LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Credit Risk Profile By Risk Rating (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 6,434,020	$ 6,493,740
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,982,997	4,023,480
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	30,829	24,038
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	117,795	118,769
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	148,624	142,807
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	4,131,621	4,166,287
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	27,049	27,583
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	21,674	22,370
Farmland | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Farmland | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	5,375	5,213
Farmland | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Farmland | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	5,375	5,213
Farmland | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	27,049	27,583
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	630,332	636,444
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	594,612	607,698
Owner-occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	7,223	2,708
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	28,497	26,038
Owner-occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Owner-occupied, nonfarm nonresidential properties | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	35,720	28,746
Owner-occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	630,332	636,444
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	6,053	5,989
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	6,053	5,989
Agricultural production and other loans to farmers | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	6,053	5,989
Loans to depository institutions
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	2,439
Loans to depository institutions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	2,439
Loans to depository institutions | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Loans to depository institutions | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Loans to depository institutions | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Loans to depository institutions | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Loans to depository institutions | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	2,439
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	814,246	778,978
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	753,023	714,190
Commercial and Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	5,714	5,960
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	55,509	58,828
Commercial and Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Commercial and Industrial | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	61,223	64,788
Commercial and Industrial | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	814,246	778,978
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	169,180	171,486
Obligations (other than securities and leases) of states and political subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	169,180	171,486
Obligations (other than securities and leases) of states and political subdivisions | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	169,180	171,486
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	47,344	47,719
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	46,194	46,569
Other loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,150	1,150
Other loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Other loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Other loans | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,150	1,150
Other loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	47,344	47,719
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	423,467	366,174
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	416,995	362,193
Other construction loans and all land development and other land loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,660	0
Other construction loans and all land development and other land loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,812	3,981
Other construction loans and all land development and other land loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Other construction loans and all land development and other land loans | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	6,472	3,981
Other construction loans and all land development and other land loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	423,467	366,174
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	645,921	709,832
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	637,892	699,736
Multifamily (5 or more) residential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,300	3,432
Multifamily (5 or more) residential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	4,729	6,664
Multifamily (5 or more) residential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Multifamily (5 or more) residential properties | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	8,029	10,096
Multifamily (5 or more) residential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	645,921	709,832
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,368,029	1,419,643
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,337,374	1,390,810
Non-owner occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	10,782	10,788
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	19,873	18,045
Non-owner occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Non-owner occupied, nonfarm nonresidential properties | Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	30,655	28,833
Non-owner occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 1,368,029	$ 1,419,643