Derivative Instruments and Hedging Activities - Non-hedge Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Estimated Fair Value, Asset	$ 3,749	$ 284
Estimated Fair Value, Liability	(7,969)	(902)
Interest Rate Swap | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Notional Amount, Asset	49,983	7,140
Notional Amount, Liability	49,983	7,140
Notional Amount	99,966	14,280
Estimated Fair Value, Asset	3,749	150
Estimated Fair Value, Liability	$ (3,749)	$ (150)