Changes in Capital (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Summary of Changes in Capital

Changes in capital during the three-month period ended March 31, 2019 were as follows: 

	Partners’ Capital Attributable to AB Unitholders			Non-Redeemable Non-Controlling Interests In Consolidated Entities			Total Capital
	(in thousands)
Balance as of December 31, 2018	$	3,915,260		$	949		$	3,916,209
Comprehensive income:
Net income	149,114			16			149,130
Other comprehensive income, net of tax:
Foreign currency translation adjustments	2,573			(20		)	2,553
Changes in employee benefit related items	283			—			283
Comprehensive income	151,970			(4		)	151,966
Distributions to General Partner and unitholders	(191,485		)	—			(191,485		)
Compensation-related transactions	(32,001		)	—			(32,001		)
Capital contributions to affiliates	(932		)	—			(932		)
Balance as of March 31, 2019	$	3,842,812		$	945		$	3,843,757

Changes in capital during the three-month period ended March 31, 2018 were as follows:

	Partners’ Capital Attributable to AB Unitholders			Non-redeemable Non-Controlling Interests In Consolidated Entities			Total Capital
	(in thousands)
Balance as of December 31, 2017	$	4,061,740		$	1,564		$	4,063,304
Comprehensive income:
Net income	184,196			54			184,250
Other comprehensive income, net of tax:
Foreign currency translation adjustments	9,904			17			9,921
Changes in employee benefit related items	170			—			170
Comprehensive income	194,270			71			194,341
Distributions to General Partner and unitholders	(247,773		)	—			(247,773		)
Compensation-related transactions	14,334			—			14,334
Capital contributions from affiliates	(1,677		)	—			(1,677		)
Distributions to non-controlling interests of our consolidated venture capital fund	—			(5		)	(5		)
Impact of adoption of revenue recognition standard ASC 606	34,951			—			34,951
Balance as of March 31, 2018	$	4,055,845		$	1,630		$	4,057,475