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Credit Concentration - Summary of Credit Concentration (Details) £ in Thousands, $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 USD ($) property | Mar. 31, 2022 USD ($) | Mar. 31, 2023 GBP (£) property | Dec. 31, 2022 USD ($)
Concentration Risk [Line Items] |  |  |  |  |
Total NOI | $ 602,976 | $ 542,035 |  |  |
Percentage total investments with top five customers |  |  |  | 30.00% |
Payment to acquire interest in joint venture | 112,822 | $ 115,249 |  |  |
Real estate loans receivable, net of credit allowance | $ 954,156 |  |  | $ 890,844 | [1]
HC-One Group |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Real estate loans receivable, net of credit allowance | £ |  |  | £ 520,854 |  |
Net operating income | Credit Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 1,785 |  | 1,785 |  |
Total NOI | $ 602,976 |  |  |  |
Percent of NOI | 100.00% |  |  |  |
Net operating income | Credit Concentration Risk | Integra Healthcare Properties |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 147 |  | 147 |  |
Total NOI | $ 53,885 |  |  |  |
Percent of NOI | 9.00% |  |  |  |
Net operating income | Credit Concentration Risk | Sunrise Senior Living |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 109 |  | 109 |  |
Total NOI | $ 36,885 |  |  |  |
Percent of NOI | 6.00% |  |  |  |
Net operating income | Credit Concentration Risk | Cogir Management Corporation |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 48 |  | 48 |  |
Total NOI | $ 21,911 |  |  |  |
Percent of NOI | 4.00% |  |  |  |
Net operating income | Credit Concentration Risk | StoryPoint Senior Living |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 74 |  | 74 |  |
Total NOI | $ 21,769 |  |  |  |
Percent of NOI | 4.00% |  |  |  |
Net operating income | Credit Concentration Risk | HC-One Group |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 1 |  | 1 |  |
Total NOI | $ 20,389 |  |  |  |
Percent of NOI | 3.00% |  |  |  |
Net operating income | Credit Concentration Risk | Remaining portfolio |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of Properties | property | 1,406 |  | 1,406 |  |
Total NOI | $ 448,137 |  |  |  |
Percent of NOI | 74.00% |  |  |  |
[1] | The consolidated balance sheet at December 31, 2022 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.

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