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Reporting Segments and Related Information - Revenue Components of Real Estate Segments (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | $ 35,657 | $ 45,577 | $ 51,147
Equity in earnings of unconsolidated joint ventures, net |  | 4,227 | 7,098 | 6,324
Proceeds from sale of building and land | $ 4,700 |  |  |
Gain recognized on sale of building and land | $ 1,044 |  |  |
Segment profits |  | 7,544 | 7,906 | 3,196
Operating Segments |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 35,657 | 45,577 | 51,147
Segment profits |  | (2,597) | (4,644) | (9,612)
Operating Segments | Real estate - commercial/industrial |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 9,403 | 9,438 | 8,272
Revenues and Income (Loss) from Equity Method Investments |  | 13,630 | 16,536 | 14,596
Segment profits |  | (2,874) | (2,338) | (1,578)
Operating Segments | Real estate - commercial/industrial | Pastoria Energy Facility Lease |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 3,854 | 3,612 | 3,694
Operating Segments | Real estate - commercial/industrial | TRCC Leasing |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 1,748 | 1,647 | 1,421
Operating Segments | Real estate - commercial/industrial | TRCC management fees and reimbursements |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 1,083 | 955 | 786
Operating Segments | Real estate - commercial/industrial | Commercial leases |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 652 | 917 | 851
Operating Segments | Real estate - commercial/industrial | Communication leases |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 808 | 806 | 784
Operating Segments | Real estate - commercial/industrial | Landscaping and other |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 783 | 791 | 736
Operating Segments | Real estate - commercial/industrial | Land Sale |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment revenues |  | 475 | 710 | 0
Operating Segments | Real estate - resort/residential |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Segment profits |  | $ 1,955 | $ 1,630 | $ 2,349

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- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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