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Schedule II - Valuation Accounts | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation Accounts | Schedule II Valuation Accounts Allowance for Doubtful Accounts (in thousands)
| Fiscal Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
Balance at beginning of period | $ | 931 |  |  | $ | 809 |  |  | $ | 1,069 |
Additions—charged to expense | 1,360 |  |  | 1,620 |  |  | 290 |
Deductions—bad debts written off, net of recoveries | (823) |  |  | (1,498) |  |  | (550) |
Balance at end of period | $ | 1,468 |  |  | $ | 931 |  |  | $ | 809 |

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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=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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