Income Taxes (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Line Items]
Statutory tax rate		12.50065%	12.50%	12.50%
Increase (decrease) in income tax provision		$ (12,537)	$ (42,282)	$ (7,169)
Tax cost associated with Tax Cuts and Jobs Act				3,513
Interest and penalties could change by up to		400
Unrecognized tax benefits		3,806	4,597	3,349
Income tax penalties and interest expense		555	725	304
Income tax penalties and interest accrued		1,612	1,057
Unremitted earnings		3,961
Deferred tax assets, tax credit carryforwards, research		8,429	7,555
Current deferred tax liabilities			633
Income tax charge		(5,356)	(17,893)	24,389
Tax-related prepaid expenses	$ 986				$ 814
Deferred tax assets	$ 13,102	29,427	23,029		10,342
Deferred tax amortized rate	7.00%
Income tax deferred charge					11,156
Tax charge due to remeasurement		0	274	3,513
Deferred Tax Assets, Valuation Allowance		17,038	21,199
Amortization		11,602	6,830
Deferred Income Tax Expense (Benefit)		(5,453)	$ (18,223)	$ 5,729
FSC
Income Taxes [Line Items]
Net operating loss carryforwards		10,365
U.S. Holdings
Income Taxes [Line Items]
Net operating loss carryforwards		65,172
Minimum
Income Taxes [Line Items]
Decrease in unrecognized tax benefits is reasonably possible		2,000
Maximum
Income Taxes [Line Items]
Decrease in unrecognized tax benefits is reasonably possible		3,000
Ireland
Income Taxes [Line Items]
Statutory tax rate			12.50%
Net operating loss carryforwards		95,771
Operating loss carryforwards, valuation allowance		13,320
Gross research tax credit		821
Deferred tax assets		(5,536)
Tax relief amount		8,500
Deferred Tax Assets, Valuation Allowance		(5,536)
France
Income Taxes [Line Items]
Operating loss carryforwards, valuation allowance		(3,259)
Gross research tax credit		7,608	$ 6,922
Income tax charge	$ 14,088
United States
Income Taxes [Line Items]
Net operating loss carryforwards		75,537
Operating loss carryforwards, valuation allowance		309
Amortization		8,190
Deferred Income Tax Expense (Benefit)		$ (8,190)
Intellectual Property
Income Taxes [Line Items]
Deferred tax assets, intangible asset					$ 7,954