Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Income Taxes
Unrecognized tax benefits	$ 2,600
Unrecognized tax benefits would impact the effective tax rate	2,500
Interest accrued	$ 200
Effective tax rate from operations	70.40%	6.10%
Provision for (benefit from) income taxes	$ 1,560	$ (510)
Effective U.S corporate tax rate	21.00%			35.00%
Provision for transition tax			$ 37,200	$ 40,300
Measurement period adjustment to reduce transition tax			$ (3,100)
Transition tax, unpaid	$ 28,900
Transition Tax over an eight-year period beginning	2018
Retained earnings	$ 584,146				$ 583,489
Undistributed foreign earnings	231,200
Other Long-term Liabilities
Income Taxes
Transition tax, unpaid	28,000
Accounts Payable, Accrued Expenses and Operating Lease Liabilities
Income Taxes
Transition tax, unpaid	900
U.S
Income Taxes
Cash and cash equivalents and short-term investments	$ 245,800				289,400
U.S | Earliest Tax Year
Income Taxes
Tax years subject to examination	2016
Italy | Earliest Tax Year
Income Taxes
Tax years subject to examination	2016
Poland | Earliest Tax Year
Income Taxes
Tax years subject to examination	2015
Spain | Earliest Tax Year
Income Taxes
Tax years subject to examination	2016
United Kingdom | Earliest Tax Year
Income Taxes
Tax years subject to examination	2018
Germany | Earliest Tax Year
Income Taxes
Tax years subject to examination	2016
Foreign
Income Taxes
Cash and cash equivalents and short-term investments	$ 293,400				276,200
Retained earnings					$ 431,200