Income Taxes Income Taxes (Unrecognized Tax Benefits Rollforward) (Details 7) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning unrecognized tax benefits	$ 1,572	$ 2,483	$ 17,331
Increases related to current year tax positions	742	0	0
Increases related to prior year tax positions	656	1,072	500
Decrease related to prior year tax positions	0	0	(12,187)
Decreases related to settlement with tax authorities	(1,072)	(1,291)	0
Decreases due to lapse of applicable statute of limitations	0	(692)	(3,161)
Ending unrecognized tax benefits	$ 1,898	$ 1,572	$ 2,483

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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