Shareholders' Equity - Component of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2015	$ (267,472)
Other comprehensive income	45,188	$ (156,497)
Balance at March 31, 2016	(222,284)
Foreign Currency Translation Adjustments [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2015	(267,472)
Other comprehensive income	45,188
Balance at March 31, 2016	(222,284)
Parent [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2015	(267,472)
Other comprehensive income	45,188
Balance at March 31, 2016	$ (222,284)