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Valuation and Qualifying Account - Allowance for Doubtful Accounts
 12 Months Ended
Dec. 31, 2023
AB  
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]  
Valuation and Qualifying Account - Allowance for Doubtful Accounts
AllianceBernstein L.P.
Valuation and Qualifying Account - Allowance for Doubtful Accounts
For the Three Years Ending December 31, 2023, 2022 and 2021
DescriptionBalance at
Beginning
of Period		Credited to
Costs and
Expenses		DeductionsBalance at
End
of Period
 (in thousands)
For the year ended December 31, 2023$232 $72 $5 
(a)
$299 
For the year ended December 31, 2022$328 $— $96 
(b)
$232 
For the year ended December 31, 2021$311 $— $(17)
(c)
$328 
(a)Includes accounts written-off as uncollectible of $5.
(b)Includes accounts written-off as uncollectible of $96.
(c)Includes a net addition to the allowance balance of $28 and accounts written-off as uncollectible of $11.