| Disaggregation of Revenue [Table Text Block] |
| | | For the year ended December 31, | | | | | 2025 | | | 2024 | | | 2023 | | | Rental revenue (1) | | $ | 629,004 | | | $ | 609,990 | | | $ | 630,260 | | | Other property revenue (2) | | | 27,477 | | | | 28,923 | | | | 29,581 | | | Other revenue | | | 1,215 | | | | 1,122 | | | | 1,142 | | | Total revenue | | $ | 657,696 | | | $ | 640,035 | | | $ | 660,983 | |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | As of December 31, 2025 | | | As of December 31, 2024 | | | | | Carrying | | | Estimated | | | Carrying | | | Estimated | | | Financial Instrument | | Amount | | | Fair Value | | | Amount | | | Fair Value | | | Assets | | | | | | | | | | | | | | | | | | Cash and cash equivalents | | $ | 23,564 | | | $ | 23,564 | | | $ | 21,228 | | | $ | 21,228 | | | Restricted cash | | | 24,058 | | | | 24,058 | | | | 22,224 | | | | 22,224 | | | Derivative assets | | | 9,840 | | | | 9,840 | | | | 29,300 | | | | 29,300 | | | | | | | | | | | | | | | | | | | | | Liabilities | | | | | | | | | | | | | | | | | | Debt: | | | | | | | | | | | | | | | | | | Unsecured revolver | | | 194,357 | | | | 200,399 | | | | 193,952 | | | | 194,249 | | | Unsecured term loans | | | 598,858 | | | | 602,687 | | | | 598,169 | | | | 599,375 | | | Secured credit facilities | | | 593,167 | | | | 569,169 | | | | 600,768 | | | | 554,238 | | | Mortgages | | | 746,548 | | | | 717,612 | | | | 792,306 | | | | 733,050 | | | Unsecured notes | | | 148,545 | | | | 150,247 | | | | 148,488 | | | | 150,343 | | | Derivative liabilities | | | 346 | | | | 346 | | | | — | | | | — | |
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