Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($)  | 
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021  | 
Dec. 31, 2020  | 
Dec. 31, 2019  | 
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| Income Tax Disclosure [Abstract] | |||
| Unrecognized tax benefits that would affect the effective tax rate | $ 12,900,000 | $ 13,600,000 | $ 11,500,000 | 
| Balance at beginning of period | 14,493,000 | 12,478,000 | 11,064,000 | 
| Increases related to prior year tax positions | 355,000 | 1,903,000 | 4,374,000 | 
| Decreases related to prior year tax positions | (1,447,000) | (162,000) | (5,423,000) | 
| Increases related to current year tax positions | 883,000 | 906,000 | 4,991,000 | 
| Expiration of statute of limitations | (429,000) | (632,000) | (1,064,000) | 
| Balance at end of period | $ 13,855,000 | $ 14,493,000 | $ 12,478,000 | 
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- References No definition available. 
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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