Condensed Statements of Changes in Partners’ Capital - USD ($) $ in Thousands	Total	AB Holding Units held by AB to fund long-term incentive compensation plans	Accumulated Other Comprehensive (Loss)	General Partner’s Capital	Limited Partners’ Capital
Balance, beginning of period at Dec. 31, 2022		$ (37,551)	$ (51,008)	$ 1,355	$ 2,160,207
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 67,437			60	67,377
Cash distributions to Unitholders				(70)	(79,240)
Retirement of AB Holding Units					(15,956)
Issuance of AB Holding Units to fund long-term incentive compensation plan awards					3,446
Change in AB Holding Units held by AB to fund long-term incentive compensation plans		498
Foreign currency translation adjustment, net of tax	2,491		2,491
Changes in employee benefit related items, net of tax	145		145
Balance, end of period at Mar. 31, 2023	2,051,754	(37,053)	(48,372)	1,345	2,135,834
Balance, beginning of period at Dec. 31, 2023	2,076,245	(30,185)	(42,044)	1,327	2,147,147
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	77,222			67	77,155
Cash distributions to Unitholders				(77)	(88,489)
Retirement of AB Holding Units	(531)				(531)
Issuance of AB Holding Units to fund long-term incentive compensation plan awards	16,014				16,014
Change in AB Holding Units held by AB to fund long-term incentive compensation plans		(7,853)
Foreign currency translation adjustment, net of tax	(4,165)		(4,165)
Changes in employee benefit related items, net of tax	6		6
Balance, end of period at Mar. 31, 2024	$ 2,068,372	$ (38,038)	$ (46,203)	$ 1,317	$ 2,151,296