CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2018	$ 442,701	$ 1,824	$ 76,774	$ 456,716	$ (23,454)	$ (69,159)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,682	0	0	9,682	0	0
Other comprehensive income (loss)	10,527	0	0	0	10,527	0
Omnibus Equity Incentive Plan	201	1	200	0	0	0
Payments for Repurchase of Common Stock	(315)		0	0	0
Dividends, Common Stock, Cash	0	0	0	0	0	0
Balance at Mar. 31, 2019	462,796	1,825	76,974	466,398	(12,927)	(69,474)
Balance at Dec. 31, 2019	557,608	2,005	139,694	492,055	(7,501)	(68,645)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,181	0	0	12,181	0	0
Other comprehensive income (loss)	13,502	0	0	0	13,502	0
Omnibus Equity Incentive Plan	204	0	204	0	0	0
Payments for Repurchase of Common Stock	(1,724)		0	0	0
Dividends, Common Stock, Cash	0	0	0	0	0	0
Balance at Mar. 31, 2020	$ 581,771	$ 2,005	$ 139,898	$ 504,236	$ 6,001	$ (70,369)