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Real Estate - Acquisitions (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 | Aug. 31, 2019 | May 31, 2019 | Feb. 28, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Real Estate Properties [Line Items] |  |  |  |  |  |
Acquisitions of real estate assets |  |  | $ 56,700 |  | $ 0 | $ 240,487
SAFE |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Ground lease term (in years) | 99 years | 99 years |  | 98 years |  | 99 years
Net Lease Asset |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Acquisitions of real estate assets |  |  |  |  |  | $ 11,500
Leasehold Interest | SAFE |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Acquisitions of real estate assets |  |  |  |  |  | 98,200
Net Lease Asset Two |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Acquisitions of real estate assets |  |  |  |  |  | $ 110,600

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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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