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Derivative Instruments and Hedging Activities - Interest Rate Swap Agreements (Detail) - Interest rate swap agreements
$ in Thousands
6 Months Ended
Jun. 30, 2020
USD ($)
interest_rate_swaps
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (84,553)
Derivative, Number of Instruments Held | interest_rate_swaps 3
LIBOR  
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (77,586)
Weighted-Average Remaining Term (Years) 4 years 2 months 12 days
Derivative, Fixed Interest Rate 3.00%
Derivative, Notional Amount $ 847,832
EURIBOR  
Derivative [Line Items]  
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net $ (6,967)
Weighted-Average Remaining Term (Years) 3 years 2 months 12 days
Derivative, Fixed Interest Rate 3.90%
Derivative, Notional Amount $ 70,220
Minimum [Member]  
Derivative [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 0.30%
Maximum  
Derivative [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 3.95%