Agreements and Transactions with Related Parties - Loans Outstanding to Related Party (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction
Line of credit, maximum borrowing amount	$ 2,350,000,000
Loans receivable from related party	46,269,000	$ 56,098,000
Affiliated Entity \| CESH
Related Party Transaction
Line of credit, maximum borrowing amount	65,000,000
Loans receivable from related party	$ 46,269,000	14,461,000
Affiliated Entity \| CESH \| LIBOR
Related Party Transaction
Debt instrument, basis spread on variable rate	1.00%
Affiliated Entity \| CWI 1
Related Party Transaction
Line of credit, maximum borrowing amount	$ 25,000,000
Loans receivable from related party	0	41,637,000
Affiliated Entity \| CPA:18 – Global
Related Party Transaction
Line of credit, maximum borrowing amount	50,000,000
Loans receivable from related party	0	0
Affiliated Entity \| CWI 2
Related Party Transaction
Line of credit, maximum borrowing amount	25,000,000
Loans receivable from related party	$ 0	$ 0

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

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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 210.9-03.7(e))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ 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.

+ Details

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- Details

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- Details

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- Details

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- Details

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