Parent Only Financial Information Parent Only Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Interest and Dividends on Investments	$ 129,651	$ 115,550	$ 111,896
Other Operating Income	2,588	1,774	3,464
Interest expense	11,308	5,195	12,694
Other Operating Expense	11,031	11,524	8,964
Provision for Income Taxes	(14,114)	(14,547)	(11,036)
NET INCOME	48,799	49,857	40,827
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Condensed Financial Statements, Captions [Line Items]
Dividends from Bank Subsidiaries	19,264	15,994	17,199
Interest and Dividends on Investments	49	49	49
Other Operating Income	1,095	664	246
Total Income	20,408	16,707	17,494
Interest expense	685	686	746
Other Operating Expense	1,030	879	878
Total Expense	1,715	1,565	1,624
Income Before Income Tax Benefit and Equity in Undistributed Net Income of Subsidiaries	18,693	15,142	15,870
Provision for Income Taxes	257	312	431
Equity in Undistributed Net Income of Subsidiaries	29,849	34,403	24,526
NET INCOME	$ 48,799	$ 49,857	$ 40,827