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Schedule II Valuation And Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
Valuation And Qualifying Accounts [Abstract] |
Schedule II Valuation And Qualifying Accounts | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS For the years ended December 31, 2018, 2017, and 2016 (in thousands)
|  | Balance at the |  |  |  |  |  |  |  |  |  |  | Balance at |
|  | beginning of |  |  |  |  |  |  |  |  |  |  | the end of |
|  | the period |  |  | Additions (1) |  |  | Deductions |  |  | the period |
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2018 |  | $ | 4,190 |  |  |  | 1,912 |  |  |  | (613 | ) |  | $ | 5,489 |
December 31, 2017 |  | $ | 3,181 |  |  |  | 2,269 |  |  |  | (1,260 | ) |  | $ | 4,190 |
December 31, 2016 |  | $ | 3,825 |  |  |  | 224 |  |  |  | (868 | ) |  | $ | 3,181 |
Deferred tax valuation allowance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2018 |  | $ | 1,015 |  |  |  | 492 |  |  |  | 0 |  |  | $ | 1,507 |
December 31, 2017 |  | $ | 832 |  |  |  | 183 |  |  |  | 0 |  |  | $ | 1,015 |
December 31, 2016 |  | $ | 1,984 |  |  |  | 20 |  |  |  | (1,172 | ) |  | $ | 832 |
(1) | Reductions in/charges to revenues and expenses.

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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=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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