Financial Instruments and Fair Values - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Interest rate swap agreements liability	$ 25,308,000	$ 8,849,000
Designated as hedging instrument | Cash flow hedging
Derivative [Line Items]
Loss expected to be reclassified within twelve months	10,700,000
Interest Rate Swap and Interest Rate Cap
Derivative [Line Items]
Interest rate swap agreements liability	26,700,000
Interest Rate Swap and Interest Rate Cap | Designated as hedging instrument | Cash flow hedging
Derivative [Line Items]
Aggregate notional value	451,300,000	265,000,000
Net unrealized gains (losses) on valuation of interest rate swap agreements	12,000,000	(10,500,000)
Interest Rate Swap and Interest Rate Cap | Designated as hedging instrument | Cash flow hedging | Accounts payable and accrued expenses
Derivative [Line Items]
Interest rate swap agreements liability	$ 25,300,000	8,800,000
Interest Rate Swap, Three Month LIBOR, 2.9580% | Designated as hedging instrument | Cash flow hedging | LIBOR
Derivative [Line Items]
Notional amount		125,000,000
Payment of termination settlement fee		$ 20,300,000