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Income Taxes (Schedule of Changes in Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Total amounts of unrecognized tax benefits, beginning of period | $ 26,841 | $ 24,247 | $ 21,417
Gross (decreases) increases in unrecognized tax positions as a result of tax positions taken during a prior period | (1,755) | (276) |
Gross (decreases) increases in unrecognized tax positions as a result of tax positions taken during a prior period |  |  | 2,991
Gross increases in unrecognized tax positions as a result of tax positions taken in the current period | 4,199 | 4,083 | 461
Decreases in unrecognized tax positions relating to settlements with taxing authorities | (6,446) | 0 | 0
Decreases in unrecognized tax positions as a result of a lapse of the applicable statutes of limitations | (355) | (1,213) | (622)
Total amounts of unrecognized tax benefits, end of period | $ 22,484 | $ 26,841 | $ 24,247

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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 -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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