Mergers and Acquisitions - Narrative (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 01, 2025 USD ($) branch shares	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Goodwill		$ 350,353	$ 242,561	$ 350,353	$ 242,561	$ 242,561
Merger and integration costs		16,057	$ 0	19,192	$ 0
Provisions for credit losses		7,518		7,518
Southern States Bancshares, Inc.
Business Combination [Line Items]
Number of branches acquired | branch	13
Total assets	$ 2,830,374
Loans	2,267,305
Deposits assumed in acquisition	2,468,530
Value of stock consideration	$ 368,028
Business acquisition, shares issued (in shares) | shares	8,124,241
Cash consideration	$ 327
Goodwill	107,792
Core deposit intangible	$ 30,820
Estimated useful life	10 years
Merger and integration costs		$ 16,057		$ 19,192
Deterioration credit quality since origination, percentage	17.00%
Provisions for credit losses	$ 25,123
Increase in provision for credit losses from unfunded commitments	$ 3,243