Derivative Instruments and Hedging Activities - Fair Value of Derivative Financial Instruments and Classification on Consolidated Balance Sheet (Details) - Designated as hedging instrument - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 0	$ 743
Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	13,058	3,436
Interest rate swap contracts | Other assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	743
Interest rate swap contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 13,058	$ 3,436