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Income Taxes (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 Income Tax Benefits |  |  |
Balance at January 1, | $ 20,994 | $ 18,586 | $ 15,117
Additions based on income tax positions related to current year | 461 | 550 | 1,165
Additions for income tax positions of prior years(1) | 147 | 0 | 2,321
Additions from acquisition | 0 | 3,464 | 0
Reductions for income tax positions of prior years | (327) | (1,589) | 0
Statute of limitation expirations | (820) | (17) | (17)
Settlements | (205) | 0 | 0
Balance at December 31, | 20,250 | 20,994 | 18,586
Unrecognized tax benefits, income tax penalties and interest accrued | 2,700 | 3,300 | 227
Unrecognized tax benefits that would impact effective tax rate | 19,100 | 20,400 | 15,200
Unrecognized tax benefits, income tax penalties and interest accrued that would impact effective tax rate | $ (366) | $ 1,400 | $ 193

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- Definition Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued that Would Impact Effective Tax Rate + References No definition available. + Details
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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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