Stockholders' Equity and Partners' Capital - Summary of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 25, 2020 |
May 22, 2020 |
Feb. 27, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Equity [Abstract] | |||||||||||
| Common stock, dividend per share (in USD per share) | $ 0.625 | $ 0.625 | $ 0.625 | $ 0.6250 | $ 0.6250 | $ 1.8750 | $ 1.8750 | ||||
| Common stock, total amount | $ 66,171 | $ 64,402 | $ 64,338 | $ 66,171 | $ 64,402 | $ 64,338 | $ 62,322 | $ 56,318 | $ 54,254 | ||
| Preferred stock, dividend per share (in USD per share) | $ 0.375 | $ 0.375 | $ 0.375 | ||||||||
| Preferred stock, total amount | $ 2,587 | $ 2,588 | $ 2,588 | $ 2,587 | $ 2,588 | $ 2,588 | $ 2,587 | $ 2,588 | $ 2,588 | ||