Borrowings - Convertible Notes, Narrative (Details)
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9 Months Ended |
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Sep. 30, 2023
USD ($)
$ / shares
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Aug. 15, 2023
USD ($)
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Nov. 02, 2022
USD ($)
$ / shares
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Sep. 30, 2023
USD ($)
$ / shares
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Sep. 30, 2022
USD ($)
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Mar. 14, 2023
USD ($)
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Dec. 31, 2022
USD ($)
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Dec. 09, 2022
USD ($)
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Dec. 06, 2022
USD ($)
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Nov. 04, 2022
USD ($)
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Jun. 07, 2019
USD ($)
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Aug. 31, 2018
USD ($)
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Aug. 30, 2018
USD ($)
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Aug. 20, 2018
USD ($)
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| Debt Instrument [Line Items] |
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| Face amount |
$ 300,000,000
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$ 300,000,000
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| Repayment of Convertible Notes |
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$ 116,816,000
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$ 0
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| 2022 Convertible Notes |
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| Debt Instrument [Line Items] |
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| Increases in dividend in excess (in dollars per share) | $ / shares |
$ 0.30
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$ 0.30
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| Conversion price (in dollars per share) | $ / shares |
$ 14.03
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$ 14.20
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14.03
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| Conversion rate |
71.2860
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70.4225
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| Minimum | 2022 Convertible Notes |
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| Debt Instrument [Line Items] |
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| Conversion price (in dollars per share) | $ / shares |
$ 12.38
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$ 12.38
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| Maximum | 2022 Convertible Notes |
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| Debt Instrument [Line Items] |
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| Conversion rate |
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80.7754
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| Convertible Notes | 2018 Convertible Notes |
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| Debt Instrument [Line Items] |
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| Face amount |
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$ 86,250,000
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$ 115,000,000
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$ 15,000,000
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$ 100,000,000
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| Stated interest rate |
5.75%
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5.75%
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| Maximum purchase amount |
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$ 201,250,000
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| Purchase amount per $1,000 principal amount |
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$ 1,000
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| Purchase amount |
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$ 84,434,000
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| Outstanding balance |
$ 0
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$ 0
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$ 116,816,000
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$ 116,816,000
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| Repayment of Convertible Notes |
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$ 116,816,000
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| Convertible Notes | 2022 Convertible Notes |
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| Debt Instrument [Line Items] |
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| Face amount |
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$ 200,000,000
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$ 60,000,000
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| Stated interest rate |
7.50%
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7.50%
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| Outstanding balance |
$ 260,000,000
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$ 260,000,000
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$ 200,000,000
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| Redemption as a percentage of principal |
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100.00%
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