Derivatives and Hedging Activities, Effect of Cash Flow Hedge Accounting on Accumulated Other Comprehensive Income (Details) - Interest Rate Swaps [Member] - Designated as Hedging Instrument [Member] - Cash Flow Hedges [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Income (Expense), Net [Member]
Derivatives and Hedging Activities [Abstract]
Gain (loss) reclassified from accumulated other comprehensive loss into income	$ (18)	$ (27)
Other Comprehensive Income [Member]
Derivatives and Hedging Activities [Abstract]
Gain (loss) recognized in OCI	$ 8,057	$ 3,879