LOANS AND ALLOWANCE FOR CREDIT LOSSES- Past due (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current - 29 Days Past Due	$ 902,853	$ 850,257
Total	911,078	858,469
90 Days or Greater Past Due and Still Accruing Interest	1,065	308
Financial Asset, 30 to 59 Days Past Due
Total	2,182	2,754
Financing Receivables, 60 to 89 Days Past Due
Total	383	124
Financing Receivables, Equal to Greater than 90 Days Past Due
Total	5,660	5,334
Financial Asset, Past Due
Total	8,225	8,212
Real Estate
Current - 29 Days Past Due	803,890	757,445
Total	811,493	764,880
90 Days or Greater Past Due and Still Accruing Interest	1,065	308
Real Estate | Financial Asset, 30 to 59 Days Past Due
Total	2,155	2,682
Real Estate | Financing Receivables, 60 to 89 Days Past Due
Total	379	59
Real Estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Total	5,069	4,694
Real Estate | Financial Asset, Past Due
Total	7,603	7,435
Agricultural
Current - 29 Days Past Due	671	860
Total	671	860
90 Days or Greater Past Due and Still Accruing Interest	0	0
Agricultural | Financial Asset, 30 to 59 Days Past Due
Total	0
Agricultural | Financing Receivables, 60 to 89 Days Past Due
Total		0
Agricultural | Financing Receivables, Equal to Greater than 90 Days Past Due
Total	0	0
Commercial and Industrial
Current - 29 Days Past Due	66,312	55,313
Total	66,909	56,077
90 Days or Greater Past Due and Still Accruing Interest	0	0
Commercial and Industrial | Financial Asset, 30 to 59 Days Past Due
Total	6	61
Commercial and Industrial | Financing Receivables, 60 to 89 Days Past Due
Total		63
Commercial and Industrial | Financing Receivables, Equal to Greater than 90 Days Past Due
Total	591	640
Commercial and Industrial | Financial Asset, Past Due
Total	597	764
Commercial and industrial
Total		86,999
Consumer
Current - 29 Days Past Due	5,799	5,694
Total	5,824	5,707
90 Days or Greater Past Due and Still Accruing Interest	0	0
Consumer | Financial Asset, 30 to 59 Days Past Due
Total	21	11
Consumer | Financing Receivables, 60 to 89 Days Past Due
Total	4	2
Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Total	0	0
Consumer | Financial Asset, Past Due
Total	25	13
Consumer
Total		5,415
State and Political Subdivisions
Current - 29 Days Past Due	26,181	30,945
Total	26,181	30,945
90 Days or Greater Past Due and Still Accruing Interest	0	0
State and Political Subdivisions | Financial Asset, 30 to 59 Days Past Due
Total	0
State and Political Subdivisions | Financing Receivables, 60 to 89 Days Past Due
Total		0
State and Political Subdivisions | Financing Receivables, Equal to Greater than 90 Days Past Due
Total	$ 0	0
Commercial Real Estate
Total		611,549
Residential Real Estate
Total		$ 154,506