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Subsequent Events (Details) - USD ($)			12 Months Ended
Subsequent Events (Details) - USD ($)	Feb. 01, 2024	Jan. 30, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 25, 2024	Apr. 30, 2019
Subsequent Event [Line Items]
Distributions declared per share (in dollars per share)			$ 1.49	$ 1.22	$ 1.20
Face amount			$ 300,000,000
Offering costs incurred			$ 11,888,000	$ 4,229,000	$ 10,222,000
2019A Unsecured Notes \| Unsecured Notes
Subsequent Event [Line Items]
Face amount							$ 116,500,000
Stated interest rate							5.494%
Subsequent Event \| 2019A Unsecured Notes \| Unsecured Notes
Subsequent Event [Line Items]
Redemption of principal						$ 116,500
Subsequent Event \| 6.875% Notes due 2029
Subsequent Event [Line Items]
Face amount	$ 300,000
Stated interest rate	6.875%
Proceeds from Notes Payable	$ 293,892
Underwriting commissions	3,000
Offering costs incurred	$ 900
Subsequent Event \| Regular Distribution
Subsequent Event [Line Items]
Distributions declared per share (in dollars per share)		$ 0.32
Subsequent Event \| Supplemental Distribution
Subsequent Event [Line Items]
Distributions declared per share (in dollars per share)		$ 0.04