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Real Estate (Schedule of Real Estate Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |
Real estate, net | $ 1,771,019 |  | $ 1,282,031
Real estate available and held for sale | 22,551 |  | 68,588
Total real estate | 1,793,570 |  | 1,350,619
Net Lease |  |  |
Real Estate Properties [Line Items] |  |  |
Land, at cost | 336,740 |  | 219,092
Buildings and improvements, at cost | 1,487,270 |  | 888,959
Less: accumulated depreciation | (287,516) |  | (292,268)
Real estate, net | 1,536,494 |  | 815,783
Real estate available and held for sale | 1,055 |  | 0
Total real estate | 1,537,549 |  | 815,783
Net Lease | Net Lease Venture |  |  |
Real Estate Properties [Line Items] |  |  |
Real estate, net |  | $ 743,600 |
Operating Properties |  |  |
Real Estate Properties [Line Items] |  |  |
Land, at cost | 133,599 |  | 203,278
Buildings and improvements, at cost | 118,724 |  | 318,107
Less: accumulated depreciation | (17,798) |  | (55,137)
Real estate, net | 234,525 |  | 466,248
Real estate available and held for sale | 21,496 |  | 68,588
Total real estate | 256,021 |  | 534,836
Real Estate Properties |  |  |
Real Estate Properties [Line Items] |  |  |
Land, at cost | 470,339 |  | 422,370
Buildings and improvements, at cost | 1,605,994 |  | 1,207,066
Less: accumulated depreciation | (305,314) |  | (347,405)
Real estate, net | 1,771,019 |  | 1,282,031
Real estate available and held for sale | 22,551 |  | 68,588
Total real estate | 1,793,570 |  | 1,350,619
Residential Operating Properties |  |  |
Real Estate Properties [Line Items] |  |  |
Real estate available and held for sale | $ 20,600 |  | $ 48,500

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- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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- 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://fasb.org/us-gaap/role/ref/legacyRef -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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