Income Taxes - Carryforwards (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Operating loss carryforwards
Operating loss carryforwards	$ 76,563
Net operating loss carryforwards, expiration period	15 years
Hong Kong and Australia
Operating loss carryforwards
Operating loss carryforwards	$ 72,644
U.S.
Operating loss carryforwards
Operating loss carryforwards	3,754
Ireland.
Operating loss carryforwards
Operating loss carryforwards	$ 165