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v3.19.2

Debt - Mortgage Payable - Additional Information (Details) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 USD ($) property loan | Dec. 31, 2018 USD ($) property
Debt Instrument [Line Items] |  |
Unsecured line of credit | $ 39,000,000 |
Mortgages |  |
Debt Instrument [Line Items] |  |
Scheduled principal payment | $ 3,200,000 |
Number of properties collateralized | property | 44 | 43
Interest Rate Swaps |  |
Debt Instrument [Line Items] |  |
Derivative, notional amount | $ 156,000,000.0 |
Derivative weighted average interest rate | 2.43% |
Interest Rate Swaps | Mortgages |  |
Debt Instrument [Line Items] |  |
Derivative, notional amount | $ 91,500,000 |
Derivative weighted average interest rate | 2.74% |
Fund Portfolio | Mortgages |  |
Debt Instrument [Line Items] |  |
Number of mortgage loans | loan | 4 |
Borrowings, amount | $ 118,300,000 |
Fund IV | Mortgages |  |
Debt Instrument [Line Items] |  |
Borrowings, amount | 23,800,000 |
Unsecured line of credit | 18,900,000 |
Repayments of debt | 38,200,000 |
Decrease in future availability of mortgage loan | 3,900,000 |
Fund IV | BSP I | Mortgages |  |
Debt Instrument [Line Items] |  |
Increase (decrease) in mortgage loans | 9,400,000 |
Fund IV | 717 North Michigan Avenue | Mortgages |  |
Debt Instrument [Line Items] |  |
Increase (decrease) in mortgage loans | (9,900,000) |
Fund III | Mortgages |  |
Debt Instrument [Line Items] |  |
Repayments of debt | 4,700,000 |
Fund III | Construction Loans |  |
Debt Instrument [Line Items] |  |
Unsecured line of credit | 5,900,000 |
Core Portfolio |  |
Debt Instrument [Line Items] |  |
Derivative, notional amount | 587,574,000 |
Core Portfolio | Mortgages |  |
Debt Instrument [Line Items] |  |
Prepayment of line of credit | 49,000,000.0 |
Core Portfolio | Mortgages | Brandywine Portfolio |  |
Debt Instrument [Line Items] |  |
Debt default, amount | $ 26,300,000 | $ 26,300,000
Interest rate, stated percentage | 6.00% |
Debt default interest | 5.00% |
Interest owner percentage in property | 22.00% |
LIBOR | Mortgages |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.75% |
LIBOR | Fund Portfolio | Mortgages |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.64% |
LIBOR | Fund IV | Mortgages |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 2.35% |
LIBOR | Fund IV | Variable Rate Debt | Mortgages |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 3.10% |
LIBOR | Fund III | Mortgages |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 0.50% |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Footnote 3 -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 3)) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Definition Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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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=6877327&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=6876686&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=6879938&loc=d3e572229-122910 + Details
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