Derivative Financial Instruments - Effect of Derivative Financial Instruments on Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	$ (16)	$ (145)	$ 42	$ (1,459)
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Products
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	$ (16)	$ (145)	$ 42	$ (1,459)