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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Summary of Accounts Receivable, Allowance for Credit Loss | Changes in the allowance for credit losses are as follows:
| March 31, 2021 |  | March 31, 2020 |  |
Allowance for credit losses, beginning of period | $ | 2,266 |  |  | $ | 2,260 |  |  |
Charges to costs and expenses, net | 3 |  |  | 49 |  |  |
Account write-offs and other | 41 |  |  | (189) |  |  |
Allowance for credit losses, end of period | $ | 2,310 |  |  | $ | 2,120 |  |  |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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