Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS - Fair Value of Plan Assets (Details)

v3.3.1.900
BENEFIT PLANS - Fair Value of Plan Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Summary of plan assets investments    
Fair value of plan assets $ 594,217 $ 653,013
Fair value of plan assets, Percentage 100.00% 100.00%
Federated-money market    
Summary of plan assets investments    
Fair value of plan assets $ 15,590 $ 0
Fair value of plan assets, Percentage 3.00% 0.00%
Huntington funds—money market    
Summary of plan assets investments    
Fair value of plan assets $ 0 $ 16,136
Fair value of plan assets, Percentage 0.00% 2.00%
Corporate obligations    
Summary of plan assets investments    
Fair value of plan assets $ 205,081 $ 218,077
Fair value of plan assets, Percentage 34.00% 33.00%
U.S. Government Obligations    
Summary of plan assets investments    
Fair value of plan assets $ 64,456 $ 62,627
Fair value of plan assets, Percentage 11.00% 10.00%
Mutual funds-fixed income    
Summary of plan assets investments    
Fair value of plan assets $ 32,874 $ 34,761
Fair value of plan assets, Percentage 6.00% 5.00%
U.S. Government Agencies    
Summary of plan assets investments    
Fair value of plan assets $ 6,979 $ 7,445
Fair value of plan assets, Percentage 1.00% 1.00%
Mutual funds-equities    
Summary of plan assets investments    
Fair value of plan assets $ 136,026 $ 147,191
Fair value of plan assets, Percentage 23.00% 23.00%
Other common stock    
Summary of plan assets investments    
Fair value of plan assets $ 120,046 $ 118,970
Fair value of plan assets, Percentage 20.00% 18.00%
Huntington funds    
Summary of plan assets investments    
Fair value of plan assets $ 0 $ 37,920
Fair value of plan assets, Percentage 0.00% 6.00%
Exchange Traded Funds    
Summary of plan assets investments    
Fair value of plan assets $ 6,530 $ 6,840
Fair value of plan assets, Percentage 1.00% 1.00%
Limited Partnerships    
Summary of plan assets investments    
Fair value of plan assets $ 6,635 $ 3,046
Fair value of plan assets, Percentage 1.00% 1.00%