SUBSEQUENT EVENTS	12 Months Ended
Dec. 31, 2025
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS Finalization of Working Capital Adjustment Related to Transaction On January 26, 2026, the Company finalized the working capital and related purchase price adjustment associated with the Transaction in accordance with the applicable provisions of the Merger Agreement. As a result, the Company received approximately $50.0 million in cash on January 26, 2026. In addition, the Company recorded a notes receivable of $10.7 million, of which $3.5 million was received on January 26, 2026, from Marcum and Marcum Partners SPV LLC, entities not owned by CBIZ, related to the remaining working capital payments. Share Repurchase Program On February 11, 2026, our Board of Directors authorized the continuation of the Share Repurchase Program, which has been renewed annually for the past twenty years. It is effective beginning March 31, 2026, to which the amount of shares to be purchased will be reset to 5.0 million, and expires one year from the respective effective date. The Share Repurchase Program allows the Company to purchase shares of its common stock (i) in the open market, (ii) in privately negotiated transactions, or (iii) under Rule 10b5-1 trading plans. Privately negotiated transactions may include purchases from employees, officers and directors, in accordance with SEC rules. Privately negotiated transactions may also include purchases from former partners of Marcum pursuant to the Company’s right, but not obligation, to repurchase any shares issued to such former partners as consideration in the Transaction, in the event that the former partner intends to sell the shares in a market transaction in the four years following closing. Rule 10b5-1 trading plans allow for repurchases during periods when the Company would not normally be active in the trading market due to regulatory restrictions. The Share Repurchase Program does not obligate the Company to acquire any specific number of shares and may be suspended at any time. Any repurchases would only be made to the extent permitted under the Company’s current or any future credit facility.

On January 26, 2026, the Company finalized the working capital and related purchase price adjustment associated with the Transaction in accordance with the applicable provisions of the Merger Agreement. As a result, the Company received approximately $50.0 million in cash on January 26, 2026. In addition, the Company recorded a notes receivable of $10.7 million, of which $3.5 million was received on January 26, 2026, from Marcum and Marcum Partners SPV LLC, entities not owned by CBIZ, related to the remaining working capital payments.

On February 11, 2026, our Board of Directors authorized the continuation of the Share Repurchase Program, which has been renewed annually for the past twenty years. It is effective beginning March 31, 2026, to which the amount of shares to be purchased will be reset to 5.0 million, and expires one year from the respective effective date. The Share Repurchase Program allows the Company to purchase shares of its common stock (i) in the open market, (ii) in privately negotiated transactions, or (iii) under Rule 10b5-1 trading plans.

Privately negotiated transactions may include purchases from employees, officers and directors, in accordance with SEC rules. Privately negotiated transactions may also include purchases from former partners of Marcum pursuant to the Company’s right, but not obligation, to repurchase any shares issued to such former partners as consideration in the Transaction, in the event that the former partner intends to sell the shares in a market transaction in the four years following closing. Rule 10b5-1 trading plans allow for repurchases during periods when the Company would not normally be active in the trading market due to regulatory restrictions. The Share Repurchase Program does not obligate the Company to acquire any specific number of shares and may be suspended at any time. Any repurchases would only be made to the extent permitted under the Company’s current or any future credit facility.