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Credit Concentration - Summary of Credit Concentration (Details) £ in Thousands, $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 USD ($) property | Mar. 31, 2021 USD ($) | Mar. 31, 2022 GBP (£) property | Dec. 31, 2021
Concentration Risk [Line Items] |  |  |  |
Total NOI | $ 542,035 | $ 434,736 |  |
Percentage total investments with top five customers |  |  |  | 34.00%
Payment to acquire interest in joint venture | 115,249 | $ 94,095 |  |
Financing receivable | $ 1,242,159 |  |  |
Promedica Joint Ventures |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Ownership interest | 5.00% |  | 5.00% |
Payment to acquire interest in joint venture | $ 137,437 |  |  |
HC-One Group |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Financing receivable | £ |  |  | £ 540,000 |
Net operating income | Credit Concentration Risk |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 1,663 |  | 1,663 |
Total NOI | $ 542,035 |  |  |
Percent of NOI | 100.00% |  |  |
Net operating income | Credit Concentration Risk | ProMedica (3) |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 205 |  | 205 |
Total NOI | $ 61,084 |  |  |
Percent of NOI | 11.00% |  |  |
Net operating income | Credit Concentration Risk | Sunrise Senior Living |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 110 |  | 110 |
Total NOI | $ 30,467 |  |  |
Percent of NOI | 6.00% |  |  |
Net operating income | Credit Concentration Risk | Atria Senior Living |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 96 |  | 96 |
Total NOI | $ 28,745 |  |  |
Percent of NOI | 5.00% |  |  |
Net operating income | Credit Concentration Risk | HC-One Group |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 1 |  | 1 |
Total NOI | $ 23,872 |  |  |
Percent of NOI | 4.00% |  |  |
Net operating income | Credit Concentration Risk | Avery Healthcare |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 61 |  | 61 |
Total NOI | $ 19,901 |  |  |
Percent of NOI | 4.00% |  |  |
Net operating income | Credit Concentration Risk | Remaining portfolio |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Number of Properties | property | 1,190 |  | 1,190 |
Total NOI | $ 377,966 |  |  |
Percent of NOI | 70.00% |  |  |

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