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Significant Accounting Policies Allowance for Doubtful Accounts (Policies) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Allowance for Doubtful Accounts | Allowance for Expected Credit Losses We adopted Accounting Standards Codification Topic 326, Current Expected Credit Losses, on January 1, 2020 using the modified retrospective transition method. The allowance for credit losses on expected future uncollectible accounts receivable is estimated based on the aging of accounts receivable, reviews of client credit reports, industry trends and economic indicators, as well as reviews of recent payment history for specific customers. The estimate is based largely on a formula-driven calculation but is supplemented with economic indicators and knowledge of potential write-offs of specific client accounts.

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- Definition Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5033-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=84159169&loc=d3e10178-111534 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=84159169&loc=d3e10149-111534 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534 + Details
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