Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings [Member]	Non-controlling Interest [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2014	$ 173,699	$ 190	$ 99,095	$ 69,015	$ 32	$ 5,367
Beginning Balance, Shares at Dec. 31, 2014		18,983
Net income	17,584			17,584
Dividends declared	(4,554)			(4,554)
Shares issued for option exercises	$ 1,831	$ 1	1,830
Shares issued for option exercises, Shares	160	160
Shares issued	$ 173,052	$ 76	172,976
Shares issued, Shares		7,590
Stock option expense	716		716
Restricted stock expense	1,747	$ 1	1,746
Restricted stock expense, Shares		115
Performance stock unit expense	456		456
Restricted shares withheld from employees for tax obligations	(222)		(222)
Restricted shares withheld from employees for tax obligations, Shares		(9)
Foreign currency translation loss	(17,562)					(17,562)
Change in fair value of interest rate hedge	(3,044)					(3,044)
Ending Balance at Sep. 30, 2015	$ 343,704	$ 268	$ 276,597	$ 82,045	$ 32	$ (15,239)
Ending Balance, Shares at Sep. 30, 2015		26,839