Fair Value Measurements (Details 1) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Impaired loans:
Impaired loans	$ 31,300	$ 28,868
Other real estate owned	2,498	3,691
Total assets measured at fair value on a nonrecurring basis	33,798	32,559
Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Other real estate owned	0	0
Total assets measured at fair value on a nonrecurring basis	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	31,300	28,868
Other real estate owned	2,498	3,691
Total assets measured at fair value on a nonrecurring basis	33,798	32,559
Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Other real estate owned	0	0
Total assets measured at fair value on a nonrecurring basis	0	0
Construction [Member]
Impaired loans:
Impaired loans	11,704	10,026
Construction [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Construction [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	11,704	10,026
Construction [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Residential Real Estate [Member]
Impaired loans:
Impaired loans	10,390	9,304
Residential Real Estate [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Residential Real Estate [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	10,390	9,304
Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Commercial Real Estate [Member]
Impaired loans:
Impaired loans	8,875	9,230
Commercial Real Estate [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Commercial Real Estate [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	8,875	9,230
Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Commercial [Member]
Impaired loans:
Impaired loans	208	187
Commercial [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Commercial [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	208	187
Commercial [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Consumer [Member]
Impaired loans:
Impaired loans	123	121
Consumer [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Consumer [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired loans:
Impaired loans	123	121
Consumer [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	$ 0	$ 0