Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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Income taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Income taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Income Taxes
Income tax (benefit) expense	$ 67,946	$ 22,177	$ 100,489	$ 37,964
One-time benefit from associated valuation allowance					$ 569,000
Valuation allowance					$ 408,200
Increase in unrecognized tax benefits			$ 9,400