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Schedule II - Valuation And Qualifying Accounts And Reserves | 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 and Reserves |
Schedule II - Valuation and Qualifying Accounts and Reserves | SEI Investments Company
(In thousands) |  | and Subsidiaries
Year Ended December 31, |  |  | Additions |  |  |  |
Description |  | Balance at Beginning of Year |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | (Deductions) |  | Balance at End of Year
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |
2020 |  | $ | 1,201 |  |  | $ | — |  |  | $ | — |  |  | $ | (101) |  |  | $ | 1,100 |
2019 |  | 718 |  |  | 483 |  |  | — |  |  | — |  |  | 1,201 |
2018 |  | 695 |  |  | 23 |  |  | — |  |  | — |  |  | 718 |
Deferred income tax valuation allowance: |  |  |  |  |  |  |  |  |  |
2020 |  | $ | 70,731 |  |  | $ | — |  |  | $ | — |  |  | $ | (1,955) |  |  | $ | 68,776 |
2019 |  | 72,316 |  |  | — |  |  | — |  |  | (1,585) |  |  | 70,731 |
2018 |  | 68,469 |  |  | — |  |  | 3,847 |  |  | — |  |  | 72,316 |

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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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