Income Taxes - Uncertain tax positions (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| A reconciliation of the beginning and ending liability for uncertain tax positions | ||||
| Balance at beginning of year | $ 1,219 | $ 1,795 | $ 3,531 | |
| Increase Resulting from Current Period Tax Positions | 238 | 131 | 21 | |
| Increases for tax position taken in prior years | 846 | 15 | 146 | |
| Decreases due to settlements with taxing authorities | (83) | (693) | ||
| Decreases due to lapses in the statute of limitations | (266) | (722) | (1,210) | |
| Balance at the end of year | 1,954 | 1,219 | $ 1,795 | $ 3,531 |
| Unrecognized tax benefits that would affect the effective tax rate, if recognized | 1,954 | |||
| Accrued interest and penalties reported as income tax liability | $ 586 | $ 487 | ||
| U.S. corporate income tax rate | 21.00% | 35.00% | ||
| Net deferred tax liability | $ 22,452 | |||
| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Amount of income tax expense for remeasurement of deferred tax asset from change in tax rate pursuant to Tax Cuts and Jobs Act. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 settlements with taxing authorities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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