Parent Company Financial Statements (Statement of Income) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income:
Total revenues	[1]	$ 218,592	$ 228,829	$ 226,886
Expenses:
Interest on junior subordinated debentures		739	370	641
Income tax expense		19,489	21,317	19,331
Net income		71,681	76,870	69,829
Parent Company [Member]
Income:
Other Income		0	(102)	0
Total revenues		53,260	45,641	43,156
Expenses:
Interest on junior subordinated debentures		739	370	641
Other expenses		591	622	559
Total expenses		1,330	992	1,200
Income before income taxes		51,930	44,649	41,956
Income tax expense		273	230	248
Income before equity in undistributed earnings (losses) of subsidiaries		52,203	44,879	42,204
Net income		71,681	76,870	69,829
Bank [Member]
Income:
Dividends from subsidiaries		53,240	45,732	43,139
Expenses:
Equity in undistributed earnings (losses) of subsidiaries		19,565	32,045	27,603
Non-bank [Member]
Income:
Dividends from subsidiaries		20	11	17
Expenses:
Equity in undistributed earnings (losses) of subsidiaries		$ (87)	$ (54)	$ 22

[1] As reported in the Consolidated Statements of Income.