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Leases - Direct Financing Lease Sale and Conversion (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) facility | Mar. 31, 2019 USD ($) property | Sep. 30, 2020 USD ($) property | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) property
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Proceeds from sale of lease receivable | $ 82,000,000 |  |  |  |  |  |
Gain on sale of direct financing lease | $ 42,000,000 |  |  |  |  |  |
Conversion of DFLs to real estate |  |  |  |  | $ 0 | $ 350,540,000 |
Intangible assets, net |  |  |  |  | $ 501,583,000 |  | $ 331,693,000
Properties subject to direct financing leases | property |  |  |  |  | 1 |  | 2
Impairments and loan loss reserves (recoveries), net |  |  |  |  | $ 97,723,000 | 115,653,000 |
Income from DFLs |  | $ 5,000,000 |  |  |  | 17,000,000 |
Cash payments received |  | $ 5,000,000 |  |  |  | $ 16,000,000 |
SHOP |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Proceeds from sale of lease receivable |  |  | $ 274,000,000 |  |  |  |
Number of leases disposed of (in facilities) | facility |  |  | 13 |  |  |  |
Impairments and loan loss reserves (recoveries), net |  |  | $ 10,000,000 |  |  |  |
DFL Portfolio | Watch List DFLs | Senior Housing Triple-Net |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Properties with derecognized carrying value during the period (in properties) | property |  |  |  | 14 |  |  |
Conversion of DFLs to real estate |  |  |  | $ 351,000,000 |  |  |
DFL Portfolio | Watch List DFLs | Senior Housing Triple-Net | Real Estate Investment |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Real estate investment property |  |  |  | 331,000,000 |  |  |
DFL Portfolio | Watch List DFLs | Senior Housing Triple-Net | Intangible Assets |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Intangible assets, net |  |  |  | 20,000,000 |  |  |
DFL Portfolio | Watch List DFLs | SHOP |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |
Gain (loss) on recognition of lease |  |  |  | $ 0 |  |  |
Properties subject to direct financing leases | property |  |  |  | 14 |  |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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- Definition Amount of lease income from variable lease payments, interest income on direct financing lease and after offset of loss recognized at commencement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919311-209978 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306 + Details
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