Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details 2) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Assets Measured on a Nonrecurring Basis:
Impaired loans	$ 6,795		$ 7,101
Other real estate owned	4,488		4,863
Other real estate owned, adjustment	375	$ 141
Level 3 [Member]
Assets Measured on a Nonrecurring Basis:
Other real estate owned	4,488		4,863
Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis:
Impaired loans	2,158		7,769
Impaired loans, adjustment	354		71
Other real estate owned	2,668		1,820
Other real estate owned, adjustment	375		141
Nonrecurring [Member] | Level 3 [Member]
Assets Measured on a Nonrecurring Basis:
Impaired loans	2,158		7,769
Other real estate owned	$ 2,668		$ 1,820