Federal and State Income Taxes - Summary of Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current
Federal									$ 42,951	$ 51,180	$ 47,775
State									21,950	22,596	20,728
Total current income tax expense									64,901	73,776	68,503
Deferred
Federal									1,712	(7,151)	(5,396)
State									465	(1,944)	(1,467)
Total deferred income tax expense (benefit)									2,177	(9,095)	(6,863)
Total income tax expense	$ 17,762	$ 17,994	$ 17,338	$ 13,984	$ 9,272	$ 16,976	$ 18,935	$ 19,498	67,078	64,681	61,640
Tax benefit of operating loss carryforwards									$ 315	$ 315	$ 315