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v3.5.0.2

Subsequent Events (Details) |  | 9 Months Ended
--- | --- | ---
Oct. 07, 2016 USD ($) ft² | Sep. 30, 2016 USD ($) ft² | Sep. 30, 2015 USD ($) ft²
Subsequent Event [Line Items] |  |  |
Area of real estate property (in square feet) | ft² |  | 820,587 | 483,862
Payments to purchase office building |  | $ 307,919,000 | $ 1,804,596,000
Subsequent Event | Hill7 Office Development | Secured Debt |  |  |
Subsequent Event [Line Items] |  |  |
Face amount | $ 101,000,000.0 |  |
Debt instrument, stated interest rate (as a percent) | 3.38% |  |
Debt instrument term | 10 years |  |
Debt instrument, extension period | 2 years |  |
Subsequent Event | Hill7 Office Development |  |  |
Subsequent Event [Line Items] |  |  |
Area of real estate property (in square feet) | ft² | 285,680 |  |
Payments to purchase office building | $ 179,800,000 |  |

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- Definition Debt Instrument, Extension Period + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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