Equity-Based Compensation - Reconciliation of Equity-Based Compensation (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	$ 58,978		$ 45,286
Apollo Operating Group Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation			15,004
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	58,199		28,727
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	544		1,296
Restricted Depositary Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	235		259
Non-Controlling Interests in Apollo Operating Group [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	473	[1]	10,705	[1]
Less ARI Restricted Stock Awards, ARI RSUs and AMTG RSUs	(473)	[1]	(1,003)	[1]
Capital Increase Related to Equity-Based Compensation	0	[1]	9,702	[1]
Non-Controlling Interests in Apollo Operating Group [Member] | Apollo Operating Group Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of non controlling interest			64.50%
Equity-based compensation			9,702	[1]
Non-Controlling Interests in Apollo Operating Group [Member] | Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of non controlling interest	60.60%		64.50%
Equity-based compensation	330	[1]	836	[1]
Non-Controlling Interests in Apollo Operating Group [Member] | Restricted Depositary Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of non controlling interest	60.60%		65.50%
Equity-based compensation	143	[1]	167	[1]
Apollo Global Management, LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	58,505		34,581
Less ARI Restricted Stock Awards, ARI RSUs and AMTG RSUs	178		(291)
Capital Increase Related to Equity-Based Compensation	58,683		34,290
Apollo Global Management, LLC | Apollo Operating Group Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation			5,302
Apollo Global Management, LLC | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	58,199		28,727
Apollo Global Management, LLC | Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	214		460
Apollo Global Management, LLC | Restricted Depositary Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	$ 92		$ 92

[1] Calculated based on average ownership percentage for the period considering Class A share issuances during the period.