Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income	$ 60,558	$ 68,141	$ 127,995	$ 154,069
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income attributable to AB Unitholders	(69,121)	(75,358)	(145,503)	(169,711)
Cash distributions received from AB			171,308	235,075
Changes in assets and liabilities:
(Increase) in other assets			(213)	0
(Decrease) in other liabilities			(1,271)	(1,412)
Net cash provided by operating activities			152,316	218,021
Cash flows from investing activities:
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			(154,346)	(217,648)
Capital contributions from (to) AB			2,030	(373)
Proceeds from exercise of compensatory options to buy AB Holding Units			0	178
Net cash used in financing activities			(152,316)	(217,843)
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	$ 0	$ 0