Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 640,206	$ 671,930
Cash and securities segregated, at fair value (cost $1,169,461 and $816,350)	1,169,554	816,350
Receivables, net:
Brokers and dealers	197,048	199,690
Brokerage clients	1,718,629	1,647,059
AB funds fees	217,470	212,115
Other fees	127,462	130,119
Investments:
Long-term incentive compensation-related	52,429	66,034
Other	661,915	377,555
Cash and cash equivalents	653,324	998,448
Other assets	297,940	193,505
Furniture, equipment and leasehold improvements, net	155,519	157,569
Goodwill	3,066,700	3,066,700
Intangible assets, net	79,424	105,784
Deferred sales commissions, net	17,148	30,126
Total assets	8,789,098	9,282,734
Payables:
Brokers and dealers	290,960	237,861
Securities sold not yet purchased	8,623	29,961
Brokerage clients	3,095,458	2,229,371
AB mutual funds	74,599	82,967
Accounts payable and accrued expenses	412,313	503,227
Accrued compensation and benefits	273,250	270,610
Debt	546,267	565,745
Total liabilities	4,724,080	4,617,843
Commitments and contingencies (See Note 14)
Redeemable non-controlling interest	148,809	601,587
Capital:
General Partner	40,240	41,221
Limited partners: 268,850,276 and 268,659,333 units issued and outstanding	4,075,306	4,168,841
Receivables from affiliates	(11,430)	(11,494)
AB Holding Units held for long-term incentive compensation plans	(77,990)	(42,688)
Accumulated other comprehensive loss	(110,866)	(94,140)
Partners’ capital attributable to AB Unitholders	3,915,260	4,061,740
Non-redeemable non-controlling interests in consolidated entities	949	1,564
Total capital	3,916,209	4,063,304
Total liabilities and capital	8,789,098	9,282,734
Consolidated Company-Sponsored Investment Funds
Investments:
Cash and cash equivalents	13,118	326,518
Investments	351,696	1,246,283
Other assets	22,840	35,397
Payables:
Liabilities of consolidated company-sponsored investment funds	$ 22,610	$ 698,101