Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
BALANCE (in shares) at Dec. 31, 2014	33,365,845
BALANCE at Dec. 31, 2014	$ 334	$ 169,543	$ 577		$ 170,454
Net income				10,574	10,574
Other comprehensive income (loss)			(191)		(191)
Shares issued – acquisition of Metropolitan (in shares)	4,610,317
Shares issued – acquisition of Metropolitan	$ 46	41,954			42,000
Shares issued – stock option exercises (in shares)	6,200
Shares issued – stock option exercises		37			37
Shares issued – restricted stock unit vesting (in shares)	34,038
Shares issued – restricted stock unit vesting		(185)			(185)
Stock compensation		724			724
Repurchase of common stock (in shares)	(28,678)
Repurchase of common stock		(256)			(256)
BALANCE (in shares) at Dec. 31, 2015	37,987,722
BALANCE at Dec. 31, 2015	$ 380	211,817	386	10,574	223,157
Net income				17,459	17,459
Other comprehensive income (loss)			(1,822)		(1,822)
Shares issued – stock option exercises (in shares)	21,664
Shares issued – stock option exercises		141			141
Shares issued – restricted stock unit vesting (in shares)	62,393
Shares issued – restricted stock unit vesting		(255)			(255)
Stock compensation		1,239			1,239
Repurchase of common stock (in shares)	(453,182)
Repurchase of common stock	$ (4)	(3,668)			(3,672)
Dividends distributed				(2,820)	(2,820)
BALANCE (in shares) at Dec. 31, 2016	37,618,597
BALANCE at Dec. 31, 2016	$ 376	209,274	(1,436)	25,213	233,427
Net income				21,311	21,311
Other comprehensive income (loss)			1,616		$ 1,616
Shares issued – stock option exercises (in shares)	93,218				93,218
Shares issued – stock option exercises	$ 1	642			$ 643
Shares issued – restricted stock unit vesting (in shares)	55,798
Shares issued – restricted stock unit vesting	$ 1	(276)			(275)
Stock compensation		959			959
Dividends distributed				(4,524)	(4,524)
BALANCE (in shares) at Dec. 31, 2017	37,767,613
BALANCE at Dec. 31, 2017	$ 378	$ 210,599	$ 180	$ 42,000	$ 253,157