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v3.23.2

Investments (Narrative) (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) shares | Jun. 30, 2022 USD ($) investment shares | Jun. 30, 2023 USD ($) shares | Jun. 30, 2022 USD ($) investment shares | Dec. 31, 2022 USD ($) investment | May 19, 2023 | Apr. 12, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |
Shares held | shares | 1,000,000 |  | 1,000,000 |  |  |  |
Investment in corporate debt securities | $ 32,100,000 |  | $ 32,100,000 |  | $ 58,400,000 |  |
Shares issued in debt-for-equity exchange (in shares) | shares |  | 2,300,000 |  | 2,300,000 |  |  |
Aggregate purchase price |  | $ 90,000,000.0 |  | $ 90,000,000.0 |  |  |
Number of shares sold in transaction (in shares) | shares | 0 |  | 52,393 |  |  |  |
Gross unrealized gains | $ 100,000 |  | $ 100,000 |  | $ 600,000 |  |
Investments in an unrealized loss position | investment |  | 0 |  | 0 | 0 |  |
Impairment losses |  |  | 0 |  | $ 0 |  |
Loss from equity method investment, net | (573,000) | $ (6,101,000) | (9,755,000) | $ (6,886,000) |  |  |
Management fees recognized | 0 | $ 800,000 | 0 | $ 1,500,000 |  |  |
Equity method investments | 99,300,000 |  | 99,300,000 |  | 112,300,000 |  |
OCV Management, LLC |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |
Maximum exposure of investment | 99,300,000 |  | 99,300,000 |  | 112,300,000 |  |
Corporate Debt Securities |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |
Debt securities, available-for-sale, coupon rate |  |  |  |  |  | 6.00% | 4.00%
Debt securities, available-for-sale |  |  |  |  |  |  | $ 15,000,000
Carrying value of investment | 15,100,000 |  | 15,100,000 |  | 15,600,000 |  |
Maximum exposure of investment | $ 15,100,000 |  | $ 15,100,000 |  | $ 15,600,000 |  |

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