CONSOLIDATED STATEMENTS OF CHANGES IN SHAREOWNERS' EQUITY (Unaudited) - USD ($) $ in Thousands		Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income, Net of Taxes [Member]
Balance at Dec. 31, 2019		$ 327,016	$ 168	$ 32,092	$ 322,937	$ (28,181)
Balance (Adoption of ASC 326 [Member]) at Dec. 31, 2019		(3,095)	$ 0	0	(3,095)	0
Balance (in shares) at Dec. 31, 2019			16,771,544
Net Income		13,433	$ 0	0	13,433	0
Other Comprehensive Income, net of tax		2,925	0	0	0	2,925
Cash Dividends ($0.1500 and $0.1400) per share for quarters June 2021 and 2020 respectively ($0.3000 and $0.2800) YTD June 2021 and 2020 respectively		(4,705)	0	0	(4,705)	0
Repurchase of Common Stock		(1,571)	$ (1)	(1,570)	0	0
Repurchase of Common Stock (in shares)			(76,952)
Stock Based Compensation		368	$ 0	368	0	0
Stock Compensation Plan Transactions, net		686	$ 1	685	0	0
Stock Compensation Plan Transactions, net (in shares)			85,684
Balance at Jun. 30, 2020		335,057	$ 168	31,575	328,570	(25,256)
Balance, Shares at Jun. 30, 2020			16,780,276
Balance at Mar. 31, 2020		328,507	$ 168	32,100	321,772	(25,533)
Balance (in shares) at Mar. 31, 2020			16,811,781
Net Income		9,146	$ 0	0	9,146	0
Other Comprehensive Income, net of tax		277	0	0	0	277
Cash Dividends ($0.1500 and $0.1400) per share for quarters June 2021 and 2020 respectively ($0.3000 and $0.2800) YTD June 2021 and 2020 respectively		(2,348)	0	0	(2,348)	0
Repurchase of Common Stock		(863)	$ 0	(863)	0	0
Repurchase of Common Stock (in shares)			(43,878)
Stock Based Compensation		77	$ 0	77	0	0
Stock Compensation Plan Transactions, net		261	$ 0	261	0	0
Stock Compensation Plan Transactions, net (in shares)			12,373
Balance at Jun. 30, 2020		335,057	$ 168	31,575	328,570	(25,256)
Balance, Shares at Jun. 30, 2020			16,780,276
Balance at Dec. 31, 2020		$ 320,837	$ 168	32,283	332,528	(44,142)
Balance (in shares) at Dec. 31, 2020		16,790,573
Net Income		$ 16,933	0	0	16,933	0
Reclassification to Temporary Equity	[1]	1,171	0	0	1,171	0
Other Comprehensive Income, net of tax		719	0	0	0	719
Cash Dividends ($0.1500 and $0.1400) per share for quarters June 2021 and 2020 respectively ($0.3000 and $0.2800) YTD June 2021 and 2020 respectively		(5,058)	0	0	(5,058)	0
Stock Based Compensation		438	0	438	0	0
Stock Compensation Plan Transactions, net		840	$ 1	839	0	0
Stock Compensation Plan Transactions, net (in shares)			83,706
Balance at Jun. 30, 2021		$ 335,880	$ 169	33,560	345,574	(43,423)
Balance, Shares at Jun. 30, 2021		16,874,279	16,874,279
Balance at Mar. 31, 2021		$ 324,426	$ 169	32,804	335,324	(43,871)
Balance (in shares) at Mar. 31, 2021			16,851,878
Net Income		7,427	$ 0	0	7,427	0
Reclassification to Temporary Equity	[1]	5,353	0	0	5,353	0
Other Comprehensive Income, net of tax		448	0	0	0	448
Cash Dividends ($0.1500 and $0.1400) per share for quarters June 2021 and 2020 respectively ($0.3000 and $0.2800) YTD June 2021 and 2020 respectively		(2,530)	0	0	(2,530)	0
Repurchase of Common Stock		0	$ 0	0	0	0
Repurchase of Common Stock (in shares)			0
Stock Based Compensation		219	$ 0	219	0	0
Stock Compensation Plan Transactions, net		537	$ 0	537	0	0
Stock Compensation Plan Transactions, net (in shares)			22,401
Balance at Jun. 30, 2021		$ 335,880	$ 169	$ 33,560	$ 345,574	$ (43,423)
Balance, Shares at Jun. 30, 2021		16,874,279	16,874,279

[1] Adjustment to redemption value for   non-controlling interest   in Capital City Home Loans.