Loans and Allowance for Credit Losses - Summary of Internal Ratings of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 5,493,503	$ 4,394,751
Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	5,395,712	4,306,188
Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans	23,110	46,980
Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	67,401	41,583
Purchased Credit Deteriorated
Accounts Notes And Loans Receivable [Line Items]
Total loans	7,280
Real Estate \| Non-Farm Non-Residential Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Total loans	609,699	434,715
Real Estate \| Non-Farm Non-Residential Owner Occupied \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	585,003	414,506
Real Estate \| Non-Farm Non-Residential Owner Occupied \| Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,600	6,725
Real Estate \| Non-Farm Non-Residential Owner Occupied \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	19,651	13,484
Real Estate \| Non-Farm Non-Residential Owner Occupied \| Purchased Credit Deteriorated
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,445
Real Estate \| Non-Farm Non-Residential Non-Owner Occupied
Accounts Notes And Loans Receivable [Line Items]
Total loans	988,249	710,401
Real Estate \| Non-Farm Non-Residential Non-Owner Occupied \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	964,978	689,381
Real Estate \| Non-Farm Non-Residential Non-Owner Occupied \| Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans	4,497	4,619
Real Estate \| Non-Farm Non-Residential Non-Owner Occupied \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	15,801	16,401
Real Estate \| Non-Farm Non-Residential Non-Owner Occupied \| Purchased Credit Deteriorated
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,973
Real Estate \| Residential
Accounts Notes And Loans Receivable [Line Items]
Total loans	514,474	333,419
Real Estate \| Residential \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	514,399	333,055
Real Estate \| Residential \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	75	364
Real Estate \| Construction, Development & Other
Accounts Notes And Loans Receivable [Line Items]
Total loans	888,908	823,353
Real Estate \| Construction, Development & Other \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	884,235	819,938
Real Estate \| Construction, Development & Other \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	4,673	3,415
Real Estate \| Farmland
Accounts Notes And Loans Receivable [Line Items]
Total loans	32,841	26,485
Real Estate \| Farmland \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	32,095	25,719
Real Estate \| Farmland \| Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans		766
Real Estate \| Farmland \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	746
Commercial & Industrial
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,368,844	1,906,616
Commercial & Industrial \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,324,540	1,863,861
Commercial & Industrial \| Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans	15,987	34,836
Commercial & Industrial \| Substandard
Accounts Notes And Loans Receivable [Line Items]
Total loans	26,455	7,919
Commercial & Industrial \| Purchased Credit Deteriorated
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,862
Consumer
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,715	1,576
Consumer \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,689	1,542
Consumer \| Special Mention
Accounts Notes And Loans Receivable [Line Items]
Total loans	26	34
Municipal and Other
Accounts Notes And Loans Receivable [Line Items]
Total loans	88,773	158,186
Municipal and Other \| Pass
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 88,773	$ 158,186