Related Party Transactions and Interests in Consolidated Entities - Due from Affiliates and Due to Affiliates (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Due from Affiliates:
Total Due from Affiliates	$ 388,180		$ 317,247
Due to Affiliates:
Total Due to Affiliates	547,058		595,371
Private Equity Funds
Due from Affiliates:
Total Due from Affiliates	47,742		57,582
Due to Affiliates:
Total Due to Affiliates	2,322		825
Portfolio companies [Member]
Due from Affiliates:
Total Due from Affiliates	40,267		23,484
Credit
Due from Affiliates:
Total Due from Affiliates	283,852	[1]	216,750	[1]
Due to Affiliates:
Total Due to Affiliates	2,725		1,773
Employees [Member]
Due from Affiliates:
Total Due from Affiliates	1,381		2,659
Due to Affiliates:
Total Due to Affiliates	18,687		67,290
Real Estate
Due from Affiliates:
Total Due from Affiliates	14,923		12,119
Other Affiliates [Member]
Due from Affiliates:
Total Due from Affiliates	15		4,653
Managing Partners [Member]
Due to Affiliates:
Total Due to Affiliates	$ 523,324		$ 525,483

[1] Includes Athene Services Derivative as discussed in "Athene" below.