Employee Benefit Plans - Net Gratuity Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Retirement Benefits [Abstract]
Service cost	$ 958	$ 885	$ 1,948	$ 1,774
Interest cost	313	234	636	469
Expected return on plan assets	(221)	(200)	(449)	(401)
Amortization of actuarial loss, gross of tax	149	176	304	355
Net gratuity cost	1,199	1,095	2,439	2,197
Income tax effects on amortization of actuarial loss	(45)	(71)	(92)	(122)
Amortization of actuarial loss, net of tax	$ 104	$ 105	$ 212	$ 233