Fair Value of Financial Instruments - Hierarchy Table - Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Fair Value Disclosures
Other real estate owned	$ 1,161	$ 1,161	$ 997
Non-recurring basis
Fair Value Disclosures
Collateral dependent impaired loans	1,593		2,742
Other real estate owned	1,161		997
Total assets	2,754		3,739
Non-recurring basis | Level 1
Fair Value Disclosures
Collateral dependent impaired loans	0		0
Other real estate owned	0		0
Total assets	0		0
Non-recurring basis | Level 2
Fair Value Disclosures
Collateral dependent impaired loans	0		0
Other real estate owned	0		0
Total assets	0		0
Non-recurring basis | Level 3
Fair Value Disclosures
Collateral dependent impaired loans	1,593		2,742
Other real estate owned	1,161		997
Total assets	$ 2,754		$ 3,739