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LOANS - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Troubled debt restructurings, number of contracts | loan			2	11
Troubled debt restructurings, post-modification recorded investment | $			$ 270	$ 550
Residential mortgage | Real estate loan | first liens | Monthly Payment Reduction and Extended Maturity Date [Member]
Troubled debt restructurings, number of contracts | loan			0	1
Troubled debt restructurings, post-modification recorded investment | $			$ 0	$ 271
Residential mortgage | Real estate loan | junior liens | Monthly Payment Reduction and Extended Maturity Date [Member]
Troubled debt restructurings, number of contracts | loan			0	1
Troubled debt restructurings, post-modification recorded investment | $			$ 0	$ 18
Residential mortgage | Real estate loan | junior liens | New Loan at Lower Than Risk-adjusted Market Rate to Borrower [Member]
Troubled debt restructurings, number of contracts | loan			1	0
Troubled debt restructurings, post-modification recorded investment | $			$ 30	$ 0
Commercial | Commercial and industrial | Monthly Payment Reduction and Extended Maturity Date [Member]
Troubled debt restructurings, number of contracts | loan			0	8
Troubled debt restructurings, post-modification recorded investment | $			$ 0	$ 177
Commercial | Commercial and industrial | Interest only payments for a nine-month period
Troubled debt restructurings, number of contracts | loan	1	0	1	0
Troubled debt restructurings, post-modification recorded investment | $	$ 240	$ 0	$ 240	$ 0
Commercial | Agricultural loans | Monthly Payment Reduction and Extended Maturity Date [Member]
Troubled debt restructurings, number of contracts | loan			0	1
Troubled debt restructurings, post-modification recorded investment | $			$ 0	$ 84

X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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