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Accounting Standards and Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2019
Accounting Policies [Abstract] |
Schedule of summary the changes in the allowances for doubtful accounts | The following table summarizes the changes in the allowance for doubtful accounts (in thousands):
| Nine months ended September 30, 2019
Balance, beginning of period December 31, 2018 | $ | 4,647 |
Provisions for losses - accounts receivable | 2,908 |
Collection of accounts previously written off | — |
Deductions for accounts charged off or credits issued | (3,253 | )
Balance, end of period | $ | 4,302 |
Schedule of new accounting pronouncements | Amounts recognized at January 1, 2019, for operating leases were as follow (in thousands):
Operating lease right-of-use assets |  | $ | 15,633 |
Operating lease liabilities |  | (4,344 | )
Operating lease liabilities, long-term |  | (12,405 | )
Retained earnings |  | $ | (1,116 | )

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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