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Commitments, Contingencies, and Concentrations of Credit Risk (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Bank Standby Letters of credit	$ 15,700	$ 15,200
Marketable securities to any one issuer or guarantor, threshold	5,000
FDIC-insured, amount	250
Federal Home Loan Bank of Atlanta [Member]
Deposits	135,400
Federal Reserve Bank [Member]
Deposits	246,200
PCBB [Member]
Deposits	$ 200

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- Definition

For banks and other depository institutions: Interest-bearing and noninterest bearing deposits in other financial institutions.

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- Definition

The threshold for marketable securities issued to any one guarantor.

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- Definition

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

+ References

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- Definition

This item represents a non-contingent liability for the fair value of an obligation to stand ready to perform over the term of a guaranty issued in the event that specified triggering events or conditions occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15)
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 25
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-SubTopic 10
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