City Holding Company (Parent Company Only) Financial Information (Condensed Statements Of Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items]
Equity Securities, FV-NI, Unrealized Loss	$ (2,650)	$ (4,476)	$ (1,581)
Income tax benefit	27,415	28,741	25,263
Net Income Available to Common Shareholders	117,101	114,365	102,071
Total Comprehensive Income (Loss)	111,921	135,314	(43,677)
Parent Company
Condensed Financial Statements, Captions [Line Items]
Dividend Income, Operating	113,000	108,895	90,500
Equity Securities, FV-NI, Unrealized Loss	149	(302)	(52)
Other income	181	98	99
Income	113,330	108,691	90,547
Other expenses	2,399	2,024	2,077
Expenses	2,399	2,024	2,077
Income Before Income Tax Benefit and Equity in Undistributed Net Income (Excess Dividends) of Subsidiaries	110,931	106,667	88,470
Income tax benefit	(567)	(650)	(604)
Income Before Equity in Undistributed Net Income (Excess Dividends) of Subsidiaries	111,498	107,317	89,074
Equity in undistributed net income (excess dividends) of subsidiaries	5,603	7,048	12,997
Net Income Available to Common Shareholders	117,101	114,365	102,071
Total Comprehensive Income (Loss)	$ 111,921	$ 135,316	$ (43,677)