UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 3,155	$ 761	$ 7,100	$ 2,245
Foreign currency translation gain (loss)	(338)	839	(243)	213
Total comprehensive income	2,817	1,600	6,857	2,458
Less: comprehensive income attributable to noncontrolling interest	1,059	907	3,833	1,693
Comprehensive income attributable to the Corporation	$ 1,758	$ 693	$ 3,024	$ 765