Consolidated Balance Sheets (Parenthetical) - $ / shares |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Dec. 31, 2022 |
Sep. 30, 2022 |
Jun. 30, 2022 |
Mar. 31, 2022 |
Dec. 02, 2019 |
Nov. 20, 2019 |
Mar. 13, 2018 |
Jun. 28, 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class of Stock [Line Items] | ||||||||||||||||
| Preferred Stock, Shares Issued | 17,497,000 | 13,725,000 | 13,011,000 | 12,634,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | ||||
| Preferred Stock, Shares Outstanding | 17,497,000 | 13,725,000 | 13,011,000 | 12,634,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | ||||
| Trust shares, par value (in dollars per share) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | ||||
| Trust shares, authorized (in shares) | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | ||||
| Trust shares, issued (in shares) | 76,135,000 | 76,135,000 | 75,958,000 | 75,807,000 | 75,753,000 | 72,203,000 | 71,896,000 | 71,993,000 | 72,203,000 | 72,203,000 | 71,268,000 | 69,450,000 | ||||
| Trust shares, outstanding (in shares) | 75,236,000 | 75,652,000 | 75,476,000 | 75,234,000 | 75,270,000 | 71,820,000 | 71,896,000 | 71,993,000 | 72,203,000 | 72,203,000 | 71,268,000 | 69,450,000 | ||||
| Preferred Stock, Shares Authorized | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | ||||
| Preferred Stock, Shares Issued | 17,497,000 | 13,725,000 | 13,011,000 | 12,634,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | ||||
| Preferred Stock, Shares Outstanding | 17,497,000 | 13,725,000 | 13,011,000 | 12,634,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | 12,600,000 | ||||
| Series A Preferred Stock [Member] | ||||||||||||||||
| Class of Stock [Line Items] | ||||||||||||||||
| Preferred Stock, Shares Issued | 4,551,000 | 4,000,000 | 4,000,000 | 4,000,000 | ||||||||||||
| Preferred Stock, Shares Outstanding | 4,551,000 | 4,000,000 | ||||||||||||||
| Preferred Stock, No Par Value | $ 0 | $ 0 | $ 0 | |||||||||||||
| Preferred Stock, Shares Issued | 4,551,000 | 4,000,000 | 4,000,000 | 4,000,000 | ||||||||||||
| Preferred Stock, Shares Outstanding | 4,551,000 | 4,000,000 | ||||||||||||||
| Series B Preferred Stock [Member] | ||||||||||||||||
| Class of Stock [Line Items] | ||||||||||||||||
| Preferred Stock, Shares Issued | 6,192,000 | 4,000,000 | 4,000,000 | 4,000,000 | ||||||||||||
| Preferred Stock, Shares Outstanding | 6,192,000 | 4,000,000 | ||||||||||||||
| Preferred Stock, No Par Value | $ 0 | $ 0 | $ 0 | |||||||||||||
| Preferred Stock, Shares Issued | 6,192,000 | 4,000,000 | 4,000,000 | 4,000,000 | ||||||||||||
| Preferred Stock, Shares Outstanding | 6,192,000 | 4,000,000 | ||||||||||||||
| Series C Preferred Stock [Member] | ||||||||||||||||
| Class of Stock [Line Items] | ||||||||||||||||
| Preferred Stock, Shares Issued | 6,754,000 | 4,600,000 | 4,600,000 | 600,000 | 4,000,000 | |||||||||||
| Preferred Stock, Shares Outstanding | 6,754,000 | 4,600,000 | ||||||||||||||
| Preferred Stock, No Par Value | $ 0 | $ 0 | $ 0 | |||||||||||||
| Preferred Stock, Shares Issued | 6,754,000 | 4,600,000 | 4,600,000 | 600,000 | 4,000,000 | |||||||||||
| Preferred Stock, Shares Outstanding | 6,754,000 | 4,600,000 |