LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Credit Risk Profile By Risk Rating (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 4,591,908	$ 4,468,476
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,057,394	2,927,203
Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	15,265	95,055
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	93,487	59,027
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Total Non-Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	108,752	154,082
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,166,146	3,081,285
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	31,820	33,485
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	25,726	32,402
Farmland | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	5,425	0
Farmland | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	669	1,083
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	6,094	1,083
Farmland | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	31,820	33,485
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	531,499	511,910
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	507,250	475,093
Owner-occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,449	25,484
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	22,800	11,333
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	24,249	36,817
Owner-occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	531,499	511,910
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,733	1,652
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,733	1,652
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	1,733	1,652
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	719,441	726,442
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	672,435	653,981
Commercial and Industrial | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	5,590	52,030
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	41,416	20,431
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	47,006	72,461
Commercial and Industrial | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	719,441	726,442
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	142,423	152,201
Obligations (other than securities and leases) of states and political subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	142,423	139,014
Obligations (other than securities and leases) of states and political subdivisions | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	13,187
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	13,187
Obligations (other than securities and leases) of states and political subdivisions | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	142,423	152,201
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	26,132	25,507
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	26,132	25,507
Other loans | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
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	0	0
Other loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	26,132	25,507
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	288,628	340,358
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	287,113	338,746
Other construction loans and all land development and other land loans | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Other construction loans and all land development and other land loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,515	1,612
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	1,515	1,612
Other construction loans and all land development and other land loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	288,628	340,358
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	408,469	305,697
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	403,638	303,554
Multifamily (5 or more) residential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	1,346
Multifamily (5 or more) residential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	4,831	797
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	4,831	2,143
Multifamily (5 or more) residential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	408,469	305,697
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,016,001	984,033
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	990,944	957,254
Non-owner occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,801	3,008
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	22,256	23,771
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	25,057	26,779
Non-owner occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 1,016,001	$ 984,033