Income Taxes - Unrecognized Tax Benefits - (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Reconciliation of unrecognized tax benefits | |||
| Balance | $ 443 | ||
| Additions related to prior period tax positions | 200 | $ 443 | |
| Reductions related to settlements with tax authorities | (102) | ||
| Balance | 541 | 443 | |
| Interest and penalties related to uncertain tax positions | $ 0 | $ 0 | |
| Maximum | |||
| Reconciliation of unrecognized tax benefits | |||
| Interest and penalties related to uncertain tax positions | $ 100 | ||
| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of expense 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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| X | ||||||||||
- 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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| X | ||||||||||
- Details
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