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Income Taxes - Unrecognized Tax Benefit Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Balance, beginning | $ 771 | $ 1,488 | $ 1,282
Increases (decreases) for tax positions taken during a prior period | 11 |  | 37
Increases (decreases) for tax positions taken during a prior period |  | (178) |
Increases for tax positions taken during the current period | 189 | 175 | 339
Decreases due to settlements with taxing authorities | 0 | (575) | 0
Decreases as a result of a lapse of applicable statutes of limitations | (144) | (139) | (170)
Balance, ending | $ 827 | $ 771 | $ 1,488

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + 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=123427490&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=121826272&loc=SL6600010-109319 + Details
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