City Holding Company (Parent Company Only) Financial Information (Condensed Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Debt Securities, Available-for-sale	$ 1,408,165	$ 1,176,797
Net Loans	3,525,648	3,597,570
Fixed assets	74,071	76,925
Other assets	81,860	96,697
Total Assets	6,003,695	5,758,640
Liabilities
Deferred Tax Liabilities, Net		3,202
Other liabilities	84,796	106,160
Total Liabilities	5,322,590	5,057,534
Total Shareholders’ Equity	681,105	701,106	$ 657,983	$ 600,764
Total Liabilities and Shareholders’ Equity	6,003,695	$ 5,758,640
Repayment Price Junior Subordinated Deferrable Interest Debentures		100.00%
Parent Company
Assets
Cash	26,884	$ 22,335
Debt Securities, Available-for-sale	2,644	5,267
Investment in subsidiaries	659,945	681,744
Net Loans	479	624
Fixed assets	9	15
Other assets	849	932
Total Assets	690,810	710,917
Liabilities
Dividends payable	9,249	9,145
Deferred Tax Liabilities, Net	104	298
Other liabilities	352	368
Total Liabilities	9,705	9,811
Total Shareholders’ Equity	681,105	701,106
Total Liabilities and Shareholders’ Equity	$ 690,810	$ 710,917