Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 705,021	$ 640,206
Cash and securities segregated, at fair value (cost: $952,164 and $1,164,375)	958,149	1,169,554
Receivables, net:
Brokers and dealers	119,256	197,048
Brokerage clients	1,544,227	1,718,629
AB funds fees	198,161	217,470
Other fees	130,337	127,462
Investments:
Long-term incentive compensation-related	48,776	52,429
Other	274,429	661,915
Other assets	284,835	297,940
Furniture, equipment and leasehold improvements, net	151,812	155,519
Goodwill	3,076,926	3,066,700
Intangible assets, net	65,705	79,424
Deferred sales commissions, net	27,359	17,148
Right-of-use assets	380,587
Total assets	8,555,271	8,789,098
Payables:
Brokers and dealers	199,752	290,960
Securities sold not yet purchased	13,690	8,623
Brokerage clients	2,380,661	3,095,458
AB mutual funds	86,696	74,599
Accounts payable and accrued expenses	198,269	412,313
Lease liabilities	491,127
Liabilities	4,398,256	4,724,080
Accrued compensation and benefits	606,881	273,250
Debt	383,107	546,267
Commitments and contingencies (See Note 12)
Redeemable non-controlling interest	291,524	148,809
Capital:
General Partner	39,997	40,240
Limited partners: 268,182,957 and 268,850,276 units issued and outstanding	4,052,581	4,075,306
Receivables from affiliates	(9,304)	(11,430)
AB Holding Units held for long-term incentive compensation plans	(95,713)	(77,990)
Accumulated other comprehensive loss	(122,070)	(110,866)
Partners’ capital attributable to AB Unitholders	3,865,491	3,915,260
Non-redeemable non-controlling interests in consolidated entities	0	949
Total capital	3,865,491	3,916,209
Total liabilities, redeemable non-controlling interest and capital	8,555,271	8,789,098
Company-sponsored investment funds
Investments:
Cash and cash equivalents	17,009	13,118
Investments	536,282	351,696
Other assets	36,400	22,840
Payables:
Liabilities	38,073	22,610
Redeemable non-controlling interest	291,524	145,921
Capital:
Non-redeemable non-controlling interests in consolidated entities	$ 0	$ 0