Loans, Allowance for Credit Losses, and Asset Quality Information - Unfunded Loan Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 110,067	$ 106,396	$ 109,853	$ 90,967	$ 90,967
Initial provision for credit losses on unfunded commitments acquired from GrandSouth	1,450	3,700	3,250	15,151
Charge-offs	(2,657)	(1,751)	(4,772)	(4,372)	(10,175)
Recoveries	1,198	885	1,727	1,874
Ending balance	110,058	109,230	110,058	109,230	109,853
Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			11,369	13,306	13,306
Initial provision for credit losses on unfunded commitments acquired from GrandSouth			(1,509)	(2,209)
Charge-offs			0	0
Recoveries			0	0
Ending balance	$ 9,860	$ 13,018	9,860	13,018	$ 11,369
Unfunded Loan Commitment | GrandSouth
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Initial provision for credit losses on unfunded commitments acquired from GrandSouth			$ 0	$ 1,921