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	Limited Partner
Balance, beginning of period at Dec. 31, 2020		$ (20,171)	$ (33,898)	$ 1,410	$ 1,656,816
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 81,087			83	81,004
Cash distributions to Unitholders				(98)	(97,947)
Retirement of AB Holding Units					(29,847)
Issuance of AB Holding Units to fund long-term incentive compensation plan awards					100,861
Exercise of compensatory options to buy AB Holding Units					1,914
Change in AB Holding Units held by AB to fund long-term incentive compensation plans		(31,802)
Foreign currency translation adjustment, net of tax			(2,762)
Changes in employee benefit related items, net of tax			(274)
Balance, end of period at Mar. 31, 2021	1,625,289	(51,973)	(36,934)	1,395	1,712,801
Balance, beginning of period at Dec. 31, 2021	1,621,624	(43,309)	(32,705)	1,439	1,696,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	85,928			87	85,841
Cash distributions to Unitholders				(129)	(127,543)
Retirement of AB Holding Units					(11,707)
Issuance of AB Holding Units to fund long-term incentive compensation plan awards	27,362				27,362
Exercise of compensatory options to buy AB Holding Units					0
Change in AB Holding Units held by AB to fund long-term incentive compensation plans	(4,093)	(4,093)
Foreign currency translation adjustment, net of tax			(4,287)
Changes in employee benefit related items, net of tax			83
Balance, end of period at Mar. 31, 2022	$ 1,587,238	$ (47,402)	$ (36,909)	$ 1,397	$ 1,670,152