Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued expenses	$ 41,724	$ 50,097
Payable to statutory authorities	9,360	9,247
Accrued capital expenditure	9,043	3,035
Derivative instruments	4,749	1,783
Client liabilities	5,070	6,378
Interest payable	1,416	1,492
Other current liabilities	3,157	1,732
Finance lease liabilities	253	253
Accrued expenses and other current liabilities	$ 74,772	$ 74,017
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent	us-gaap:AccruedLiabilitiesCurrent