Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Current - Federal	$ 27,799	$ 19,920	$ 19,188
Current - State	3,909	2,499	3,187
Deferred - Federal	(8,893)	1,572	1,658
Deferred - State	(1,161)	239	156
Income tax expense (benefit)	$ 21,654	$ 24,230	$ 24,189