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Derivatives and Hedging Instruments - Fair Value of Derivative Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Interest rate cap contracts    
Derivative [Line Items]    
Interest rate derivative - assets $ 727 $ 659
Interest rate swap agreements    
Derivative [Line Items]    
Interest rate swap agreements - liabilities (2,501) (5,232)
Cross-currency swap agreements    
Derivative [Line Items]    
Interest rate derivative - assets   11,578
Interest rate swap agreements - liabilities (968)  
Derivatives Designated as Hedging Instruments | Interest rate cap contracts | Other assets    
Derivative [Line Items]    
Interest rate derivative - assets 727 659
Derivatives Designated as Hedging Instruments | Interest rate swap agreements | Other liabilities    
Derivative [Line Items]    
Interest rate swap agreements - liabilities (2,501) (5,232)
Derivatives Designated as Hedging Instruments | Cross-currency swap agreements | Other assets    
Derivative [Line Items]    
Cross-currency swap agreements   $ (11,578)
Derivatives Designated as Hedging Instruments | Cross-currency swap agreements | Other liabilities    
Derivative [Line Items]    
Cross-currency swap agreements $ 968