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City Holding Company (Parent Company Only) Financial Information (Condensed Balance Sheets) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Issuance of common stock | $ 6,864 |  |  |
Stock Issued During Period, Shares, New Issues | 107,662 |  |  |
Assets |  |  |  |
Securities available-for-sale | $ 450,083 | $ 369,466 |  |
Fixed assets | 75,165 | 77,271 |  |
Other assets | 38,681 | 36,957 |  |
Total Assets | 3,984,403 | 3,714,059 |  |
Liabilities |  |  |  |
Other liabilities | 45,512 | 39,448 |  |
Total Liabilities | 3,541,965 | 3,294,787 |  |
Total Shareholders’ Equity | 442,438 | 419,272 | $ 390,853 | $ 387,623
Total Liabilities and Shareholders’ Equity | $ 3,984,403 | 3,714,059 |  |
Shares Issued, Price Per Share | $ 66.21 |  |  |
Parent Company |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Issuance of common stock | $ 6,864 | 0 | $ 0 |
Assets |  |  |  |
Cash | 26,520 | 46,672 |  |
Securities available-for-sale | 4,231 | 3,273 |  |
Investment in subsidiaries | 430,769 | 388,201 |  |
Deferred tax assets, net | 1,459 | 1,569 |  |
Fixed assets | 7 | 8 |  |
Other assets | 2,584 | 3,290 |  |
Total Assets | 465,570 | 443,013 |  |
Liabilities |  |  |  |
Junior subordinated debentures | 16,495 | 16,495 |  |
Dividends payable | 6,459 | 6,376 |  |
Accrued interest payable | 36 | 30 |  |
Other liabilities | 142 | 840 |  |
Total Liabilities | 23,132 | 23,741 |  |
Total Shareholders’ Equity | 442,438 | 419,272 |  |
Total Liabilities and Shareholders’ Equity | 465,570 | $ 443,013 |  |
Maximum |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Issuance of common stock | $ 55,000 |  |  |

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