Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 184,986	$ 210,385
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income attributable to AB Unitholders	(211,264)	(233,616)
Cash distributions received from AB	248,529	313,438
Changes in assets and liabilities:
(Decrease) in other liabilities	(1,071)	(1,531)
Net cash provided by operating activities	221,180	288,676
Cash flows from investing activities:
Acquisition of business, net cash acquired	0	40,777
Contribution of CarVal to AB	0	(40,777)
Investments in AB with proceeds from exercise of compensatory options to buy AB Holding Units	0	(178)
Net cash used in investing activities	0	(178)
Cash flows from financing activities:
Cash distributions to Unitholders	(223,679)	(288,988)
Capital contributions from AB	2,499	312
Proceeds from exercise of compensatory options to buy AB Holding Units	0	178
Net cash used in financing activities	(221,180)	(288,498)
Change in cash and cash equivalents	0	0
Cash and cash equivalents as of beginning of period	0	0
Cash and cash equivalents as of end of period	0	0
Non-cash investing activities:
Fair value of assets acquired (less cash acquired of $40.8 million in 2022)	0	1,052,062
Fair value of liabilities assumed	0	300,381
Fair value of redeemable non-controlling interest assumed	0	13,191
Fair value of assets contributed to AB (less cash acquired of $40.8 million in 2022)	0	(1,052,062)
Fair value of liabilities contributed to AB	0	(300,381)
Fair value of redeemable non-controlling interest contributed to AB	0	(13,191)
Non-cash financing activities:
Payables recorded under contingent payment arrangements	0	227,071
Equity consideration issued/to be issued in connection with acquisition	0	552,196
Payables contributed to AB under contingent payment arrangements	0	(227,071)
Equity consideration received/to be received from AB in connection with acquisition	$ 0	$ (552,196)