Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 1,013,811	$ 679,738
Cash and securities segregated, at fair value (cost: $1,865,268 and $1,090,443)	1,869,313	1,094,866
Receivables, net:
Brokers and dealers	123,695	97,966
Brokerage clients	1,511,036	1,536,674
AB funds fees	224,101	261,588
Other fees	135,668	148,744
Investments:
Long-term incentive compensation-related	55,061	50,902
Other	198,631	215,892
Other assets	292,024	330,943
Furniture, equipment and leasehold improvements, net	128,081	145,251
Goodwill	3,082,778	3,076,926
Intangible assets, net	47,989	55,366
Deferred sales commissions, net	63,395	36,296
Right-of-use assets	303,240	362,693
Total assets	9,319,932	8,706,092
Payables:
Brokers and dealers	218,620	201,778
Securities sold not yet purchased	13,984	30,157
Brokerage clients	3,472,228	2,531,946
AB mutual funds	58,197	71,142
Accounts payable and accrued expenses	195,930	192,110
Lease liabilities	395,697	468,451
Accrued compensation and benefits	640,564	276,829
Debt	300,000	560,000
Total liabilities	5,325,111	4,363,430
Commitments and contingencies (See Note 12)
Redeemable non-controlling interest	56,990	325,561
Capital:
General Partner	40,279	41,225
Limited partners: 268,362,084 and 270,380,314 units issued and outstanding	4,081,265	4,174,201
Receivables from affiliates	(8,706)	(9,011)
AB Holding Units held for long-term incentive compensation plans	(64,319)	(76,310)
Accumulated other comprehensive loss	(110,688)	(113,004)
Partners’ capital attributable to AB Unitholders	3,937,831	4,017,101
Total liabilities, redeemable non-controlling interest and capital	9,319,932	8,706,092
Company-sponsored investment funds
Investments:
Cash and cash equivalents	29,207	11,433
Investments	228,176	581,004
Other assets	13,726	19,810
Payables:
Redeemable non-controlling interest	56,990	325,561
VIEs
Payables:
Liabilities of consolidated company-sponsored investment funds	$ 29,891	$ 31,017