Related Party Transaction, Annual Management Fee, Rate

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- Definition

Related Party Transaction, Extension Period

+ References

No definition available.

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- Definition

Related Party Transaction, Termination Fee Calculation Period

+ References

No definition available.

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- Definition

Related Party Transaction, Termination Vote Threshold Rate, Percentage

+ References

No definition available.

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- Definition

Related Party Transaction, Voting Requirement to Termination Management Agreement, Percentage

+ References

No definition available.

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- Definition

Related party Transaction, Termination Notice Period

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Publisher FASB
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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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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Related Party Transactions (Details) - USD ($)	3 Months Ended
Related Party Transactions (Details) - USD ($)	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2014
Related Party Transaction [Line Items]
Related party expenses	$ 8,092,000	$ 7,432,000
Base management fees incurred but not yet paid	$ 8,092,000		$ 8,168,000
Limited Liability Company [Member]
Related Party Transaction [Line Items]
Rate of management fees	1.50%
Extension period	1 year
Voting requirement to termination management agreement, percentage	66.66%
Period of termination	180 days
Termination vote threshold rate, percentage	300.00%
Termination fee calculation period	24 months
Limited Liability Company [Member] \| Management Fees [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 8,100,000	7,400,000
Base management fees incurred but not yet paid	8,100,000	7,400,000
Limited Liability Company [Member] \| Reimbursements [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 600,000	$ 100,000
Champ Limited Partnership [Member] \| Subsidiaries [Member]
Related Party Transaction [Line Items]
Indirect ownership interest from limited partnership						59.00%
KBC Bank Deutschland AG [Member] \| Champ LP [Member]
Related Party Transaction [Line Items]
Indirect ownership interest from limited partnership						35.00%
Residential Condominium [Member] \| Pre-development Mezzanine Loan [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Original face amount				$ 300,000,000.0
Commercial Mortgage Portfolio Segment [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Original face amount				125,000,000.0	$ 100,000,000.0
Commercial Mortgage Portfolio Segment [Member] \| Residential Condominium [Member] \| Pre-development Mezzanine Loan [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Original face amount				$ 25,000,000.0	$ 25,000,000.0