LOANS - Contractual Aging of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
LOANS
Loans receivable	$ 1,657,604	$ 1,564,849
Current & Past Due Less than 30 Days
LOANS
Loans receivable	1,645,386	1,547,325
Past Due 30-89 Days
LOANS
Loans receivable	6,404	6,333
Past Due 90+ Days
LOANS
Loans receivable	5,814	11,191
Commercial
LOANS
Loans receivable	1,066,556	978,371
Commercial | Current & Past Due Less than 30 Days
LOANS
Loans receivable	1,061,256	969,477
Commercial | Past Due 30-89 Days
LOANS
Loans receivable	2,821	928
Commercial | Past Due 90+ Days
LOANS
Loans receivable	2,479	7,966
Commercial | Real estate loan
LOANS
Loans receivable	656,892	569,840
Commercial | Real estate loan | Current & Past Due Less than 30 Days
LOANS
Loans receivable	652,741	563,658
Commercial | Real estate loan | Past Due 30-89 Days
LOANS
Loans receivable	1,984	762
Commercial | Real estate loan | Past Due 90+ Days
LOANS
Loans receivable	2,167	5,420
Commercial | Commercial and industrial
LOANS
Loans receivable	171,999	159,073
Commercial | Commercial and industrial | Current & Past Due Less than 30 Days
LOANS
Loans receivable	171,492	158,188
Commercial | Commercial and industrial | Past Due 30-89 Days
LOANS
Loans receivable	381	72
Commercial | Commercial and industrial | Past Due 90+ Days
LOANS
Loans receivable	126	813
Commercial | Paycheck Protection Program - 1st Draw
LOANS
Loans receivable	44	1,356
Commercial | Paycheck Protection Program - 1st Draw | Current & Past Due Less than 30 Days
LOANS
Loans receivable	44	1,339
Commercial | Paycheck Protection Program - 1st Draw | Past Due 30-89 Days
LOANS
Loans receivable	0	17
Commercial | Paycheck Protection Program - 1st Draw | Past Due 90+ Days
LOANS
Loans receivable	0	0
Commercial | Paycheck Protection Program - 2nd Draw
LOANS
Loans receivable	6,208	25,508
Commercial | Paycheck Protection Program - 2nd Draw | Current & Past Due Less than 30 Days
LOANS
Loans receivable	6,208	25,508
Commercial | Paycheck Protection Program - 2nd Draw | Past Due 30-89 Days
LOANS
Loans receivable	0	0
Commercial | Paycheck Protection Program - 2nd Draw | Past Due 90+ Days
LOANS
Loans receivable	0	0
Commercial | Political subdivisions
LOANS
Loans receivable	87,512	81,301
Commercial | Political subdivisions | Current & Past Due Less than 30 Days
LOANS
Loans receivable	87,512	81,301
Commercial | Political subdivisions | Past Due 30-89 Days
LOANS
Loans receivable	0	0
Commercial | Political subdivisions | Past Due 90+ Days
LOANS
Loans receivable	0	0
Commercial | Commercial Construction And Land
LOANS
Loans receivable	58,786	60,579
Commercial | Commercial Construction And Land | Current & Past Due Less than 30 Days
LOANS
Loans receivable	58,542	60,509
Commercial | Commercial Construction And Land | Past Due 30-89 Days
LOANS
Loans receivable	197	70
Commercial | Commercial Construction And Land | Past Due 90+ Days
LOANS
Loans receivable	47	0
Commercial | Construction Loans
LOANS
Loans receivable	58,786	60,579
Commercial | Loans secured by farm land
LOANS
Loans receivable	12,967	11,121
Commercial | Loans secured by farm land | Current & Past Due Less than 30 Days
LOANS
Loans receivable	12,629	11,010
Commercial | Loans secured by farm land | Past Due 30-89 Days
LOANS
Loans receivable	259	0
Commercial | Loans secured by farm land | Past Due 90+ Days
LOANS
Loans receivable	79	111
Commercial | Multi-family (5 or more) residential
LOANS
Loans receivable	53,753	50,089
Commercial | Multi-family (5 or more) residential | Current & Past Due Less than 30 Days
LOANS
Loans receivable	53,753	48,532
Commercial | Multi-family (5 or more) residential | Past Due 30-89 Days
LOANS
Loans receivable	0	0
Commercial | Multi-family (5 or more) residential | Past Due 90+ Days
LOANS
Loans receivable	0	1,557
Commercial | Agricultural loans
LOANS
Loans receivable	2,628	2,351
Commercial | Agricultural loans | Current & Past Due Less than 30 Days
LOANS
Loans receivable	2,568	2,279
Commercial | Agricultural loans | Past Due 30-89 Days
LOANS
Loans receivable	0	7
Commercial | Agricultural loans | Past Due 90+ Days
LOANS
Loans receivable	60	65
Commercial | Other commercial loans
LOANS
Loans receivable	15,767	17,153
Commercial | Other commercial loans | Current & Past Due Less than 30 Days
LOANS
Loans receivable	15,767	17,153
Commercial | Other commercial loans | Past Due 30-89 Days
LOANS
Loans receivable	0	0
Commercial | Other commercial loans | Past Due 90+ Days
LOANS
Loans receivable	0	0
Residential mortgage
LOANS
Loans receivable	572,499	569,346
Residential mortgage | Current & Past Due Less than 30 Days
LOANS
Loans receivable	565,708	560,847
Residential mortgage | Past Due 30-89 Days
LOANS
Loans receivable	3,531	5,333
Residential mortgage | Past Due 90+ Days
LOANS
Loans receivable	3,260	3,166
Residential mortgage | Real estate loan | first liens
LOANS
Loans receivable	482,505	483,629
Residential mortgage | Real estate loan | first liens | Current & Past Due Less than 30 Days
LOANS
Loans receivable	476,500	475,637
Residential mortgage | Real estate loan | first liens | Past Due 30-89 Days
LOANS
Loans receivable	3,009	5,038
Residential mortgage | Real estate loan | first liens | Past Due 90+ Days
LOANS
Loans receivable	2,996	2,954
Residential mortgage | Real estate loan | junior liens
LOANS
Loans receivable	23,036	23,314
Residential mortgage | Real estate loan | junior liens | Current & Past Due Less than 30 Days
LOANS
Loans receivable	22,939	23,229
Residential mortgage | Real estate loan | junior liens | Past Due 30-89 Days
LOANS
Loans receivable	33	16
Residential mortgage | Real estate loan | junior liens | Past Due 90+ Days
LOANS
Loans receivable	64	69
Residential mortgage | Home equity lines of credit
LOANS
Loans receivable	40,887	39,252
Residential mortgage | Home equity lines of credit | Current & Past Due Less than 30 Days
LOANS
Loans receivable	40,198	38,830
Residential mortgage | Home equity lines of credit | Past Due 30-89 Days
LOANS
Loans receivable	489	279
Residential mortgage | Home equity lines of credit | Past Due 90+ Days
LOANS
Loans receivable	200	143
Residential mortgage | 1-4 Family residential construction
LOANS
Loans receivable	26,071	23,151
Residential mortgage | 1-4 Family residential construction | Current & Past Due Less than 30 Days
LOANS
Loans receivable	26,071	23,151
Residential mortgage | 1-4 Family residential construction | Past Due 30-89 Days
LOANS
Loans receivable	0	0
Residential mortgage | 1-4 Family residential construction | Past Due 90+ Days
LOANS
Loans receivable	0	0
Consumer
LOANS
Loans receivable	18,549	17,132
Consumer | Current & Past Due Less than 30 Days
LOANS
Loans receivable	18,422	17,001
Consumer | Past Due 30-89 Days
LOANS
Loans receivable	52	72
Consumer | Past Due 90+ Days
LOANS
Loans receivable	$ 75	$ 59