Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of statutory tax rate to our worldwide effective tax rate
Income tax provision at statutory rate (Bermuda rate of 0%)	$ 0	$ 0	$ 0
Taxes (benefit) on U.S. and other international earnings (losses) at greater than the Bermuda rate	74,581	25,685	23,395
Increase (decrease) in valuation allowance	22,533	43,060	8,276
Impact of foreign exchange rates	(28,484)	(32,108)
Prior year adjustments to provision	(3,513)	15,959
Uncertain tax positions	5,854	2,080	26,266
Audit settlements	12,464
State income taxes (benefit)	3,838	266	(2,316)
Other	(8,053)	6,594
Total income tax expense (benefit)	$ 79,220	$ 61,536	$ 55,621
Effective tax rate (as a percent)	61.40%	(25.00%)	(11.40%)
Office of the Tax Commissioner, Bermuda
Reconciliation of statutory tax rate to our worldwide effective tax rate
Statutory income tax rate	0.00%	0.00%	0.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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