Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 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	12,955			12,955
Dividends declared	(2,676)			(2,676)
Shares issued for option exercises	$ 1,831	$ 1	1,830
Shares issued for option exercises, Shares	160	160
Stock option expense	$ 510		510
Restricted stock expense	1,079	$ 1	1,078
Restricted stock expense, Shares		115
Performance Stock Unit expense	182		182
Restricted shares withheld from employees for tax obligations	(222)		(222)
Restricted shares withheld from employees for tax obligations, Shares		(9)
Foreign currency translation loss	(12,231)					(12,231)
Change in fair value of interest rate hedge	(1,625)					(1,625)
Ending Balance at Jun. 30, 2015	$ 173,502	$ 192	$ 102,473	$ 79,294	$ 32	$ (8,489)
Ending Balance, Shares at Jun. 30, 2015		19,249