Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 4,072	$ 2,670	$ 9,927	$ 6,870
Effective tax rate, current income tax expense (benefit) (as a percent)	32.40%	17.50%	24.30%	20.10%
Tax expense as a result of electing new tax regime for two Indian subsidiaries	$ 1,320		$ 1,320
Tax expense from re-measurement of Indian subsidiaries' deferred taxes to lower corporate tax rate			573
Tax expense resulting from foregoing the minimum alternative tax credits			747
Measurement period adjustment, transition tax expense (benefit)				$ (1,471)
Excess tax benefits related to stock awards			$ 1,822	$ 1,072