Fair Value (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Impaired loans
Total impaired loans	$ 5,975	$ 7,791
Mortgage servicing rights	954	1,034
Real estate held for sale
Total real estate held for sale	408	739
One To Four Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	408	419
Multi Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	107	269
Commercial Real Estate [Member]
Impaired loans
Total impaired loans	5,304	6,665
Real estate held for sale
Total real estate held for sale	342	739
Home Equity and Improvement [Member]
Impaired loans
Total impaired loans	95	98
Residential Mortgage [Member]
Real estate held for sale
Total real estate held for sale	66	0
Commercial Loan [Member]
Impaired loans
Total impaired loans	61	340
Fair Value, Inputs, Level 1 [Member]
Impaired loans
Total impaired loans	0	0
Mortgage servicing rights	0	0
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 1 [Member] | One To Four Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 1 [Member] | Multi Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 1 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 1 [Member] | Home Equity and Improvement [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 1 [Member] | Residential Mortgage [Member]
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 1 [Member] | Commercial Loan [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans
Total impaired loans	0	0
Mortgage servicing rights	954	1,034
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 2 [Member] | One To Four Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 2 [Member] | Multi Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans	0	0
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 2 [Member] | Home Equity and Improvement [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 2 [Member] | Residential Mortgage [Member]
Real estate held for sale
Total real estate held for sale	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial Loan [Member]
Impaired loans
Total impaired loans	0	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans
Total impaired loans	5,975	7,791
Mortgage servicing rights	0	0
Real estate held for sale
Total real estate held for sale	408	739
Fair Value, Inputs, Level 3 [Member] | One To Four Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	408	419
Fair Value, Inputs, Level 3 [Member] | Multi Family Residential Real Estate [Member]
Impaired loans
Total impaired loans	107	269
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member]
Impaired loans
Total impaired loans	5,304	6,665
Real estate held for sale
Total real estate held for sale	342	739
Fair Value, Inputs, Level 3 [Member] | Home Equity and Improvement [Member]
Impaired loans
Total impaired loans	95	98
Fair Value, Inputs, Level 3 [Member] | Residential Mortgage [Member]
Real estate held for sale
Total real estate held for sale	66	0
Fair Value, Inputs, Level 3 [Member] | Commercial Loan [Member]
Impaired loans
Total impaired loans	$ 61	$ 340