Allowance for Loan Losses and Foreclosed Real Estate - Allowance for loan losses allocated by loan class and the activity (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 811
Provisions	45	$ 38
Ending Balance	855
Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	811	$ 653
Charge Offs	$ (1)
Recoveries
Provisions	$ 45	$ 38
Ending Balance	855	691
Loans \| Real Estate Loans \| Secured by one-to-four family residences
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 524	$ 448
Charge Offs
Recoveries
Provisions	$ 15	$ (7)
Ending Balance	539	441
Loans \| Real Estate Loans \| Secured by multi-family residences
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 39	$ 29
Charge Offs
Recoveries
Provisions	$ 2
Ending Balance	41	$ 29
Loans \| Real Estate Loans \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 6	$ 6
Charge Offs
Recoveries
Provisions	$ 2	$ (1)
Ending Balance	8	5
Loans \| Real Estate Loans \| Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 35	$ 14
Charge Offs
Recoveries
Provisions	$ 11
Ending Balance	46	$ 14
Loans \| Real Estate Loans \| Home equity lines of credit
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 101	$ 87
Charge Offs
Recoveries
Provisions	$ 3	$ 10
Ending Balance	104	97
Loans \| Other Loans Portfolio Segment \| Commercial & industrial loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 11	$ 1
Charge Offs
Recoveries
Provisions
Ending Balance	$ 11	$ 1
Loans \| Other/Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	95	$ 68
Charge Offs	$ (1)
Recoveries
Provisions	$ 12	$ 36
Ending Balance	$ 106	$ 104

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
-Paragraph 11B
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
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-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Name Accounting Standards Codification
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-Section 50
-Paragraph 11B
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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