LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Credit Risk Profile By Risk Rating (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 4,479,692	$ 4,468,476
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,975,477	2,927,203
Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	7,537	95,055
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	99,137	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	106,674	154,082
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,082,151	3,081,285
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	32,212	33,485
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	31,489	32,402
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	723	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	723	1,083
Farmland | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	32,212	33,485
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	535,128	511,910
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	509,918	475,093
Owner-occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,605	25,484
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	23,605	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	25,210	36,817
Owner-occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	535,128	511,910
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,561	1,652
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,561	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	1,561	1,652
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	659,407	726,442
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	616,005	653,981
Commercial and Industrial | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,791	52,030
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	40,611	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	43,402	72,461
Commercial and Industrial | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	659,407	726,442
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	150,482	152,201
Obligations (other than securities and leases) of states and political subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	137,588	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	12,894	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	12,894	13,187
Obligations (other than securities and leases) of states and political subdivisions | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	150,482	152,201
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	26,326	25,507
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	26,326	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	26,326	25,507
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	374,702	340,358
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	373,165	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	1,537	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	1,537	1,612
Other construction loans and all land development and other land loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	374,702	340,358
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	324,092	305,697
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	318,969	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	5,123	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	5,123	2,143
Multifamily (5 or more) residential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	324,092	305,697
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	978,241	984,033
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	960,456	957,254
Non-owner occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,141	3,008
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	14,644	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	17,785	26,779
Non-owner occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 978,241	$ 984,033