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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Net Investment in Real Estate | $ 2,792,668 | $ 2,705,826
Real Estate and Other Assets Held for Sale, Accumulated Depreciation and Amortization | 6,056 | 0
Mortgage Loans Payable, Net | $ 299,978 | $ 450,056
Common Stock, par value | $ 0.01 | $ 0.01
Common Stock, shares authorized | 225,000,000 | 225,000,000
Common Stock, shares issued | 125,984,144 | 119,883,180
Common Stock, shares outstanding | 125,984,144 | 119,883,180
First Industrial, L.P. |  |
Net Investment in Real Estate | $ 2,792,668 | $ 2,705,826
Real Estate and Other Assets Held for Sale, Accumulated Depreciation and Amortization | 6,056 | 0
Mortgage Loans Payable, Net | $ 299,978 | $ 450,056
General Partner Units, units outstanding | 125,984,144 | 119,883,180
Limited Partner Units, units outstanding | 2,955,211 | 4,008,221
Other Real Estate Partnerships |  |
Net Investment in Real Estate | $ 266,260 | $ 270,708
Mortgage Loans Payable, Net | $ 20,723 | $ 61,256

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- Definition The cumulative amount of depreciation and amortization for the carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References No definition available. + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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