LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES, Past Due (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Recorded investment of past due [Abstract]
Total past due	$ 7,020	$ 4,637
Current	1,714,673	1,433,094
PCI	3,306	3,802
Total loan receivables	1,724,999	1,441,533
90 Days and accruing	7	46
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	3,568	3,624
Current and non-accrual	3,370	3,992
PCI Loans considered non accrual	0	0
Financing receivable nonaccrual status	6,938	7,616
Foregone interest income	676	573	$ 756
Financing receivables on accrual status [Abstract]
Total past due and still accruing	3,452	1,013
Current and still accruing	1,711,303	1,429,102
PCI Loans still accruing	3,306	3,802
Total financing receivables and still accruing	$ 1,718,061	1,433,917
Minimum [Member]
Financing receivables on nonaccrual status [Abstract]
Period of past due after which loans considered as non accrual	90 days
30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	$ 3,276	671
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	46	0
Financing receivables on accrual status [Abstract]
Total past due and still accruing	3,230	671
60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	291	296
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	76	0
Financing receivables on accrual status [Abstract]
Total past due and still accruing	215	296
90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	3,453	3,670
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	3,446	3,624
Financing receivables on accrual status [Abstract]
Total past due and still accruing	7	46
Real Estate Loans [Member] | Mortgages [Member]
Recorded investment of past due [Abstract]
Total past due	717	599
Current	161,843	150,329
PCI	9	14
Total loan receivables	162,569	150,942
90 Days and accruing	0	13
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	562	595
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	356	220
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	132	170
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	229	209
Real Estate Loans [Member] | Home Equity [Member]
Recorded investment of past due [Abstract]
Total past due	86	136
Current	47,558	50,019
PCI	0	0
Total loan receivables	47,644	50,155
90 Days and accruing	0	33
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	29	0
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	48	103
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	9	0
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	29	33
Real Estate Loans [Member] | Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	2,968	2,211
Current	871,745	682,982
PCI	1,856	2,145
Total loan receivables	876,569	687,338
90 Days and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	2,778	2,945
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,065	127
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	115	115
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,788	1,969
Real Estate Loans [Member] | Agricultural [Member]
Recorded investment of past due [Abstract]
Total past due	1,368	1,398
Current	310,805	308,970
PCI	1,441	1,643
Total loan receivables	313,614	312,011
90 Days and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	3,222	3,133
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	31
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	1,368	1,367
Real Estate Loans [Member] | Construction [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Current	80,691	55,036
PCI	0	0
Total loan receivables	80,691	55,036
90 Days and accruing	0	0
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Consumer [Member]
Recorded investment of past due [Abstract]
Total past due	154	164
Current	86,496	25,694
PCI	0	0
Total loan receivables	86,650	25,858
90 Days and accruing	7	0
Consumer [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	147	163
Consumer [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	1
Consumer [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	7	0
Other Commercial Loans [Member]
Recorded investment of past due [Abstract]
Total past due	1,727	119
Current	61,495	74,466
PCI	0	0
Total loan receivables	63,222	74,585
90 Days and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	62	140
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,660	17
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	35	10
Other Commercial Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	32	92
Other Agricultural Loans [Member]
Recorded investment of past due [Abstract]
Total past due	0	10
Current	34,832	39,842
PCI	0	0
Total loan receivables	34,832	39,852
90 Days and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	285	803
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	10
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	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	0	0
Current	59,208	45,756
PCI	0	0
Total loan receivables	59,208	45,756
90 Days and accruing	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