Geographic Information - Revenue by Geographic Locations (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) reportable_segment	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment			1
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 246,322	$ 111,312	$ 536,375	$ 249,188
Long-lived assets	1,212,472		1,212,472		$ 1,207,955
India
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	188,612	52,635	420,153	126,550
Long-lived assets	706,516		706,516		698,936
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	37,722	41,714	75,788	83,626
Long-lived assets	378,486		378,486		381,782
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	8,688	7,399	18,372	15,585
Long-lived assets	3,152		3,152		3,581
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	3,095	3,577	6,193	7,814
Long-lived assets	14,219		14,219		13,723
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	4,064	3,249	8,168	6,530
Long-lived assets	24,450		24,450		22,900
Indonesia
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	459	179	864	2,321
Long-lived assets	117		117		139
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	1,125	795	2,194	2,048
Long-lived assets	19,241		19,241		19,336
Philippines
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	383	253	827	1,529
Long-lived assets	667		667		661
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	1,595	1,119	2,745	2,233
Long-lived assets	6,026		6,026		6,930
New Zealand
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	551	382	1,043	818
Long-lived assets	436		436		513
United Arab Emirates
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	28	10	28	134
Long-lived assets	54,499		54,499		54,789
Mauritius
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues			0	0
Long-lived assets	4,663		4,663		$ 4,665
Indian Led
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 189,900	$ 53,200	$ 422,500	$ 131,100