| Component: (Network and Table) | |
|---|---|
| Network | 100490 - Disclosure - Accounts Receivable, Net - Accounts Receivables Net (Detail) (http://www.cbiz.com/20161231/taxonomy/role/DisclosureAccountsReceivableNetAccountsReceivablesNetDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000944148 (http://www.sec.gov/CIK) |
| Accounts Receivable Net Current [Abstract] | Period [Axis] | |||
|---|---|---|---|---|
2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | |
Accounts Receivable Net Current [Abstract] | ||||
Trade accounts receivable | ||||
Unbilled revenue, at net realizable value | ||||
Total accounts receivable | ||||
Allowance for doubtful accounts | (13,508,000) | (12,659,000) | (11,915,000) | (9,975,000) |
Accounts receivable, net | 175,354,000 | 153,608,000 | ||