Geographic Information - Revenue by Geographic Locations (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) reportable_segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment	1
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 286,253	$ 290,053
Long-lived assets	1,220,450		$ 1,194,291
India
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	225,889	231,541
Long-lived assets	713,579		693,709
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	38,853	38,066
Long-lived assets	383,119		377,305
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	9,042	9,684
Long-lived assets	1,925		2,928
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	4,205	4,104
Long-lived assets	23,165		23,304
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	3,926	3,098
Long-lived assets	14,089		12,696
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	1,173	1,150
Long-lived assets	6,536		5,886
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	938	1,069
Long-lived assets	17,658		17,260
New Zealand
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	453	492
Long-lived assets	307		367
United Arab Emirates
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	341	0
Long-lived assets	54,037		54,254
Philippines
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	684	444
Long-lived assets	843		1,824
Indonesia
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	749	405
Long-lived assets	25		95
Mauritius
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	0	0
Long-lived assets	5,167		$ 4,663
Indian Led
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 227,900	$ 232,600