Secured Debt Agreements, Net - Schedule of Secured Credit Facilities (Detail) - Secured Debt [Member] $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($) Countries
Schedule Of Secured Credit Facilities [Line Items]
Lenders \| Countries	12
Borrowings \| $	$ 8,729,281
Wtd Avg. Maturity	Aug. 16, 2024
Loan Count \| Countries	113
Collateral \| $	$ 13,222,033
Wtd Avg. Maturity	Sep. 14, 2024
Recourse Limitation Wtd. Avg.	34.00%
Minimum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	25.00%
Maximum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	100.00%
USD [Member]
Schedule Of Secured Credit Facilities [Line Items]
Lenders \| Countries	12
Borrowings \| $	$ 4,589,729
Wtd Avg. Maturity	Aug. 01, 2024
Loan Count \| Countries	88
Collateral \| $	$ 7,437,101
Wtd Avg. Maturity	Sep. 20, 2024
Recourse Limitation Wtd. Avg.	29.00%
USD [Member] \| Minimum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	25.00%
USD [Member] \| Maximum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	100.00%
EUR [Member]
Schedule Of Secured Credit Facilities [Line Items]
Lenders \| Countries	6
Borrowings \| $	$ 2,457,542
Wtd Avg. Maturity	Jul. 18, 2024
Loan Count \| Countries	9
Collateral \| $	$ 3,258,275
Wtd Avg. Maturity	Jun. 27, 2024
Recourse Limitation Wtd. Avg.	49.00%
EUR [Member] \| Minimum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	25.00%
EUR [Member] \| Maximum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	100.00%
GBP [Member]
Schedule Of Secured Credit Facilities [Line Items]
Lenders \| Countries	6
Borrowings \| $	$ 986,145
Wtd Avg. Maturity	Jul. 08, 2024
Loan Count \| Countries	11
Collateral \| $	$ 1,630,785
Wtd Avg. Maturity	Sep. 30, 2024
Recourse Limitation Wtd. Avg.	27.00%
GBP [Member] \| Minimum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	25.00%
GBP [Member] \| Maximum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	50.00%
Other Currencies [Member]
Schedule Of Secured Credit Facilities [Line Items]
Lenders \| Countries	4
Borrowings \| $	$ 695,865
Wtd Avg. Maturity	May 05, 2025
Loan Count \| Countries	5
Collateral \| $	$ 895,872
Wtd Avg. Maturity	Apr. 13, 2025
Recourse Limitation Wtd. Avg.	27.00%
Other Currencies [Member] \| Minimum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	25.00%
Other Currencies [Member] \| Maximum [Member]
Schedule Of Secured Credit Facilities [Line Items]
Recourse Limitation Range	100.00%

Debt instrument range of recourse limitation.

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- Definition

Debt instrument weighted average recourse limitation.

+ References

No definition available.

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- Definition

Number of lenders.

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No definition available.

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- Definition

Number of loans count.

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- Definition

Schedule Of Secured Credit Facilities [Line Item]

+ References

No definition available.

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- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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Period Type:	instant

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