Parent Company Statements (Condensed Statement of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Income	$ 26,209	$ 17,701	$ 10,596
Other, net	(1,971)	(8,193)	(1,779)
Net Cash Provided By Operating Activities	14,069	7,831	10,983
Purchases of premises and equipment	(3,685)	(3,885)	(8,958)
Net Cash (Used In) Provided By Investing Activities	(588,912)	(26,985)	21,847
Dividends paid	(6,504)	(6,688)	(4,513)
Treasury stock purchased	(1,795)
Net Cash Provided By (Used In) Financing Activities	739,537	118,119	(16,279)
Net increase in cash and cash equivalents	164,694	98,965	16,551
Cash and cash equivalents, beginning of year	139,030	40,065	23,514
Cash and cash equivalents, end of year	303,724	139,030	40,065
Employee [Member]
Stock Purchase Plan share issuance	155	134	119
Director [Member]
Stock Purchase Plan share issuance	156	135	124
Series D Preferred Stock [Member]
Preferred stock dividends paid			(102)
Preferred stock redemption			(3,404)
Parent Company [Member]
Net Income	26,209	17,701	10,596
Equity in undistributed (earnings) loss of subsidiaries	(21,616)	(12,486)	(4,207)
Other, net	582	139	1,071
Net Cash Provided By Operating Activities	5,175	5,354	7,460
Net cash paid for acquisition			(2,798)
Investment in subsidiary	(10,500)
Purchases of premises and equipment		(81)
Net Cash (Used In) Provided By Investing Activities	(10,500)	(81)	(2,798)
Dividends paid	(6,504)	(6,688)	(4,513)
Treasury stock purchased	(1,795)
Subordinated debt issuance	27,150
Net Cash Provided By (Used In) Financing Activities	19,146	(6,419)	(7,776)
Net increase in cash and cash equivalents	13,821	(1,146)	(3,114)
Cash and cash equivalents, beginning of year	426	1,572	4,686
Cash and cash equivalents, end of year	14,247	426	1,572
Parent Company [Member] | Employee [Member]
Stock Purchase Plan share issuance	147	134	119
Parent Company [Member] | Director [Member]
Stock Purchase Plan share issuance	$ 148	$ 135	124
Parent Company [Member] | Series D Preferred Stock [Member]
Preferred stock dividends paid			(102)
Preferred stock redemption			$ (3,404)