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Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Mortgage loan interest rate lock commitments [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative financial instruments, Notional amount	$ 15,430	$ 17,986
Derivative Asset/(Liability), Fair Value	196	256
MBS forward sales commitments [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative financial instruments, Notional amount	10,750	14,250
Derivative Asset/(Liability), Fair Value	(28)	(3)
Total derivative financial instruments [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative financial instruments, Notional amount	26,180	32,236
Derivative Asset/(Liability), Fair Value	$ 168	$ 253

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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X

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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- Details

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