Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized Tax Benefits	$ 2,156				$ 45,990				$ 2,156	$ 45,990	$ 45,989	$ 44,841
Unrecognized Tax Benefits, Additions for Tax Positions of Prior Years									0	1	1,148
Unrecognized Tax Benefits, Reductions for Tax Positions of Prior Years										0	0
Unrecognized Tax Benefits, Interest on Income Taxes Expense									400	9,900
Income Tax Expense (Benefit)	$ (44,950)	$ 72	$ 578	$ 825	$ (3,887)	$ (256)	$ 1,465	$ 1,349	(43,475)	(1,329)	7,115
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Taxes Positions, Current									1,000
Interest on Prior Year Income Tax Expense [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Income Tax Expense (Benefit)									$ (9,500)	$ 0	$ 1,100