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Real Estate (Tables) | 6 Months Ended
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Jun. 30, 2018
Real Estate [Abstract] |
Schedule of real estate assets | The Company's real estate assets were comprised of the following ($ in thousands):
| Net Lease(1) |  | Operating Properties |  | Total
As of June 30, 2018 |  |  |  |  |
Land, at cost | $ | 335,926 |  |  | $ | 181,973 |  |  | $ | 517,899 |
Buildings and improvements, at cost | 1,495,393 |  |  | 242,245 |  |  | 1,737,638 |
Less: accumulated depreciation | (298,730 | ) |  | (41,808 | ) |  | (340,538 | )
Real estate, net | 1,532,589 |  |  | 382,410 |  |  | 1,914,999 |
Real estate available and held for sale (2) | — |  |  | 37,597 |  |  | 37,597 |
Total real estate | $ | 1,532,589 |  |  | $ | 420,007 |  |  | $ | 1,952,596 |
As of December 31, 2017 |  |  |  |  |
Land, at cost | $ | 219,092 |  |  | $ | 203,278 |  |  | $ | 422,370 |
Buildings and improvements, at cost | 888,959 |  |  | 318,107 |  |  | 1,207,066 |
Less: accumulated depreciation | (292,268 | ) |  | (55,137 | ) |  | (347,405 | )
Real estate, net | 815,783 |  |  | 466,248 |  |  | 1,282,031 |
Real estate available and held for sale (2) | — |  |  | 68,588 |  |  | 68,588 |
Total real estate | $ | 815,783 |  |  | $ | 534,836 |  |  | $ | 1,350,619 |
_______________________________________________________________________________
(1) | On June 30, 2018, the Company consolidated the Net Lease Venture (refer to Note 7) and recorded $743.6 million to "Real estate, net" on the Company's consolidated balance sheet.
(2) | As of June 30, 2018 and December 31, 2017, the Company had $36.7 million and $48.5 million, respectively, of residential condominiums available for sale in its operating properties portfolio.
Schedule of income (loss) from discontinued operations | The transactions described above involving the Company's Ground Lease business qualified for discontinued operations and the following table summarizes income from discontinued operations for the three and six months ended June 30, 2017 ($ in thousands)(1)(2):
|  | Three Months Ended June 30, 2017 |  | Six Months Ended June 30, 2017
Revenues |  | $ | 678 |  |  | $ | 5,922 |
Expenses |  | (505 | ) |  | (1,491 | )
Income from sales of real estate |  | — |  |  | 508 |
Income from discontinued operations |  | $ | 173 |  |  | $ | 4,939 |
_______________________________________________________________________________
(1) | The transactions closed on April 14, 2017. Revenues primarily consisted of operating lease income and expenses primarily consisted of depreciation and amortization and real estate expense.
(2) | For the six months ended June 30, 2017, cash flows provided by operating activities and cash flows used in investing activities from discontinued operations was $5.7 million and $0.5 million, respectively.
Schedule of other dispositions | The following table presents the net proceeds and income recognized for properties sold, by property type ($ in millions):
|  | Six Months Ended June 30,
|  | 2018 |  | 2017
Operating Properties |  |  |  |
Proceeds(1) |  | $ | 196.2 |  |  | $ | 17.6 |
Income from sales of real estate(1) |  | 49.0 |  |  | 2.7 |
Net Lease |  |  |  |
Proceeds(2) |  | $ | 38.4 |  |  | $ | 19.5 |
Income from sales of real estate(2) |  | 24.9 |  |  | 6.2 |
Total |  |  |  |
Proceeds |  | $ | 234.6 |  |  | $ | 37.1 |
Income from sales of real estate |  | 73.9 |  |  | 8.9 |
_______________________________________________________________________________
(1) | During the six months ended June 30, 2018, the Company sold four operating properties and recognized $49.0 million of gains in "Income from sales of real estate" in the Company's consolidated statements of operations, of which $9.8 million was attributable to a noncontrolling interest at one of the properties.
(2) | During the six months ended June 30, 2018, the Company sold three net lease assets and recognized $24.9 million of gains in "Income from sales of real estate" in the Company's consolidated statements of operations.

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- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721665-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1474-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=84176398&loc=SL51724579-110230 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721663-107760 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721671-107760 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5D -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760 + Details
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