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Real Estate Investments (Details) $ in Thousands, ft² in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) ft² property item site state | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) ft² property site state item | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) ft²
Real Estate Investments |  |  |  |  |
Number of Real Estate Properties | 1,338 |  | 1,338 |  | 1,129
Land Subject to Ground Leases | ft² | 27.7 |  | 27.7 |  | 22.7
Net Real Estate Investments | $ 4,114,047 |  | $ 4,114,047 |  | $ 3,304,179
Retail Net Lease Assets Purchased | item | 80 |  | 219 |  |
Payments to Acquire Property, Plant, and Equipment | $ 340,600 |  | $ 1,075,100 |  |
Number Of States Properties Located | state | 28 |  | 40 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in year) | 10 years 8 months 12 days |  | 11 years 10 months 24 days |  |
Payments to Acquire Land Held-for-use |  |  | $ 364,600 |  |
Payments for Capital Improvements |  |  | 485,800 |  |
Payments to Acquire Intangible Assets |  |  | 215,900 |  |
Payments to Acquire Other Productive Assets |  |  | $ 8,800 |  |
Number Of Development And Partner Capital Solutions Projects Completed | site | 1 |  | 4 |  |
Number of Development and Partner Capital Solutions Projects Construction | site |  |  | 3 |  |
Number of properties sold | property | 3 |  | 13 |  |
Proceeds from Sale of Real Estate | $ 11,500 |  | $ 46,800 |  |
Gains on Sales of Investment Real Estate | 3,500 |  | 13,200 |  |
Provision for impairment | $ 0 | $ 2,868 | $ 0 | $ 3,996 |

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- Definition Represents the number of properties sold. + References No definition available. + Details
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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(9)(a)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123605587&loc=d3e23528-158515 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(7)(c)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(14)(d)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123605564&loc=d3e23439-158514 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123605564&loc=d3e23415-158514 + 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=120400017&loc=d3e572229-122910 + Details
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