Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Details 1)

v2.4.0.6
Benefit Plans (Details 1) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Summary of plan assets investments    
Fair value of plan assets $ 643,543 $ 538,970
Cash [Member]
   
Summary of plan assets investments    
Fair value of plan assets 1,786 25
Fair value of plan assets, Percentage 0.00% 0.00%
Huntington funds - equity funds [Member]
   
Summary of plan assets investments    
Fair value of plan assets 312,303 283,963
Fair value of plan assets, Percentage 49.00% 53.00%
Huntington funds - money market [Member]
   
Summary of plan assets investments    
Fair value of plan assets 22,911 39,943
Fair value of plan assets, Percentage 4.00% 7.00%
Huntington funds - fixed income funds [Member]
   
Summary of plan assets investments    
Fair value of plan assets 107,122 174,615
Fair value of plan assets, Percentage 17.00% 32.00%
Huntington common stock [Member]
   
Summary of plan assets investments    
Fair value of plan assets 39,998 40,424
Fair value of plan assets, Percentage 6.00% 8.00%
Corporate Obligations [Member]
   
Summary of plan assets investments    
Fair value of plan assets 124,530 0
Fair value of plan assets, Percentage 19.00% 0.00%
U.S. Government Agencies [Member]
   
Summary of plan assets investments    
Fair value of plan assets $ 34,893 $ 0
Fair value of plan assets, Percentage 5.00% 0.00%