Accumulated Other Comprehensive Loss (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	$ 321
Net other comprehensive income (loss) at June 30, 2015	37
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	128
Other comprehensive income (loss) before reclassifications	(92)
Amount reclassified from AOCI	0
Transactions with non-controlling interests	0
Net other comprehensive income (loss) at June 30, 2015	36
Unrealized Gain (Loss) on Available-for- Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	193
Other comprehensive income (loss) before reclassifications	7
Amount reclassified from AOCI	(199)
Transactions with non-controlling interests	0
Net other comprehensive income (loss) at June 30, 2015	1
Total Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	321
Other comprehensive income (loss) before reclassifications	(85)
Amount reclassified from AOCI	(199)
Transactions with non-controlling interests	0
Net other comprehensive income (loss) at June 30, 2015	$ 37