Borrowings - Additional Information (Details) - USD ($)
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12 Months Ended |
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Apr. 13, 2023 |
Dec. 07, 2022 |
Aug. 31, 2022 |
Jul. 28, 2022 |
Dec. 10, 2021 |
May 31, 2019 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Feb. 10, 2022 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Debt Instrument [Line Items] |
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| Unamortized deferred debt costs |
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$ 9,172,000
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$ 10,293,000
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| Aggregate amount paid |
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275,000,000
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208,000,000
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$ 199,000,000
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| Net proceeds of sales of equity interests |
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210,000,000
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484,000,000
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161,000,000
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| Debt instrument, outstanding balance |
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$ 519,250,000
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$ 559,250,000
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$ 81,000,000
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$ 99,000,000
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$ 61,000,000
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$ 59,500,000
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$ 0
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| Weighted Average |
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| Debt Instrument [Line Items] |
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| Weighted average effective interest rate |
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8.15%
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5.89%
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| Weighted average outstanding principal Credit Facility balance |
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$ 278,200,000
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$ 134,900,000
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| Credit Facility |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 100,000,000
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$ 550,000,000
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| Line of credit facility stated maturity date |
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Apr. 20, 2025
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| Expiration date |
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Apr. 20, 2026
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| Line of credit facility, amortization period |
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1 year
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| Credit Facility | Maximum |
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| Debt Instrument [Line Items] |
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| Line of credit facility, maximum borrowing capacity |
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$ 600,000,000
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| Variable advance rate |
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65.00%
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| Unused commitment fees percentage |
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1.00%
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| Credit Facility | Maximum | SOFR |
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| Debt Instrument [Line Items] |
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| Applicable margin rate |
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3.35%
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| Credit Facility | Minimum |
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| Debt Instrument [Line Items] |
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| Unused commitment fees percentage |
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0.25%
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| Credit Facility | Minimum | SOFR |
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| Debt Instrument [Line Items] |
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| Applicable margin rate |
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2.95%
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| 2026 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
$ 25,000,000
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$ 70,000,000
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| Debt instrument, interest rate stated percentage |
8.54%
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4.25%
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| Debt instrument, interest rate increase percentage |
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1.00%
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| 2026 Notes | Long-Term Debt | Debt Instrument Initial Issuance Closed on December 10, 2021 |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 20,000,000
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| Debt instrument, description |
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The December 2026 Notes were issued in two closings; the initial issuance of $20.0 million closed on December 10, 2021 and the second issuance of $50.0 million closed on February 10, 2022.
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| 2026 Notes | Long-Term Debt | Debt Instrument Second and Final Issuance Closed on February 10, 2022 |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 50,000,000
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| December 2026 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument, interest rate stated percentage |
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4.25%
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| Debt instrument due date |
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Dec. 10, 2026
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| Aggregate offering costs including underwriter's discounts and commissions |
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$ 1,000,000
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| Unamortized deferred debt costs |
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$ 600,000
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800,000
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| Line of credit facility, interest rate description |
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Interest on the December 2026 Notes will be due semiannually in arrears on June 10 and December 10 of each year, commencing on June 10, 2022.
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| Debt instrument, frequency of periodic payment |
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semiannually
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| April 2026 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument, interest rate stated percentage |
8.54%
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| Debt instrument due date |
Apr. 13, 2026
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| Aggregate offering costs including underwriter's discounts and commissions |
$ 400,000
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| Unamortized deferred debt costs |
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$ 300,000
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0
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| Line of credit facility, interest rate description |
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Interest on the April 2026 Notes will be due semiannually in arrears on April 13 and October 13 of each year, commencing on October 13, 2023.
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| Debt instrument, frequency of periodic payment |
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semiannually
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| July 2027 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 80,500,000
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| Debt instrument, interest rate stated percentage |
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7.50%
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| Debt instrument due date |
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Jul. 28, 2027
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| Aggregate offering costs including underwriter's discounts and commissions |
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$ 2,700,000
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| Unamortized deferred debt costs |
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$ 1,900,000
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2,400,000
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| Line of credit facility, interest rate description |
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Interest on the 2027 Notes will be due quarterly in arrears on March 1, June 1, September 1 and December 1 of each year, commencing September 1, 2022.
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| Debt instrument, frequency of periodic payment |
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quarterly
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| Debt instrument redemption description |
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The July 2027 Notes may be redeemed in whole or in part at any time or from time to time at the Company’s option on or after July 28, 2024, at a redemption price of $25 per July 2027 Note plus accrued and unpaid interest payments otherwise payable for the then-current quarterly interest period accrued to the date fixed for redemption.
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| Debt instrument, redemption price per share |
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$ 25
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| August 2027 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 20,000,000
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| Debt instrument, interest rate stated percentage |
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7.00%
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| Debt instrument due date |
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Aug. 31, 2027
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| Aggregate offering costs including underwriter's discounts and commissions |
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$ 700,000
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| Unamortized deferred debt costs |
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$ 500,000
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700,000
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| Line of credit facility, interest rate description |
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Interest on the August 2027 Notes will be due semiannually in arrears on February 15 and August 15 of each year, commencing on February 15, 2023.
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| Debt instrument, frequency of periodic payment |
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semiannually
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| December 2027 Notes | Long-Term Debt |
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| Debt Instrument [Line Items] |
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| Debt instrument principal amount |
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$ 51,750,000
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| Debt instrument, interest rate stated percentage |
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8.00%
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| Debt instrument due date |
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Dec. 28, 2027
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| Aggregate offering costs including underwriter's discounts and commissions |
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$ 1,800,000
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| Unamortized deferred debt costs |
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$ 1,500,000
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$ 1,800,000
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| Line of credit facility, interest rate description |
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Interest on the 2027 Notes will be due quarterly in arrears on March 1, June 1, September 1, and December 1 of each year, commencing March 1, 2023.
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| Debt instrument, frequency of periodic payment |
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quarterly
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| Debt instrument redemption description |
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The December 2027 Notes may be redeemed in whole or in part at any time or from time to time at the Company's option on or after December 31, 2024, at a redemption price of $25 per December 2027 Note plus accrued and unpaid interest payments otherwise payable for the then-current quarterly interest period accrued to the date fixed for redemption.
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| Debt instrument, redemption price per share |
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$ 25
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