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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure |
| Balance at Beginning of Period |  | Provision for (Recovery of) Bad Debt |  | Deductions/ Write-Offs and Other Charges, Net |  | Balance at End of Period
Year Ended December 31, 2016 |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 4,307 |  |  | $ | 1,924 |  |  | $ | (167 | ) | * | $ | 6,064 |
Year Ended December 31, 2015 |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 4,276 |  |  | $ | 1,705 |  |  | $ | (1,674 | ) | * | $ | 4,307 |
Year Ended December 31, 2014 |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 931 |  |  | $ | 1,195 |  |  | $ | 2,150 |  |  | $ | 4,276 |
* | Amounts represent primarily the write-off of certain uncollectible trade receivables that had previously been fully reserved.

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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 -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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