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
Mar. 31, 2013
Dec. 31, 2012
Summary of plan assets investments    
Fair value of plan assets $ 649,609 $ 633,617
Fair value of plan assets, Percentage 100.00% 100.00%
Cash [Member]
   
Summary of plan assets investments    
Fair value of plan assets 0 22
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 325,470 312,479
Fair value of plan assets, Percentage 51.00% 49.00%
Huntington funds - money market [Member]
   
Summary of plan assets investments    
Fair value of plan assets 1,746 6,012
Fair value of plan assets, Percentage 0.00% 1.00%
Huntington funds - fixed income funds [Member]
   
Summary of plan assets investments    
Fair value of plan assets 85,056 84,688
Fair value of plan assets, Percentage 13.00% 13.00%
Huntington common stock [Member]
   
Summary of plan assets investments    
Fair value of plan assets 42,719 37,069
Fair value of plan assets, Percentage 7.00% 6.00%
Other - equity mutual funds [Member]
   
Summary of plan assets investments    
Fair value of plan assets 974 0
Fair value of plan assets, Percentage 0.00% 0.00%
Corporate Obligations [Member]
   
Summary of plan assets investments    
Fair value of plan assets 150,888 149,241
Fair value of plan assets, Percentage 23.00% 24.00%
U.S. Government Agencies [Member]
   
Summary of plan assets investments    
Fair value of plan assets 7,292 7,511
Fair value of plan assets, Percentage 1.00% 1.00%
U.S. Government Obligations [Member]
   
Summary of plan assets investments    
Fair value of plan assets $ 35,464 $ 36,595
Fair value of plan assets, Percentage 5.00% 6.00%