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Schedule II Valuation and Qualifying | 12 Months Ended
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Dec. 31, 2020
Valuation And Qualifying Accounts [Abstract] |
Schedule II Valuation and Qualifying Accounts | Schedule II. Valuation and Qualifying Accounts for the Years Ended December 31, 2020, 2019 and 2018 (in thousands):
|  | Balance at Beginning of Year |  |  | Charged (Credited) to Expenses |  |  | Charged (Credited) to Other Accounts |  |  | Balance at End of Year |
Deferred income tax asset: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 |  | $ | 32,032 |  |  | $ | 2,794 |  |  | $ | 7,116 |  |  | $ | 41,942 |
2019 |  | $ | 41,942 |  |  | $ | (4,699 | ) |  | $ | — |  |  | $ | 37,243 |
2020 |  | $ | 37,243 |  |  | $ | (50,838 | ) |  | $ | 301,490 |  |  | $ | 287,895 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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