Unaudited Consolidated Statement of Changes in Equity - 6 months ended Jun. 30, 2018 - 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, Net of Income Taxes [Member]	Treasury Stock	Non-controlling Interest [Member]	Total
Balance at Dec. 31, 2017	$ 230	$ 93,496	$ (2,157)	$ 152,865	$ 15,998	$ (8,037)	$ 3,178	$ 255,573
Net income				6,348			60	6,408
Other comprehensive income (loss), net of income taxes					(3,066)		(84)	(3,150)
Share-based compensation		$ 735						$ 735
Issuance of vested award shares		(399)				399
Balance at Jun. 30, 2018	$ 230	$ 93,832	$ (2,157)	$ 159,213	$ 12,932	$ (7,638)	$ 3,154	$ 259,566