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Supplemental Cash Flow Disclosure (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Conversion [Line Items]
Interest paid	$ 3,026	$ 3,011	$ 3,170
Income taxes paid	191	113	351
Income tax refunds	33	105	96
Additional paid-in capital [Member]
Debt Conversion [Line Items]
Redemption of non-controlling interest, net	90	215	2,764
Accumulated Other Comprehensive Income (Loss) [Member]
Debt Conversion [Line Items]
Redemption of non-controlling interest, net	(6)	(10)	(127)
Non-Controlling Interest [Member]
Debt Conversion [Line Items]
Redemption of non-controlling interest, net	$ (84)	$ (205)	$ (2,637)
Treasury Stock [Member]
Debt Conversion [Line Items]
Redemption of non-controlling interest, net
Star Asia Manager [Member]
Debt Conversion [Line Items]
Reclassification of equity method investee			$ 705

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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