Derivative Instruments and Hedging Activities - Interest Rate Swap Agreements (Detail) - Interest rate swap agreements $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($) interest_rate_swaps
Derivative [Line Items]
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ (79,747)
Derivative, Number of Instruments Held \| interest_rate_swaps	3
LIBOR
Derivative [Line Items]
Derivative, Notional Amount	$ 821,196
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ (73,352)
Weighted-Average Remaining Term (Years)	4 years
Derivative, Fixed Interest Rate	3.00%
EURIBOR
Derivative [Line Items]
Derivative, Notional Amount	$ 70,577
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ (6,395)
Weighted-Average Remaining Term (Years)	2 years 10 months 24 days
Derivative, Fixed Interest Rate	3.90%
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%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 815
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-Section 50
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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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- Definition

Fair value as of the balance sheet date of all derivatives not designated as hedging instruments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

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