Consolidated Statements of Assets and Liabilities - USD ($)	Dec. 31, 2024		Dec. 31, 2023
Investments, at fair value
Total investments, at fair value	$ 1,630,349,305		$ 1,311,120,584
Cash and cash equivalents	52,178,854		72,671,928
Interest receivable	8,578,553		8,445,019
Receivable for investments sold	25,770		47,127
Deferred financing costs	2,835,743		2,461,248
Total assets	1,693,995,225		1,394,763,906
Liabilities
Notes payable (net of unamortized discount of $353,110 and $390,381, respectively, and debt issuance costs of $2,250,921 and $3,681,044, respectively)	544,145,969	[1]	542,678,575	[2]
Credit facility payable	502,250,000		311,500,000
Interest and borrowing expenses payable	11,991,564		12,779,336
Distribution payable	6,097,343		5,740,909
Incentive fee payable	3,352,536		3,369,132
Management fees payable	5,451,281		4,479,535
Professional fees payable	574,434		496,289
Administrator and custodian fees payable	765,843		832,176
Accrued expenses and other liabilities	107,033		0
Accrued tax liability	288,433		241,195
Payable for investments purchased	6,568		0
Transfer agent fees payable	37,384		35,381
Secured borrowings	2,845,117		2,325,617
Total liabilities	1,086,943,680		890,566,661
Commitments and Contingencies
Net Assets
Common stock, par value $0.01 per share (200,000,000 shares authorized, 63,702,963 and 54,364,707 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively)	637,030		543,647
Paid-in capital in excess of par value	612,231,039		524,279,891
Distributable earnings (accumulated loss)	(5,878,938)		(20,678,340)
Total net assets of AB Private Credit Investors Corporation	606,989,131		504,145,198
Non-Controlling Interest in ABPCIC Equity Holdings, LLC	62,414		52,047
Total net assets	607,051,545		504,197,245
Total liabilities and net assets	$ 1,693,995,225		$ 1,394,763,906
Net asset value per share of AB Private Credit Investors Corporation	$ 9.53		$ 9.27
Non-controlled or non-affiliated investments [Member]
Investments, at fair value
Total investments, at fair value	$ 1,629,513,317		$ 1,307,655,721
Non-Controlled Affiliates [Member]
Investments, at fair value
Total investments, at fair value	835,988		3,464,863
Related Party [Member]
Investments, at fair value
Receivable for fund shares	27,000		18,000
Liabilities
Account payables	7,838,223		4,930,240
Officer [Member]
Liabilities
Account payables	$ 1,191,952		$ 1,158,276

[1] Carrying value is net of unamortized discount and debt issuance costs. Unamortized discount and debt issuance costs associated with the Notes totaled $353,110 and $2,250,921 as of December 31, 2024 and are reflected on the consolidated statements of assets and liabilities.

[2] Carrying value is net of unamortized discount and debt issuance costs. Unamortized discount and debt issuance costs associated with the Notes totaled $390,381 and $3,681,044 as of December 31, 2023 and are reflected on the consolidated statements of assets and liabilities.