Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 68,141	$ 90,917	$ 154,069	$ 172,004
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income attributable to AB Unitholders	(75,358)	(97,407)	(169,711)	(186,314)
Cash distributions received from AB			235,075	194,245
Changes in assets and liabilities:
Decrease in other assets			0	76
(Decrease) in other liabilities			(1,412)	(1,111)
Net cash provided by operating activities			218,021	178,900
Cash flows from investing activities:
Investments in AB with proceeds from exercise of compensatory options to buy AB Holding Units	(178)		(178)	(3,402)
Net cash used in investing activities			(178)	(3,402)
Cash flows from financing activities:
Cash distributions to Unitholders			(217,648)	(179,308)
Capital contributions (to) from AB			(373)	408
Proceeds from exercise of compensatory options to buy AB Holding Units			178	3,402
Net cash used in financing activities			(217,843)	(175,498)
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	$ 0	$ 0