Income Taxes (Schedule of Unrecognized Tax Benefits Roll Forward) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Unrecognized Tax Benefits, Beginning Balance	$ 10,162	$ 10,131	$ 16,749
Increases related to current year tax positions	4,350	750	500
Increases related to prior year tax positions		2,198	503
Decreases related to prior year tax positions	(1,682)	(1,363)	(798)
Settlements with taxing authorities		(1,554)	(6,823)
Unrecognized Tax Benefits, Ending Balance	$ 12,830	$ 10,162	$ 10,131

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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 decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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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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