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Investments in Real Estate and Real Estate Under Construction - Summary of development arrangements outstanding (Details) ft² in Thousands, $ in Thousands | 6 Months Ended
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Jun. 30, 2016 USD ($) ft²
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Square Feet | ft² | 1,030
Expected Maximum Commitment/Contribution | $ 265,609
Joint Venture [Member] |
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Ownership percentage | 100.00%
Lake Jackson, Texas [Member] | Office Building [Member] |
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Square Feet | ft² | 664
Expected Maximum Commitment/Contribution | $ 166,164
Lease Term (Years) | 20 years
Charlotte, North Carolina [Member] | Office Building [Member] |
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Square Feet | ft² | 201
Expected Maximum Commitment/Contribution | $ 62,445
Lease Term (Years) | 15 years
Charlotte, North Carolina [Member] | Office Building [Member] | LCIF [Member] |
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Square Feet | ft² | 201
Expected Maximum Commitment/Contribution | $ 62,445
Lease Term (Years) | 15 years
Investment in real estate under construction | $ 24,166
Opelika, Alabama [Member] | Industrial Property [Member] |
Investments in Real Estate and Real Estate Under Construction [Line Items] |
Square Feet | ft² | 165
Expected Maximum Commitment/Contribution | $ 37,000
Lease Term (Years) | 25 years

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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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 -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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