Income Taxes - Schedule of the Company's Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 65,840	$ 60,902	$ 45,464
State	12,066	14,426	11,434
Total Current	77,906	75,328	56,898
Deferred:
Federal	(31,783)	(9,630)	(2,172)
State	(10,803)	(5,785)	(4,102)
Total Deferred	(42,586)	(15,415)	(6,274)
Provision for Income Taxes	$ 35,320	$ 59,913	$ 50,624