Derivative Instruments and Hedging Activities Narrative (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) Contract	Dec. 31, 2017 USD ($)
Derivative [Line Items]
Current Notional Amount		$ 332,813
Payments for Termination of Derivative Instrument		13,159	$ 0	$ 0
Interest Rate Swap
Derivative [Line Items]
Number of Interest Rate Derivatives Held | Contract			3
Current Notional Amount			$ 200,000
Payments for Termination of Derivative Instrument	$ 13,200
Interest Rate Swap 1.2570% Due October 2022
Derivative [Line Items]
Current Notional Amount		37,500
Interest Rate Swap 1.4685% Due June 2022
Derivative [Line Items]
Current Notional Amount		100,000
Interest Rate Swap 1.4203% Due June 2022
Derivative [Line Items]
Current Notional Amount		$ 100,000