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Variable Interest Entity and Noncontrolling Interests - Non-redeemable noncontrolling interest (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Noncontrolling Interest [Line Items] |  |  |
Non-redeemable noncontrolling interest, beginning of year | $ 0 | $ 823,007 |
Amounts attributable to nonredeemable noncontrolling interests | 0 | (78,314) | $ (53,076)
Other comprehensive (income) loss attributable to noncontrolling interests | 0 | 13,984 | (9,062)
Non-redeemable noncontrolling interest, end of year | 0 | 0 | 823,007
Somers Holdings Ltd. | Noncontrolling Interest |  |  |
Noncontrolling Interest [Line Items] |  |  |
Non-redeemable noncontrolling interest, beginning of year | 0 | 823,007 |
Impact of deconsolidation of Somers | 0 | (918,874) |
Additional paid in capital attributable to noncontrolling interests | 0 | 22,113 |
Amounts attributable to nonredeemable noncontrolling interests | 0 | 78,314 |
Other comprehensive (income) loss attributable to noncontrolling interests | 0 | (4,560) |
Non-redeemable noncontrolling interest, end of year | $ 0 | $ 0 | $ 823,007

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