Loans and Servicing (Details 4) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Recorded Investment
Impaired loans without a valuation allowance	$ 322,000	$ 330,000
Impaired loans with a valuation allowance	317,000	2,825,000
Unpaid Principal Balance
Impaired loans without a valuation allowance	322,000	330,000
Impaired loans with a valuation allowance	317,000	2,928,000
Related Allowance
Impaired loans with a valuation allowance	7,000	333,000
Average Recorded Investment
Impaired loans without a valuation allowance	326,000	335,000
Impaired loans with a valuation allowance	868,000	2,861,000
Interest Income Recognized
Impaired loans without a valuation allowance	19,000	19,000
Impaired loans with a valuation allowance	24,000	119,000
Loan modifications	0
One- to four- family, residential loans
Recorded Investment
Impaired loans with a valuation allowance	317,000	321,000
Unpaid Principal Balance
Impaired loans with a valuation allowance	317,000	321,000
Related Allowance
Impaired loans with a valuation allowance	7,000	7,000
Average Recorded Investment
Impaired loans with a valuation allowance	319,000	379,000
Interest Income Recognized
Impaired loans with a valuation allowance	16,000	13,000
Home equity loans and lines of credit
Recorded Investment
Impaired loans without a valuation allowance	27,000	29,000
Impaired loans with a valuation allowance		399,000
Unpaid Principal Balance
Impaired loans without a valuation allowance	27,000	29,000
Impaired loans with a valuation allowance		399,000
Related Allowance
Impaired loans with a valuation allowance		49,000
Average Recorded Investment
Impaired loans without a valuation allowance	28,000	31,000
Impaired loans with a valuation allowance	123,000	377,000
Interest Income Recognized
Impaired loans without a valuation allowance	1,000	1,000
Impaired loans with a valuation allowance		2,000
Commercial real estate
Recorded Investment
Impaired loans without a valuation allowance	295,000	301,000
Impaired loans with a valuation allowance		2,105,000
Unpaid Principal Balance
Impaired loans without a valuation allowance	295,000	301,000
Impaired loans with a valuation allowance		2,208,000
Related Allowance
Impaired loans with a valuation allowance		277,000
Average Recorded Investment
Impaired loans without a valuation allowance	298,000	304,000
Impaired loans with a valuation allowance	426,000	2,105,000
Interest Income Recognized
Impaired loans without a valuation allowance	18,000	18,000
Impaired loans with a valuation allowance	$ 8,000	$ 104,000

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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Amount of allowance for credit losses related to recorded investment.

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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

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