Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 04, 2019	Apr. 13, 2017	Aug. 24, 2015	Dec. 30, 2014	Oct. 15, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional Amount of Interest Rate Cash Flow Hedge Derivatives					$ 50,000	$ 25,000	$ 25,000	$ 25,000	$ 25,000
Interest expense on derivatives	$ 176	$ 148	$ 358	$ 152