Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Impaired loans:
Impaired loans	$ 42,281	$ 39,931
Loans held for sale	0	3,521
Other real estate owned	4,672	3,779
Total assets measured at fair value on a nonrecurring basis	46,953	47,231
Fair Value, Inputs, Level 1 [Member]
Impaired loans:
Impaired loans	0	0
Loans held for sale	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	42,281	39,931
Loans held for sale	0	3,521
Other real estate owned	4,672	3,779
Total assets measured at fair value on a nonrecurring basis	46,953	47,231
Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Loans held for sale	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	9,176	5,365
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	9,176	5,365
Construction [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Residential Real Estate [Member]
Impaired loans:
Impaired loans	19,533	19,463
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	19,533	19,463
Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Commercial Real Estate [Member]
Impaired loans:
Impaired loans	12,786	14,418
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	12,786	14,418
Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Commercial [Member]
Impaired loans:
Impaired loans	771	642
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	771	642
Commercial [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	0	0
Consumer [Member]
Impaired loans:
Impaired loans	15	43
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	15	43
Consumer [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired loans	$ 0	$ 0