Fair Value of Assets and Liabilities - Non-recurring (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Non-recurring basis
Assets
Foreclosed assets	$ 18
Total Losses for assets measured at fair value on a non-recurring basis
Year to Date Losses/(Recoveries)	18
Fair Value, Net Asset (Liability) [Abstract]
Assets and liabilities measured at fair value		$ 0
Transfers between level 1 and level 2
Assets transfer from Level 1 to level 2	0	0
Assets transfer from Level 2 to level 1	0	0
Non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Foreclosed assets	70
Total assets measured on a non-recurring basis	70
Non-recurring basis | Assets At Fair Value
Assets
Foreclosed assets	70
Total assets measured on a non-recurring basis	70
Recurring basis
Liabilities, Fair Value Disclosure [Abstract]
Liabilities measured at fair value		0
Transfers between level 1 and level 2
Assets transfer from Level 1 to level 2	0	0
Assets transfer from Level 2 to level 1	0	0
Recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Net Asset (Liability) [Abstract]
Assets and liabilities measured at fair value	$ 0	$ 0