Earnings Per Common Unit - Additional Information (Detail) (USD $)	8 Months Ended
	Dec. 31, 2012
Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Carlyle Holdings partnership units deemed dilutive	259,698,987
Incremental net income from assumed exchange of Carlyle Holdings partnership units	$ 87,100,000
Weighted-average vested Carlyle Holdings partnership units [Member]
Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Carlyle Holdings partnership units deemed dilutive	205,215,204
Unvested Carlyle Holdings partnership units [Member]
Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Carlyle Holdings partnership units deemed dilutive	8,224,476