| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | CBIZ, INC. |
| Entity Central Index Key | 0000944148 |
| Pay vs Performance Disclosure | 12 Months Ended | ||
| Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | Pay vs. Performance Comparison As discussed in the Compensation Discussion & Analysis above, our Compensation Committee has implemented an executive compensation program designed to link a substantial portion of our NEOs’ realized compensation to the achievement of the Company’s financial, operational, and strategic objectives, and to align our executive p ay with 021 and Year Summary (1) Compensation (2) Average non-PEO (3) Average non-PEO (4) Value of Initial Fixed $100 Net Income Basic EPS Company Peer Group (5) 2022 $ 4,882,383 $ 9,764,850 $ 2,038,048 $ 4,101,128 $ 173.78 $ 141.01 $ 105.35 $ 2.05 2021 $ 5,052,401 $ 9,612,920 $ 2,129,323 $ 4,100,152 $ 145.10 $ 163.92 $ 70.89 $ 1.35 2020 $ 3,788,636 $ 2,915,886 $ 1,605,899 $ 1,220,149 $ 98.70 $ 117.75 $ 78.30 $ 1.44 (1) The dollar amounts reported are the amounts of total compensation reported for our CEO in the Summary Compensation Table for fiscal years 2022, 2021 and 2020. Mr. Grisko served as CEO for each of the years presented. (2) The dollar amounts reported represent the amount of “compensation actually paid,” as computed in accordance with SEC rules. The dollar amounts do not reflect the actual amounts of compensation paid to our CEO during the applicable year, but also include the adjustments set out in the Compensation Actually Paid to the PEO Table below. (3) For 2022, 2021, 2020 reflects compensation information for our NEOs, other than our CEO, as described in the CD&A and portions of this proxy statement. Messrs. Spurio, Kouzelos and Grove served as non-CEO (4) The dollar amounts reported represent the amount of “compensation actually paid,” as computed in accordance with SEC rules. The dollar amounts do not reflect the actual amounts of compensation paid to our NEOs other than our CEO during the applicable year, but also include the adjustments set out in the Compensation Actually Paid to the Non-PEO (5) Reflects cumulative total shareholder return on investment of $100 as of the beginning of each measurement period of the Company Peer Group (constituent companies defined on p. 32), as described in the CD&A of the proxy statement for each applicable year. To calculate the amounts in the “Compensation Actually Paid to PEO” column in the table above, the following amounts were deducted from and added to (as applicable) our CEO’s “Total” compensation as reported in the Summary Compensation Table (“SCT”): Compensation Actually Paid to the PEO Table 2022 2021 2020 Total Compensation for CEO as reported SCT for the covered year $ 4,882,383 $ 5,052,401 $ 3,788,636 Deduct $ 0 $ 0 $ 0 Deduct $ 2,163,081 $ 2,238,269 $ 1,868,678 Add $ 0 $ 0 $ 0 Add $ 2,658,456 $ 3,182,881 $ 1,931,088 Add $ 0 $ 0 $ 0 Add $ 0 $ 0 $ 0 Add $ 4,503,936 $ 2,623,284 ($ 76,019 ) Add ($ 116,844 ) $ 992,623 ($ 859,140 ) Subtract $ 0 $ 0 $ 0 Compensation Actually Paid to CEO $ 9,764,850 $ 9,612,920 $ 2,915,886 To calculate the amounts in the “Average Compensation Actually Paid to Non-CEO non-CEO Compensation Actually Paid to the Non-PEO 2022 2021 2020 Total Compensation for Other NEOs as reported SCT for the covered year $ 2,038,048 $ 2,129,323 $ 1,605,899 Deduct $ 0 $ 0 $ 0 Deduct $ 913,432 $ 945,152 $ 789,083 Add $ 0 $ 0 $ 0 Add $ 1,122,620 $ 1,344,033 $ 815,437 Add $ 0 $ 0 $ 0 Add $ 0 $ 0 $ 0 Add $ 1,901,872 $ 1,127,484 ($ 33,856 ) Add ($ 47,979 ) $ 444,464 ($ 378,248 ) Subtract $ 0 $ 0 $ 0 Compensation Actually Paid to Other NEOs $ 4,101,128 $ 4,100,152 $ 1,220,149 | ||
| Company Selected Measure Name | EPS | ||
| Named Executive Officers, Footnote [Text Block] | For 2022, 2021, 2020 reflects compensation information for our NEOs, other than our CEO, as described in the CD&A and portions of this proxy statement. Messrs. Spurio, Kouzelos and Grove served as non-CEO | ||
| Peer Group Issuers, Footnote [Text Block] | Reflects cumulative total shareholder return on investment of $100 as of the beginning of each measurement period of the Company Peer Group (constituent companies defined on p. 32), as described in the CD&A of the proxy statement for each applicable year. | ||
| PEO Total Compensation Amount | $ 4,882,383 | $ 5,052,401 | $ 3,788,636 |
| PEO Actually Paid Compensation Amount | $ 9,764,850 | 9,612,920 | 2,915,886 |
| Adjustment To PEO Compensation, Footnote [Text Block] | To calculate the amounts in the “Compensation Actually Paid to PEO” column in the table above, the following amounts were deducted from and added to (as applicable) our CEO’s “Total” compensation as reported in the Summary Compensation Table (“SCT”): Compensation Actually Paid to the PEO Table 2022 2021 2020 Total Compensation for CEO as reported SCT for the covered year $ 4,882,383 $ 5,052,401 $ 3,788,636 Deduct $ 0 $ 0 $ 0 Deduct $ 2,163,081 $ 2,238,269 $ 1,868,678 Add $ 0 $ 0 $ 0 Add $ 2,658,456 $ 3,182,881 $ 1,931,088 Add $ 0 $ 0 $ 0 Add $ 0 $ 0 $ 0 Add $ 4,503,936 $ 2,623,284 ($ 76,019 ) Add ($ 116,844 ) $ 992,623 ($ 859,140 ) Subtract $ 0 $ 0 $ 0 Compensation Actually Paid to CEO $ 9,764,850 $ 9,612,920 $ 2,915,886 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,038,048 | 2,129,323 | 1,605,899 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 4,101,128 | 4,100,152 | 1,220,149 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | To calculate the amounts in the “Average Compensation Actually Paid to Non-CEO non-CEO Compensation Actually Paid to the Non-PEO 2022 2021 2020 Total Compensation for Other NEOs as reported SCT for the covered year $ 2,038,048 $ 2,129,323 $ 1,605,899 Deduct $ 0 $ 0 $ 0 Deduct $ 913,432 $ 945,152 $ 789,083 Add $ 0 $ 0 $ 0 Add $ 1,122,620 $ 1,344,033 $ 815,437 Add $ 0 $ 0 $ 0 Add $ 0 $ 0 $ 0 Add $ 1,901,872 $ 1,127,484 ($ 33,856 ) Add ($ 47,979 ) $ 444,464 ($ 378,248 ) Subtract $ 0 $ 0 $ 0 Compensation Actually Paid to Other NEOs $ 4,101,128 $ 4,100,152 $ 1,220,149 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | |||
| Compensation Actually Paid vs. Net Income [Text Block] | |||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | |||
| Total Shareholder Return Vs Peer Group [Text Block] | |||
| Tabular List [Table Text Block] | Financial Performance Measures Pre-Tax Organic Growth in Revenue Earnings Per Share Adjusted Earnings Per Share Total Growth in Revenue | ||
| Total Shareholder Return Amount | $ 173.78 | 145.1 | 98.7 |
| Peer Group Total Shareholder Return Amount | 141.01 | 163.92 | 117.75 |
| Net Income (Loss) | $ 105,350,000 | $ 70,890,000 | $ 78,300,000 |
| Company Selected Measure Amount | 2.05 | 1.35 | 1.44 |
| PEO Name | Mr. Grisko | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Pre-Tax Earnings | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Organic Growth in Revenue | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Earnings Per Share | ||
| Measure [Axis]: 4 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted Earnings Per Share | ||
| Measure [Axis]: 5 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Total Growth in Revenue | ||
| PEO [Member] | Pension Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 0 | $ 0 | $ 0 |
| PEO [Member] | Fair Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,163,081 | 2,238,269 | 1,868,678 |
| PEO [Member] | Change In Pension Value Attributable To Plan Amendments Made [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| PEO [Member] | Fair Values of All Equity Awards Granted Outstanding And Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,658,456 | 3,182,881 | 1,931,088 |
| PEO [Member] | Fair Value as of The Vesting Date of Any Awards Granted Vested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| PEO [Member] | Dividends Paid on Unvested Shares [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| PEO [Member] | Change in Fair Value of Equity Awards Granted, Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 4,503,936 | 2,623,284 | (76,019) |
| PEO [Member] | Change in Fair Value of Equity Awards Granted Vesting Condition [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (116,844) | 992,623 | (859,140) |
| PEO [Member] | Fair Value of Any Equity Awards were Forfeited [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Pension Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Fair Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 913,432 | 945,152 | 789,083 |
| Non-PEO NEO [Member] | Change In Pension Value Attributable To Plan Amendments Made [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Fair Values of All Equity Awards Granted Outstanding And Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,122,620 | 1,344,033 | 815,437 |
| Non-PEO NEO [Member] | Fair Value as of The Vesting Date of Any Awards Granted Vested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Dividends Paid on Unvested Shares [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Change in Fair Value of Equity Awards Granted, Outstanding and Unvested [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,901,872 | 1,127,484 | (33,856) |
| Non-PEO NEO [Member] | Change in Fair Value of Equity Awards Granted Vesting Condition [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (47,979) | 444,464 | (378,248) |
| Non-PEO NEO [Member] | Fair Value of Any Equity Awards were Forfeited [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 0 | $ 0 | $ 0 |
