LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Risk Rating (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 6,434,020	$ 6,493,740
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total	3,982,997	4,023,480
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total	30,829	24,038
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total	117,795	118,769
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	252	3,753
2025/2024	3,730	286
2024/2023	277	852
2023/2022	845	9,516
2022/2021	9,304	5,664
Prior	12,190	6,932
Revolving Loans Amortized Cost Basis	451	580
Revolving Loans Converted to Term	0	0
Total	27,049	27,583
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Farmland \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	252	3,753
2025/2024	3,730	123
2024/2023	122	852
2023/2022	745	4,898
2022/2021	4,565	5,664
Prior	11,809	6,500
Revolving Loans Amortized Cost Basis	451	580
Revolving Loans Converted to Term	0	0
Total	21,674	22,370
Farmland \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Farmland \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	163
2024/2023	155	0
2023/2022	100	4,618
2022/2021	4,739	0
Prior	381	432
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	5,375	5,213
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	11,880	73,434
2025/2024	75,417	88,165
2024/2023	94,961	80,361
2023/2022	73,496	121,527
2022/2021	117,808	115,180
Prior	240,231	145,397
Revolving Loans Amortized Cost Basis	16,539	12,380
Revolving Loans Converted to Term	0	0
Total	630,332	636,444
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	1,516
2022/2021	42	0
Prior	5	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	47	1,516
Owner-occupied, nonfarm nonresidential properties \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	11,853	73,282
2025/2024	74,103	73,484
2024/2023	80,309	77,896
2023/2022	69,030	118,194
2022/2021	111,188	113,910
Prior	232,752	139,469
Revolving Loans Amortized Cost Basis	15,377	11,463
Revolving Loans Converted to Term	0	0
Total	594,612	607,698
Owner-occupied, nonfarm nonresidential properties \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	27	50
2025/2024	1,215	0
2024/2023	0	226
2023/2022	2,464	236
2022/2021	233	337
Prior	2,928	1,749
Revolving Loans Amortized Cost Basis	356	110
Revolving Loans Converted to Term	0	0
Total	7,223	2,708
Owner-occupied, nonfarm nonresidential properties \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	102
2025/2024	99	14,681
2024/2023	14,652	2,239
2023/2022	2,002	3,097
2022/2021	6,387	933
Prior	4,551	4,179
Revolving Loans Amortized Cost Basis	806	807
Revolving Loans Converted to Term	0	0
Total	28,497	26,038
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	98
2025/2024	52	4,816
2024/2023	4,767	410
2023/2022	393	5
2022/2021	0	12
Prior	31	24
Revolving Loans Amortized Cost Basis	810	624
Revolving Loans Converted to Term	0	0
Total	6,053	5,989
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Agricultural production and other loans to farmers \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	98
2025/2024	52	4,816
2024/2023	4,767	410
2023/2022	393	5
2022/2021	0	12
Prior	31	24
Revolving Loans Amortized Cost Basis	810	624
Revolving Loans Converted to Term	0	0
Total	6,053	5,989
Agricultural production and other loans to farmers \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Agricultural production and other loans to farmers \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Loans to depository institutions
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	2,439
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	2,439
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Loans to depository institutions \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	2,439
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	2,439
Loans to depository institutions \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Loans to depository institutions \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	73,773	135,487
2025/2024	120,173	110,367
2024/2023	101,217	42,966
2023/2022	29,046	94,810
2022/2021	78,280	46,010
Prior	58,227	31,961
Revolving Loans Amortized Cost Basis	353,530	317,377
Revolving Loans Converted to Term	0	0
Total	814,246	778,978
Current period gross write offs
2026/2025	0	22
2025/2024	0	49
2024/2023	37	98
2023/2022	0	9
2022/2021	71	26
Prior	0	147
Revolving Loans Amortized Cost Basis	0	656
Revolving Loans Converted to Term	0	31
Total	108	1,038
Commercial and Industrial \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	73,640	133,217
2025/2024	118,629	109,670
2024/2023	100,580	38,959
2023/2022	25,208	81,882
2022/2021	65,863	44,264
Prior	55,554	31,010
Revolving Loans Amortized Cost Basis	313,549	275,188
Revolving Loans Converted to Term	0	0
Total	753,023	714,190
Commercial and Industrial \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	20
2025/2024	18	423
2024/2023	409	60
2023/2022	30	0
2022/2021	0	1,339
Prior	1,183	26
Revolving Loans Amortized Cost Basis	4,074	4,092
Revolving Loans Converted to Term	0	0
Total	5,714	5,960
Commercial and Industrial \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	133	2,250
2025/2024	1,526	274
2024/2023	228	3,947
2023/2022	3,808	12,928
2022/2021	12,417	407
Prior	1,490	925
Revolving Loans Amortized Cost Basis	35,907	38,097
Revolving Loans Converted to Term	0	0
Total	55,509	58,828
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	703	933
2025/2024	1,122	6,563
2024/2023	6,260	30,181
2023/2022	30,708	18,655
2022/2021	17,900	39,626
Prior	109,044	71,173
Revolving Loans Amortized Cost Basis	3,443	4,355
Revolving Loans Converted to Term	0	0
Total	169,180	171,486
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Obligations (other than securities and leases) of states and political subdivisions \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	703	933
2025/2024	1,122	6,563
2024/2023	6,260	30,181
2023/2022	30,708	18,655
2022/2021	17,900	39,626
Prior	109,044	71,173
Revolving Loans Amortized Cost Basis	3,443	4,355
Revolving Loans Converted to Term	0	0
Total	169,180	171,486
Obligations (other than securities and leases) of states and political subdivisions \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Obligations (other than securities and leases) of states and political subdivisions \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	200	23,315
2025/2024	23,281	860
2024/2023	819	2,903
2023/2022	2,885	11,888
2022/2021	11,728	4,537
Prior	5,567	1,362
Revolving Loans Amortized Cost Basis	2,864	2,854
Revolving Loans Converted to Term	0	0
Total	47,344	47,719
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Other loans \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	200	23,315
2025/2024	23,281	860
2024/2023	819	2,903
2023/2022	2,885	11,888
2022/2021	11,728	4,537
Prior	5,567	1,362
Revolving Loans Amortized Cost Basis	1,714	1,704
Revolving Loans Converted to Term	0	0
Total	46,194	46,569
Other loans \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	1,150	1,150
Revolving Loans Converted to Term	0	0
Total	1,150	1,150
Other loans \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	13,155	126,890
2025/2024	157,193	111,221
2024/2023	111,133	71,368
2023/2022	72,238	36,386
2022/2021	36,494	7,249
Prior	7,567	4,007
Revolving Loans Amortized Cost Basis	25,687	9,053
Revolving Loans Converted to Term	0	0
Total	423,467	366,174
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	0
Other construction loans and all land development and other land loans \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	13,155	126,890
2025/2024	154,533	108,759
2024/2023	108,836	71,368
2023/2022	72,238	36,239
2022/2021	36,351	7,249
Prior	6,195	2,635
Revolving Loans Amortized Cost Basis	25,687	9,053
Revolving Loans Converted to Term	0	0
Total	416,995	362,193
Other construction loans and all land development and other land loans \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	2,660	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	2,660	0
Other construction loans and all land development and other land loans \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	2,462
2024/2023	2,297	0
2023/2022	0	147
2022/2021	143	0
Prior	1,372	1,372
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3,812	3,981
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	5,044	135,212
2025/2024	127,032	60,801
2024/2023	43,504	92,023
2023/2022	88,326	278,967
2022/2021	252,264	83,881
Prior	127,115	56,441
Revolving Loans Amortized Cost Basis	2,636	2,507
Revolving Loans Converted to Term	0	0
Total	645,921	709,832
Current period gross write offs
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	1,072
2022/2021	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	0	1,072
Multifamily (5 or more) residential properties \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	5,044	129,491
2025/2024	123,085	60,801
2024/2023	43,504	91,724
2023/2022	88,189	278,967
2022/2021	252,264	79,805
Prior	123,170	56,441
Revolving Loans Amortized Cost Basis	2,636	2,507
Revolving Loans Converted to Term	0	0
Total	637,892	699,736
Multifamily (5 or more) residential properties \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	0
2025/2024	0	0
2024/2023	0	0
2023/2022	0	0
2022/2021	0	3,432
Prior	3,300	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	3,300	3,432
Multifamily (5 or more) residential properties \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2026/2025	0	5,721
2025/2024	3,947	0
2024/2023	0	299
2023/2022	137	0
2022/2021	0	644
Prior	645	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	4,729	6,664
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

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- Definition

Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan.

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