Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Current income tax expense	$ 3,387	$ 3,133	$ 9,002	$ 11,376
Deferred income tax expense (benefit)	1,590	650	3,612	(4,305)
Income tax expense	$ 4,977	$ 3,783	$ 12,614	$ 7,071