Acquisition	3 Months Ended
	Mar. 31, 2022
Business Combination and Asset Acquisition [Abstract]
Acquisition	AcquisitionOn March 17, 2022, AB Holding and AB entered into a transaction agreement to acquire 100% of the equity interests of CarVal Investors, L.P. (“CarVal”) in exchange for (i) AB Holding Units to be delivered in 2022 (“Upfront Payment”), and (ii) the issuance of additional AB Holding Units at future dates that are contingent upon achievement of performance hurdles by CarVal during the six-year period beginning January 1, 2022 and ending on December 31, 2027. The Upfront Payment will total approximately $750,000,000 and consist of the AB Holding Units discussed above as well as cash to fund certain CarVal business expenses and other obligations. Immediately following the acquisition of CarVal by AB Holding, AB Holding will contribute all of the equity interests of CarVal to AB in exchange for AB Units. The transaction is expected to close in the third quarter of 2022. The transaction agreement has been filed as Exhibit 10.1 to this Form 10-Q.