LOANS, ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS (Summary of Originated and Acquired Loans by Type and Risk) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	$ 1,026,603	$ 999,433
Unearned net deferred fees and costs and loans in process	98	409
Unamortized discount on acquired loans	(6,744)	(7,286)
Allowance for loan losses	(8,759)	(7,604)	$ (6,458)
Loans receivable, net	1,011,198	984,952
1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	983,446	963,958
6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,978	11,696
7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	31,179	23,779
8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Originated Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	684,119	619,789
Allowance for loan losses	(8,284)	(7,180)	(6,084)	$ (5,859)
Originated Loans | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	667,247	613,335
Originated Loans | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	2,812	1,660
Originated Loans | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	14,060	4,794
Originated Loans | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Originated Loans | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Acquired Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	342,484	379,644
Allowance for loan losses	(475)		(374)
Acquired Loans | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	316,199	350,623
Acquired Loans | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	9,166	10,036
Acquired Loans | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	17,119	18,985
Acquired Loans | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Acquired Loans | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(1,130)		(1,223)
Residential Real Estate | One to four family
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	191,890	209,926
Residential Real Estate | One to four family | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	186,597	202,742
Residential Real Estate | One to four family | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	516	2,822
Residential Real Estate | One to four family | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	4,777	4,362
Residential Real Estate | One to four family | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | One to four family | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Purchased HELOC loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,125	12,883
Residential Real Estate | Purchased HELOC loans | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,125	12,883
Residential Real Estate | Purchased HELOC loans | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Purchased HELOC loans | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Purchased HELOC loans | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Purchased HELOC loans | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(977)	(1,048)	(1,075)	(1,439)
Residential Real Estate | Originated Loans | One to four family
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	117,585	121,053
Residential Real Estate | Originated Loans | One to four family | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	114,787	118,461
Residential Real Estate | Originated Loans | One to four family | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	54	165
Residential Real Estate | Originated Loans | One to four family | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	2,744	2,427
Residential Real Estate | Originated Loans | One to four family | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans | One to four family | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans | Purchased HELOC loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,125	12,883
Residential Real Estate | Originated Loans | Purchased HELOC loans | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,125	12,883
Residential Real Estate | Originated Loans | Purchased HELOC loans | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans | Purchased HELOC loans | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans | Purchased HELOC loans | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Originated Loans | Purchased HELOC loans | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Acquired Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(153)		(148)
Residential Real Estate | Acquired Loans | One to four family
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	74,305	88,873
Residential Real Estate | Acquired Loans | One to four family | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	71,810	84,281
Residential Real Estate | Acquired Loans | One to four family | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	462	2,657
Residential Real Estate | Acquired Loans | One to four family | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	2,033	1,935
Residential Real Estate | Acquired Loans | One to four family | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Residential Real Estate | Acquired Loans | One to four family | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(5,191)		(3,161)
Commercial/Agriculture Real Estate | Commercial real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	374,441	357,959
Commercial/Agriculture Real Estate | Commercial real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	361,525	345,900
Commercial/Agriculture Real Estate | Commercial real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	5,997	6,005
Commercial/Agriculture Real Estate | Commercial real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	6,919	6,054
Commercial/Agriculture Real Estate | Commercial real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Commercial real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Agricultural real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	92,137	86,015
Commercial/Agriculture Real Estate | Agricultural real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	82,898	77,796
Commercial/Agriculture Real Estate | Agricultural real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,408	987
Commercial/Agriculture Real Estate | Agricultural real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	7,831	7,232
Commercial/Agriculture Real Estate | Agricultural real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Agricultural real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Multi-family real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	83,423	69,400
Commercial/Agriculture Real Estate | Multi-family real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	83,263	69,235
Commercial/Agriculture Real Estate | Multi-family real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Multi-family real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	160	165
Commercial/Agriculture Real Estate | Multi-family real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Multi-family real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Construction and land development
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	52,071	22,691
Commercial/Agriculture Real Estate | Construction and land development | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	48,160	22,100
Commercial/Agriculture Real Estate | Construction and land development | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	38	183
Commercial/Agriculture Real Estate | Construction and land development | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	3,873	408
Commercial/Agriculture Real Estate | Construction and land development | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Construction and land development | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(5,010)	(4,019)	(3,031)	(2,604)
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	239,051	200,875
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	237,548	200,226
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	349	197
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,154	452
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Commercial real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	34,927	29,589
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	32,681	27,581
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	111	987
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	2,135	1,021
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Agricultural real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	75,664	61,574
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	75,663	61,574
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1	0
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Multi-family real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	35,030	15,812
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	31,530	15,812
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	3,500	0
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Originated Loans | Construction and land development | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(181)		(130)
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	135,390	157,084
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	123,977	145,674
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	5,648	5,808
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	5,765	5,602
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Commercial real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	57,210	56,426
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	50,217	50,215
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,297	0
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	5,696	6,211
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Agricultural real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	7,759	7,826
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	7,600	7,661
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	159	165
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Multi-family real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	17,041	6,879
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	16,630	6,288
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	38	183
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	373	408
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agriculture Real Estate | Acquired Loans | Construction and land development | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(584)		(750)
Consumer Non-real Estate | Originated indirect paper
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	47,391	56,585
Consumer Non-real Estate | Originated indirect paper | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	47,188	56,371
Consumer Non-real Estate | Originated indirect paper | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated indirect paper | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	203	214
Consumer Non-real Estate | Originated indirect paper | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated indirect paper | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Purchased indirect paper
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,155	15,006
Consumer Non-real Estate | Purchased indirect paper | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,155	15,006
Consumer Non-real Estate | Purchased indirect paper | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Purchased indirect paper | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Purchased indirect paper | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Purchased indirect paper | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Other Consumer
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	18,389	20,214
Consumer Non-real Estate | Other Consumer | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	18,326	20,154
Consumer Non-real Estate | Other Consumer | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Other Consumer | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	63	60
Consumer Non-real Estate | Other Consumer | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Other Consumer | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(528)	(641)	(687)	(910)
Consumer Non-real Estate | Originated Loans | Originated indirect paper
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	47,391	56,585
Consumer Non-real Estate | Originated Loans | Originated indirect paper | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	47,188	56,371
Consumer Non-real Estate | Originated Loans | Originated indirect paper | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Originated indirect paper | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	203	214
Consumer Non-real Estate | Originated Loans | Originated indirect paper | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Originated indirect paper | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Purchased indirect paper
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,155	15,006
Consumer Non-real Estate | Originated Loans | Purchased indirect paper | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	11,155	15,006
Consumer Non-real Estate | Originated Loans | Purchased indirect paper | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Purchased indirect paper | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Purchased indirect paper | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Purchased indirect paper | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Other Consumer
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	15,229	15,553
Consumer Non-real Estate | Originated Loans | Other Consumer | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	15,187	15,515
Consumer Non-real Estate | Originated Loans | Other Consumer | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Other Consumer | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	42	38
Consumer Non-real Estate | Originated Loans | Other Consumer | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Originated Loans | Other Consumer | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Acquired Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(56)		(63)
Consumer Non-real Estate | Acquired Loans | Other Consumer
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	3,160	4,661
Consumer Non-real Estate | Acquired Loans | Other Consumer | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	3,139	4,639
Consumer Non-real Estate | Acquired Loans | Other Consumer | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Acquired Loans | Other Consumer | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	21	22
Consumer Non-real Estate | Acquired Loans | Other Consumer | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Consumer Non-real Estate | Acquired Loans | Other Consumer | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(1,555)		(1,045)
Commercial/Agricultural Non-real Estate | Commercial non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	107,754	112,427
Commercial/Agricultural Non-real Estate | Commercial non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	99,732	108,633
Commercial/Agricultural Non-real Estate | Commercial non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	2,667	1,444
Commercial/Agricultural Non-real Estate | Commercial non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	5,355	2,350
Commercial/Agricultural Non-real Estate | Commercial non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Commercial non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Agricultural non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	36,827	36,327
Commercial/Agricultural Non-real Estate | Agricultural non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	33,477	33,138
Commercial/Agricultural Non-real Estate | Agricultural non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,352	255
Commercial/Agricultural Non-real Estate | Agricultural non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,998	2,934
Commercial/Agricultural Non-real Estate | Agricultural non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Agricultural non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Originated Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(1,470)	(1,258)	(1,012)	$ (880)
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	75,186	73,518
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	70,605	73,412
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,141	106
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	3,440	0
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Originated Loans | Commercial non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	21,776	17,341
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	19,778	16,494
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,157	205
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	841	642
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Originated Loans | Agricultural non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Acquired Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Allowance for loan losses	(85)		$ (33)
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	32,568	38,909
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	29,127	35,221
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,526	1,338
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,915	2,350
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Acquired Loans | Commercial non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	15,051	18,986
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate | 1 to 5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	13,699	16,644
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate | 6
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	195	50
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate | 7
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	1,157	2,292
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate | 8
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	0	0
Commercial/Agricultural Non-real Estate | Acquired Loans | Agricultural non-real estate | 9
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gross loans	$ 0	$ 0