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Distributions - Summary of Distributions Paid Including Activity in Plan as well as Limited Partnership Units Issued from Reinvestment of Unit Distributions (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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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. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Dividends [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stockholders |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,194 | $ 11,194 | $ 11,194
Common Stockholders |  |  |  |  |  |  |  |  |  |  |  |  | 56,722 | 55,523 | 50,963
Limited Partnership Unitholders |  |  |  |  |  |  |  |  |  |  |  |  | $ 21,944 | $ 21,548 | $ 17,821
Common stock shares issued |  |  |  |  |  |  |  |  |  |  |  |  | 61,359,000 | 143,957,000 | 293,615,000
Limited Partnership Units Issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 44,500,000 | 26,659,000 | 61,009,000
4th Quarter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stockholders | $ 2,798 |  |  |  | $ 2,798 |  |  |  | $ 2,798 |  |  |  |  |  |
Common Stockholders | 14,195 |  |  |  | 14,159 |  |  |  | 13,037 |  |  |  |  |  |
Limited Partnership Unitholders | $ 5,486 |  |  |  | $ 5,486 |  |  |  | $ 4,702 |  |  |  |  |  |
Common stock shares issued | 17,854,000 |  |  |  | 13,698,000 |  |  |  | 63,970,000 |  |  |  |  |  |
Discounted Share Price (in usd per share) | $ 33.35 |  |  |  | $ 39.70 |  |  |  | $ 45.46 |  |  |  | $ 33.35 | $ 39.70 | $ 45.46
Limited Partnership Units Issued (in shares) | 44,500,000 |  |  |  | 0 |  |  |  | 13,697,000 |  |  |  |  |  |
Average Unit Price (in usd per share) | $ 33.83 |  |  |  | $ 0 |  |  |  | $ 45.95 |  |  |  | $ 33.83 | $ 0 | $ 45.95
3rd Quarter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stockholders |  | $ 2,799 |  |  |  | $ 2,799 |  |  |  | $ 2,799 |  |  |  |  |
Common Stockholders |  | 14,192 |  |  |  | 14,156 |  |  |  | 12,999 |  |  |  |  |
Limited Partnership Unitholders |  | $ 5,486 |  |  |  | $ 5,486 |  |  |  | $ 4,694 |  |  |  |  |
Common stock shares issued |  | 14,689,000 |  |  |  | 10,577,000 |  |  |  | 65,171,000 |  |  |  |  |
Discounted Share Price (in usd per share) |  | $ 37.75 |  |  |  | $ 50.80 |  |  |  | $ 44.44 |  |  |  |  |
Limited Partnership Units Issued (in shares) |  | 0 |  |  |  | 0 |  |  |  | 13,841,000 |  |  |  |  |
Average Unit Price (in usd per share) |  | $ 0 |  |  |  | $ 0 |  |  |  | $ 44.92 |  |  |  |  |
2nd Quarter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stockholders |  |  | $ 2,798 |  |  |  | $ 2,798 |  |  |  | $ 2,798 |  |  |  |
Common Stockholders |  |  | 14,164 |  |  |  | 13,625 |  |  |  | 12,488 |  |  |  |
Limited Partnership Unitholders |  |  | $ 5,486 |  |  |  | $ 5,292 |  |  |  | $ 4,218 |  |  |  |
Common stock shares issued |  |  | 15,587,000 |  |  |  | 57,819,000 |  |  |  | 68,206,000 |  |  |  |
Discounted Share Price (in usd per share) |  |  | $ 34.92 |  |  |  | $ 51.61 |  |  |  | $ 41.87 |  |  |  |
Limited Partnership Units Issued (in shares) |  |  | 0 |  |  |  | 12,955,000 |  |  |  | 13,978,000 |  |  |  |
Average Unit Price (in usd per share) |  |  | $ 0 |  |  |  | $ 51.55 |  |  |  | $ 42.33 |  |  |  |
1st Quarter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stockholders |  |  |  | $ 2,799 |  |  |  | $ 2,799 |  |  |  | $ 2,799 |  |  |
Common Stockholders |  |  |  | 14,171 |  |  |  | 13,583 |  |  |  | 12,439 |  |  |
Limited Partnership Unitholders |  |  |  | $ 5,486 |  |  |  | $ 5,284 |  |  |  | $ 4,207 |  |  |
Common stock shares issued |  |  |  | 13,229,000 |  |  |  | 61,863,000 |  |  |  | 96,268,000 |  |  |
Discounted Share Price (in usd per share) |  |  |  | $ 41.06 |  |  |  | $ 47.66 |  |  |  | $ 29.50 |  |  |
Limited Partnership Units Issued (in shares) |  |  |  | 0 |  |  |  | 13,704,000 |  |  |  | 19,493,000 |  |  |
Average Unit Price (in usd per share) |  |  |  | $ 0 |  |  |  | $ 48.16 |  |  |  | $ 29.83 |  |  |

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