratio, minimum capital required basel III fully phased in | 10.50% | 10.50%
Total capital, required to be well-capitalized | $ 326,736 | $ 284,246
Total capital, ratio, required to be well-capitalized | 10.00% | 10.00%
Tier 1 Leverage Capital, Average Assets | $ 496,526 | $ 446,154
Tier I Leverage Ratio, Average Assets | 11.40% | 11.00%
Tier 1 Leverage Capital, minimum capital required basel III phase in schedule | $ 174,833 | $ 161,834
Tier 1 Leverage Ratio, minimum capital required basel III phase in schedule | 4.00% | 4.00%
Tier 1 Leverage Capital, minimum capital required basel III fully phased in | $ 174,833 | $ 161,834
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 | $ 218,542 | $ 202,293
Tier 1 Leverage Capital, Average Assets, Well Capitalized Ratio | 5.00% | 5.00%
City National |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
CET1 capital | $ 423,099 | $ 338,105
CET1 ratio | 13.10% | 12.00%
CET1 capital, minimum capital required basel III phase in schedule | $ 206,676 | $ 162,164
CET1 ratio, minimum capital required basel III phase in schedule | 6.375% | 5.75%
CET1 capital, minimum capital required basel III fully phased in | $ 226,938 | $ 197,418
CET1 ratio, minimum capital required basel III fully phased in | 7.00% | 7.00%
CET1 capital, required to be well-capitalized | $ 210,728 | $ 183,316
CET1 ratio, required to be well capitalized | 6.50% | 6.50%
Tier I capital | $ 423,099 | $ 338,105
Tier I capital, ratio | 13.10% | 12.00%
Tier 1, capital, minimum capital required basel III phase in schedule | $ 255,306 | $ 204,468
Tier 1, ratio, minimum capital required basel III phase in schedule | 7.88% | 7.25%
Tier 1, capital, minimum capital required basel III fully phased in | $ 275,568 | $ 239,721
Tier 1, ratio, minimum capital required basel III fully phased in | 8.50% | 8.50%
Tier 1, capital, required to be well-capitalized | $ 259,358 | $ 225,620
Tier 1, ratio, required to be well-capitalized | 8.00% | 8.00%
Total capital | $ 439,374 | $ 357,243
Total capital, ratio | 13.60% | 12.70%
Total capital, minimum capital required basel III phase in schedule | $ 320,145 | $ 260,873
Total capital, ratio, minimum capital required basel iIII phase in schedule | 9.88% | 9.25%
Total capital, minimum capital required basel III fully phased in | $ 340,408 | $ 296,126
Total capital, ratio, minimum capital required basel III fully phased in | 10.50% | 10.50%
Total capital, required to be well-capitalized | $ 324,198 | $ 282,025
Total capital, ratio, required to be well-capitalized | 10.00% | 10.00%
Tier 1 Leverage Capital, Average Assets | $ 423,099 | $ 338,105
Tier I Leverage Ratio, Average Assets | 9.80% | 8.50%
Tier 1 Leverage Capital, minimum capital required basel III phase in schedule | $ 172,594 | $ 159,625
Tier 1 Leverage Ratio, minimum capital required basel III phase in schedule | 4.00% | 4.00%
Tier 1 Leverage Capital, minimum capital required basel III fully phased in | $ 172,594 | $ 159,625
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 | $ 215,742 | $ 199,531
Tier 1 Leverage Capital, Average Assets, Well Capitalized Ratio | 5.00% | 5.00%

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