CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock, Par	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Gain (Loss)	Retained Earnings
Common Stock, Dividends, Per Share, Declared	$ 0.68
BALANCE at Dec. 31, 2017	$ 156,396	$ 100	$ 179,241	$ (49,788)	$ (1,764)	$ 28,607
BALANCE, shares at Dec. 31, 2017		8,899,587
Net income	7,978
Other comprehensive gain	(1,199)				(1,199)
Issuance of restricted stock, net of forfeitures	0	$ 2	(2)
Issuance of restricted stock, net of forfeitures, shares		214,389
Dividends declared ($0.72 per share)	(6,094)					(6,094)
Stock based compensation expense	4,187		4,187
Reclassification of compensation liability to be paid in shares	165		165
Purchases of treasury stock	(726)			(726)
Purchases of treasury stock, shares		(13,031)
Restricted stock returned for payment of taxes	(4,687)			(4,687)
Restricted stock returned for payment of taxes, shares		(83,671)
BALANCE at Mar. 31, 2018	$ 156,020	$ 102	183,591	(55,201)	(2,963)	30,491
BALANCE, shares at Mar. 31, 2018		9,017,274.000
Common Stock, Dividends, Per Share, Declared	$ 0.72
BALANCE at Dec. 31, 2018	$ 161,149	$ 102	194,116	(58,711)	(4,883)	30,525
BALANCE, shares at Dec. 31, 2018	8,904,902	8,904,902
Net income	$ 392
Other comprehensive gain	831				831
Issuance of restricted stock, net of forfeitures	0	$ 2	(2)
Issuance of restricted stock, net of forfeitures, shares		158,046
Dividends declared ($0.72 per share)	(6,380)					(6,380)
Stock based compensation expense	3,252		3,252
Reclassification of compensation liability to be paid in shares	232		232
Purchases of treasury stock	(981)			(981)
Purchases of treasury stock, shares		(25,047)
Restricted stock returned for payment of taxes	(2,385)			(2,385)
Restricted stock returned for payment of taxes, shares		(62,036)
BALANCE at Mar. 31, 2019	$ 156,110	$ 104	$ 197,598	$ (62,077)	$ (4,052)	$ 24,537
BALANCE, shares at Mar. 31, 2019	8,975,865	8,975,865