SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER SHORT-TERM BORROWINGS (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank [Line Items]
Federal Funds Purchased and Securities Sold under Agreements to Repurchase	$ 12.9	$ 18.7
Securities sold under agreements to repurchase, fair value of collateral	22.0	28.5
Potential amount that could be collateralized	554.3
Home Equity Loan [Member] \| Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank [Line Items]
FHLB advances, pledged as collateral	46.9	54.7
1-4 Family Residential \| Federal Home Loan Bank of Atlanta [Member]
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank [Line Items]
FHLB advances, pledged as collateral	376.3	347.4
Commercial Mortgage Loan \| Commercial Portfolio Segment [Member] \| Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank [Line Items]
FHLB advances, pledged as collateral	76.6	107.7
Securities Investment [Member] \| Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch Of Fhlb Bank [Line Items]
FHLB advances, pledged as collateral	$ 17.6	$ 25.3

Potential amount that could be collateralized.

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- Definition

Amount after offset of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(1))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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+ References

No definition available.

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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- Definition

Fair value of securities pledged as collateral against securities sold under agreement to repurchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313

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