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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS |
| Balance at Beginning of Year |  | Charged to Expenses |  | Adjustments to Valuation Accounts |  | Deductions |  | Balance at End of Year
Year ended December 31, 2017: |  |  |  |  |  |  |  |  |
Allowance for deferred tax asset | $ | 859 |  |  | $ | — |  |  | $ | 671 |  |  | $ | — |  |  | $ | 1,530 |
Allowance for uncollectible accounts | 5,720 |  |  | 200 |  |  | — |  |  | — |  |  | 5,920 |
Allowance for notes receivable | — |  |  | — |  |  | — |  |  | — |  |  | — |
Year ended December 31, 2016: |  |  |  |  |  |  |  |  |
Allowance for deferred tax asset | — |  |  | — |  |  | 859 |  |  | — |  |  | 859 |
Allowance for uncollectible accounts | 7,451 |  |  | — |  |  | — |  |  | (1,731 | ) |  | 5,720 |
Allowance for notes receivable | — |  |  | — |  |  | — |  |  | — |  |  | — |
Year ended December 31, 2015: |  |  |  |  |  |  |  |  |
Allowance for deferred tax asset | — |  |  | — |  |  | — |  |  | — |  |  | — |
Allowance for uncollectible accounts | 5,952 |  |  | 1,499 |  |  | — |  |  | — |  |  | 7,451 |
Allowance for notes receivable | — |  |  | — |  |  | — |  |  | — |  |  | — |

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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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