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Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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 | 25,685 | 23,395 | 62,751
Increase (decrease) in valuation allowance | 43,060 | 8,276 | (9,759)
Impact of foreign exchange rates | (32,108) |  |
Prior year adjustments to provision | 15,959 |  |
Tax reserves and interest | 2,080 | 26,266 | 861
State income taxes (benefit) | 266 | (2,316) | 3,433
Other | 6,594 |  |
Total income tax expense (benefit) | $ 61,536 | $ 55,621 | $ 57,286
Effective tax rate (as a percent) | (25.00%) | (11.40%) | (8.10%)
Liability for uncertain tax positions |  | $ 26,300 |
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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