LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Past Due (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Recorded investment of past due [Abstract]
Total past due	$ 2,248,836	$ 1,724,999
PCI		3,306
90 days or greater and accruing	516	7
Financing receivables on nonaccrual status [Abstract]
PCI Loans considered non accrual		0
Financing receivable nonaccrual status	12,187	6,938
Nonaccrual With a related allowance	4,398	6,938
Nonaccrual Without a related allowance	7,789
90 days or greater past due and accruing	516	7
Total non-performing loans	12,703	6,945
Financing receivables on accrual status [Abstract]
PCI Loans still accruing		3,306
Total financing receivables and still accruing	$ 2,236,649	1,718,061
Minimum [Member]
Financing receivables on nonaccrual status [Abstract]
Period of past due after which loans considered as non accrual	90 days
Current [Member]
Recorded investment of past due [Abstract]
Total past due	$ 2,229,685	1,714,673
Financing receivables on nonaccrual status [Abstract]
Current and non-accrual	4,008	3,370
Financing receivable nonaccrual status	2,229,685	1,714,673
Financing receivables on accrual status [Abstract]
Current and still accruing	2,225,677	1,711,303
Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	19,151	7,020
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	8,179	3,568
Financing receivables on accrual status [Abstract]
Total past due and still accruing	10,972	3,452
30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	9,251	3,276
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	199	46
Financing receivables on accrual status [Abstract]
Total past due and still accruing	9,052	3,230
60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	2,070	291
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	666	76
Financing receivables on accrual status [Abstract]
Total past due and still accruing	1,404	215
90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	7,830	3,453
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	7,314	3,446
Financing receivables on accrual status [Abstract]
Total past due and still accruing	516	7
Home Equity [Member]
Recorded investment of past due [Abstract]
Total past due	49,791
Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	1,092,887
Construction [Member]
Recorded investment of past due [Abstract]
Total past due	195,826
Real Estate Loans [Member] | Mortgages [Member]
Recorded investment of past due [Abstract]
Total past due	310,199	162,569
PCI		9
90 days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	2,961	562
Nonaccrual With a related allowance	315	562
Nonaccrual Without a related allowance	2,646
90 days or greater past due and accruing	0	0
Total non-performing loans	2,961	562
Real Estate Loans [Member] | Mortgages [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	304,917	161,843
Real Estate Loans [Member] | Mortgages [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	5,282	717
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	2,682	356
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	360	132
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	2,240	229
Real Estate Loans [Member] | Home Equity [Member]
Recorded investment of past due [Abstract]
Total past due	49,791	47,644
PCI		0
90 days or greater and accruing	18	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	121	29
Nonaccrual With a related allowance	0	29
Nonaccrual Without a related allowance	121
90 days or greater past due and accruing	18	0
Total non-performing loans	139	29
Real Estate Loans [Member] | Home Equity [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	49,508	47,558
Real Estate Loans [Member] | Home Equity [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	283	86
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	145	48
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	67	9
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	71	29
Real Estate Loans [Member] | Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	1,092,887	876,569
PCI		1,856
90 days or greater and accruing	404	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	1,135	2,778
Nonaccrual With a related allowance	256	2,778
Nonaccrual Without a related allowance	879
90 days or greater past due and accruing	404	0
Total non-performing loans	1,539	2,778
Real Estate Loans [Member] | Commercial [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	1,090,111	871,745
Real Estate Loans [Member] | Commercial [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	2,776	2,968
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,151	1,065
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	245	115
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,380	1,788
Real Estate Loans [Member] | Agricultural [Member]
Recorded investment of past due [Abstract]
Total past due	314,802	313,614
PCI		1,441
90 days or greater and accruing	75	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	2,670	3,222
Nonaccrual With a related allowance	181	3,222
Nonaccrual Without a related allowance	2,489
90 days or greater past due and accruing	75	0
Total non-performing loans	2,745	3,222
Real Estate Loans [Member] | Agricultural [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	313,290	310,805
Real Estate Loans [Member] | Agricultural [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,512	1,368
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	72	0
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,440	1,368
Real Estate Loans [Member] | Construction [Member]
Recorded investment of past due [Abstract]
Total past due	195,826	80,691
PCI		0
90 days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	2,357	0
Nonaccrual With a related allowance	2,357	0
Nonaccrual Without a related allowance	0
90 days or greater past due and accruing	0	0
Total non-performing loans	2,357	0
Real Estate Loans [Member] | Construction [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	188,674	80,691
Real Estate Loans [Member] | Construction [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	7,152	0
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	4,407	0
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	388	0
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	2,357	0
Consumer [Member]
Recorded investment of past due [Abstract]
Total past due	61,316	86,650
PCI		0
90 days or greater and accruing	13	7
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	701	0
Nonaccrual With a related allowance	701	0
Nonaccrual Without a related allowance	0
90 days or greater past due and accruing	13	7
Total non-performing loans	714	7
Consumer [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	60,995	86,496
Consumer [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	321	154
Consumer [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	16	147
Consumer [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	282	0
Consumer [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	23	7
Other Commercial Loans [Member]
Recorded investment of past due [Abstract]
Total past due	136,168	63,222
PCI		0
90 days or greater and accruing	6	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	1,750	62
Nonaccrual With a related allowance	588	62
Nonaccrual Without a related allowance	1,162
90 days or greater past due and accruing	6	0
Total non-performing loans	1,756	62
Other Commercial Loans [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	134,813	61,495
Other Commercial Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,355	1,727
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	670	1,660
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	366	35
Other Commercial Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	319	32
Other Agricultural Loans [Member]
Recorded investment of past due [Abstract]
Total past due	30,673	34,832
PCI		0
90 days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	492	285
Nonaccrual With a related allowance	0	285
Nonaccrual Without a related allowance	492
90 days or greater past due and accruing	0	0
Total non-performing loans	492	285
Other Agricultural Loans [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	30,203	34,832
Other Agricultural Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	470	0
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	108	0
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	362	0
Other Agricultural Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member]
Recorded investment of past due [Abstract]
Total past due	57,174	59,208
PCI		0
90 days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
90 days or greater past due and accruing	0	0
State and Political Subdivision Loans [Member] | Current [Member]
Recorded investment of past due [Abstract]
Total past due	57,174	59,208
State and Political Subdivision Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	$ 0	$ 0