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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II Valuation and Qualifying Accounts | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
| Balance at Beginning of Period (1) |  | Charged (Credited) to Costs and Expenses (2) |  | Debited (Credited) to Other Accounts (3) |  | Amounts Written Off (4) |  | Other Adjustments (5) |  | Balance at End of Period (1)
| (In thousands)
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and unbilled receivables | $ | 5,738 |  |  | $ | (127) |  |  | $ | 12 |  |  | $ | (3,010) |  |  | $ | (31) |  |  | $ | 2,582 |
Long-term unbilled receivables | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Net investment in sales-type leases | 192 |  |  | 10 |  |  | 12 |  |  | — |  |  | — |  |  | 214 |
Total allowances deducted from assets | $ | 5,930 |  |  | $ | (117) |  |  | $ | 24 |  |  | $ | (3,010) |  |  | $ | (31) |  |  | $ | 2,796 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and unbilled receivables | $ | 2,582 |  |  | $ | 2,488 |  |  | $ | — |  |  | $ | (1,986) |  |  | $ | 143 |  |  | $ | 3,227 |
Long-term unbilled receivables | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Net investment in sales-type leases | 214 |  |  | 11 |  |  | — |  |  | — |  |  | — |  |  | 225 |
Total allowances deducted from assets | $ | 2,796 |  |  | $ | 2,499 |  |  | $ | — |  |  | $ | (1,986) |  |  | $ | 143 |  |  | $ | 3,452 |
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and unbilled receivables | $ | 3,227 |  |  | $ | 1,095 |  |  | $ | — |  |  | $ | (535) |  |  | $ | 499 |  |  | $ | 4,286 |
Long-term unbilled receivables | — |  |  | — |  |  | — |  |  | — |  |  | 30 |  |  | 30 |
Net investment in sales-type leases | 225 |  |  | 40 |  |  | — |  |  | — |  |  | — |  |  | 265 |
Total allowances deducted from assets | $ | 3,452 |  |  | $ | 1,135 |  |  | $ | — |  |  | $ | (535) |  |  | $ | 529 |  |  | $ | 4,581 |
__________________________________________________ (1)Allowance for credit losses. (2)Represents amounts charged and credited for provisions for credit losses. (3)Represents amounts debited to receivables as recoveries, increasing the allowance. (4)Represents amounts written off from the allowance and receivable. (5)Represents other adjustments, such as foreign currency translation, adoption of new accounting guidance, and purchase price accounting adjustments in connection with acquisitions.

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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=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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