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SCHEDULE II - VALUATION RESERVES | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II – VALUATION RESERVES |
Description | Balance at beginning of year |  | Additions to costs and expenses |  | Deductions |  | Balance at end of year
Year ended December 31, 2017 |  |  |  |  |  |  |
Reserve deducted in the balance sheet from the assets to which it applies |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 3,344 |  |  | $ | (362 | ) |  | $ | (8 | ) |  | $ | 2,974 |
Year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
Reserve deducted in the balance sheet from the assets to which it applies |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 4,527 |  |  | $ | 224 |  |  | $ | (1,407 | ) |  | $ | 3,344 |
Year ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |
Reserve deducted in the balance sheet from the assets to which it applies |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 5,706 |  |  | $ | 1,414 |  |  | $ | (2,593 | ) |  | $ | 4,527 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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