Derivative Instruments (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Derivative [Line Items]
Derivative, Notional Amount1	$ 7,234
DerivativeAssetFairValueGrossAsset	52
Derivative Asset, Fair Value, Gross Liability	52
Derivative, Interest Rate Swap, Pay Fixed, Receive Variable [Member]
Derivative [Line Items]
Derivative, Notional Amount1	3,617
DerivativeAssetFairValueGrossAsset	0
Derivative Asset, Fair Value, Gross Liability	52
Derivative, Interest Rate Swap, Pay Variable, Receive Fixed [Member]
Derivative [Line Items]
Derivative, Notional Amount1	3,617
DerivativeAssetFairValueGrossAsset	52
Derivative Asset, Fair Value, Gross Liability	$ 0