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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
Valuation And Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | Schedule II Valuation and Qualifying Accounts (dollars in thousands)
Description |  | Balance, Beginning of Period |  |  | Additions/Charges to Expense |  |  | Deductions/ Other |  |  | Balance, End of Period |
Valuation allowance for deferred tax assets (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2018 |  | $ | 50,519 |  |  | $ | - |  |  | $ | (2,482 | ) |  | $ | 48,037 |
For the year ended December 31, 2017 |  | $ | 49,748 |  |  | $ | 2,146 |  |  | $ | (1,375 | ) |  | $ | 50,519 |
For the year ended December 31, 2016 |  | $ | 47,545 |  |  | $ | 4,219 |  |  | $ | (2,016 | ) |  | $ | 49,748 |
Valuation allowance for accounts receivable: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2018 |  | $ | 22,534 |  |  | $ | 32,042 |  |  | $ | (29,740 | ) |  | $ | 24,836 |
For the year ended December 31, 2017 |  | $ | 23,142 |  |  | $ | 27,571 |  |  | $ | (28,179 | ) |  | $ | 22,534 |
For the year ended December 31, 2016 |  | $ | 20,229 |  |  | $ | 32,049 |  |  | $ | (29,136 | ) |  | $ | 23,142 |
(1) | Amounts include both continuing and discontinued operations gross deferred tax balances.

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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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