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City Holding Company (Parent Company Only) Financial Information (Condensed Statements Of Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Securities, FV-NI, Unrealized Loss |  |  |  |  |  |  |  |  | $ (1,581) | $ 816 | $ (801)
Interest expense | $ 4,543 | $ 2,025 | $ 1,452 | $ 1,635 | $ 1,842 | $ 2,070 | $ 2,585 | $ 3,397 | 9,655 | 9,894 | 23,615
Income tax benefit | 6,824 | 7,421 | 5,767 | 5,251 | 6,237 | 6,250 | 5,640 | 4,987 | 25,263 | 23,114 | 21,717
Net Income Available to Common Shareholders | $ 30,672 | $ 27,374 | $ 22,683 | $ 21,342 | $ 23,386 | $ 22,732 | $ 22,148 | $ 19,814 | 102,071 | 88,080 | 89,595
Total Comprehensive (Loss) Income |  |  |  |  |  |  |  |  | (43,677) | 71,107 | 114,988
Parent Company |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend Income, Operating |  |  |  |  |  |  |  |  | 90,500 | 96,000 | 74,300
Equity Securities, FV-NI, Unrealized Loss |  |  |  |  |  |  |  |  | (52) | 820 | (1,018)
Other income |  |  |  |  |  |  |  |  | 99 | 191 | 183
Income |  |  |  |  |  |  |  |  | 90,547 | 97,011 | 73,465
Interest expense |  |  |  |  |  |  |  |  | 0 | 0 | 100
Other expenses |  |  |  |  |  |  |  |  | 2,077 | 1,610 | 1,810
Expenses |  |  |  |  |  |  |  |  | 2,077 | 1,610 | 1,910
Income Before Income Tax Benefit and Equity in Undistributed Net Income (Excess Dividends) of Subsidiaries |  |  |  |  |  |  |  |  | 88,470 | 95,401 | 71,555
Income tax benefit |  |  |  |  |  |  |  |  | (604) | (264) | (760)
Income Before Equity in Undistributed Net Income (Excess Dividends) of Subsidiaries |  |  |  |  |  |  |  |  | 89,074 | 95,665 | 72,315
Equity in undistributed net income (excess dividends) of subsidiaries |  |  |  |  |  |  |  |  | 12,997 | (7,585) | 17,280
Net Income Available to Common Shareholders |  |  |  |  |  |  |  |  | 102,071 | 88,080 | 89,595
Total Comprehensive (Loss) Income |  |  |  |  |  |  |  |  | $ (43,677) | $ 71,107 | $ 114,988

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