XML 293 R388.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Average Annual Total Returns (Smaller Company Growth Trust)
12 Months Ended
May 01, 2011
Russell 2000 Growth Index
 
Average Annual Return:  
One Year 29.09%
Since Inception 18.59%
Date of Inception Oct. 06, 2008
Series I, Smaller Company Growth Trust
 
Average Annual Return:  
One Year 25.04%
Since Inception 17.37%
Date of Inception Nov. 13, 2009
Series II, Smaller Company Growth Trust
 
Average Annual Return:  
One Year 24.85%
Since Inception 17.25%
Date of Inception Nov. 13, 2009
Series NAV, Smaller Company Growth Trust
 
Average Annual Return:  
One Year 25.12%
Since Inception 17.40%
Date of Inception Oct. 06, 2008