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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
Cash Flow Hedging | Designated as Hedging Instrument    
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 | Cash Flow Hedging | Designated as Hedging Instrument    
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 | Cash Flow Hedging | Designated as Hedging Instrument | 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%, Swap | Cash Flow Hedging | Designated as Hedging Instrument | LIBOR    
Derivative [Line Items]    
Notional amount   125,000,000
Payment of termination settlement fee   $ 20,300,000