Federal and State Income Taxes - Summary of Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current
Federal									$ 27,626	$ 42,951	$ 51,180
State									16,548	21,950	22,596
Total current income tax expense									44,174	64,901	73,776
Deferred
Federal									404	1,712	(7,151)
State									103	465	(1,944)
Total deferred income tax expense (benefit)									507	2,177	(9,095)
Total income tax expense	$ 7,796	$ 11,734	$ 12,727	$ 12,424	$ 17,762	$ 17,994	$ 17,338	$ 13,984	44,681	67,078	64,681
Tax benefit of operating loss carryforwards									$ 313	$ 315	$ 315