v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2011
Feb. 28, 2012
Jun. 30, 2011
Document Information [Line Items]      
Entity Registrant Name AMERICAN EQUITY INVESTMENT LIFE HOLDING CO    
Entity Central Index Key 0001039828    
Document Type 10-K    
Document Period End Date Dec. 31, 2011    
Amendment Flag false    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q4    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Common Stock Outstanding   59,784,330  
Aggregate Value of Voting and Non-voting Stock Held by Non-affiliates     $ 690,756,206