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Receivables, Loans, Notes Receivable, and Others (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Accounts Receivable Additional Disclosures [Abstract] |  |
Accounts Receivable, after Allowance for Credit Loss, Current | $ 15,772 | $ 13,934
Unbilled | 668,920 | 600,446
Other Receivables | 9,186 | 8,384
Accounts receivable, net | 693,878 | 622,764
Accounts Receivable, Allowance for Credit Loss, Current | 1,100 | 1,000
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] |  |
Unbilled Accrued worksite employee payroll costs | 559,194 | 513,397
Unbilled Contracts Receivable | 137,318 | 123,849
Client Prepayments Included in Cash Balance | (27,592) | (36,800)
Unbilled | $ 668,920 | $ 600,446

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- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, including accrued salaries and bonuses. + References No definition available. + Details
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-9 + Details
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- Definition Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 912 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482312/912-310-45-2 + Details
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