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Mortgage Loans on Real Estate (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Mortgage Loans On Real Estate [Line Items] |
Prior Liens | $ 1,017,694
Face Amount of Mortgages | 402,174
Carrying Amount of Mortgages | 297,451
Principal Amount of Loans Subject to Delinquent Principal or Interest | 0
Mezzanine Loans [Member] | Retail [Member] |
Mortgage Loans On Real Estate [Line Items] |
Prior Liens | 64,500
Face Amount of Mortgages | 19,540
Carrying Amount of Mortgages | 19,675
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 0
Mezzanine Loans [Member] | Retail [Member] | Borrower A [Member] |
Mortgage Loans On Real Estate [Line Items] |
Interest Rate | 9.00%
Final Maturity Date | 2023-06
Periodic Payment Terms | I
Prior Liens | $ 20,500
Face Amount of Mortgages | 7,500
Carrying Amount of Mortgages | 7,541
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 0
Mezzanine Loans [Member] | Retail [Member] | Borrower B [Member] |
Mortgage Loans On Real Estate [Line Items] |
Interest Rate | 9.00%
Final Maturity Date | 2019-06
Periodic Payment Terms | I
Prior Liens | $ 44,000
Face Amount of Mortgages | 12,040
Carrying Amount of Mortgages | 12,134
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 0
Investments in and Advances to Joint Ventures [Member] | Borrower C [Member] |
Mortgage Loans On Real Estate [Line Items] |
Interest Rate | 8.50%
Final Maturity Date | 2021-10
Periodic Payment Terms | QI
Prior Liens | $ 759,894
Face Amount of Mortgages | 300,000
Carrying Amount of Mortgages | 220,656
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 0
Investments in and Advances to Joint Ventures [Member] | Borrower D [Member] |
Mortgage Loans On Real Estate [Line Items] |
Interest Rate | 8.50%
Final Maturity Date | 2022-12
Periodic Payment Terms | QI
Prior Liens | $ 193,300
Face Amount of Mortgages | 82,634
Carrying Amount of Mortgages | 57,120
Principal Amount of Loans Subject to Delinquent Principal or Interest | $ 0

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- Definition The carrying amount of the outstanding balance due under the mortgage loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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- Definition The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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- Definition Description of the contractual payment terms of the loan receivable including whether principal and interest is payable at a level or varying amount over the life of the loan, the amount of any balloon payment required at maturity, and any prepayment penalties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.5) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Definition Amount of principal due on loans that have been delinquent, which may exclude loans having interest delinquent for three months or less, as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.10(a)) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Definition Amount of prior lien on the real estate that secures the mortgage loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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