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Investment Activity (Schedule of Cash Rents Received) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Real Estate [Line Items] |  |  |  |
Total | $ 70,270 | $ 65,760 | $ 139,136 | $ 127,947
Cash Basis Lessees |  |  |  |
Real Estate [Line Items] |  |  |  |
Total | 11,475 | 15,088 | 22,939 | 26,854
Cash Basis Lessees | Bickford |  |  |  |
Real Estate [Line Items] |  |  |  |
Total | 9,993 | 9,946 | 19,977 | 19,310
Cash Basis Lessees | All others |  |  |  |
Real Estate [Line Items] |  |  |  |
Total | $ 1,482 | $ 5,142 | $ 2,962 | $ 7,544

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