Unaudited Consolidated Statement of Changes in Equity - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Unearned Employee Stock Ownership Plan Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Non-controlling Interest [Member]	Total
Beginning Balance at Dec. 31, 2016				$ 139,591	$ 10,305		$ 3,522	$ 153,418
Issuance of common stock	230	92,915	(2,400)					90,745
Net income				4,818			48	4,866
Purchase of treasury stock						(8,037)		(8,037)
Other comprehensive income, net of income taxes					1,765		27	1,792
Ending Balance at Jun. 30, 2017	$ 230	$ 92,915	$ (2,400)	$ 144,409	$ 12,070	$ (8,037)	$ 3,597	$ 242,784