Quarterly report pursuant to Section 13 or 15(d)

VIEs - Trust preferred Securities (Details)

v3.5.0.2
VIEs - Trust preferred Securities (Details)
$ in Thousands
 3 Months Ended
Jun. 30, 2016
USD ($)
Summary of Outstanding Trust Preferred Securities  
Principal amount of subordinated note/ debenture issued to trust $ 317,122
Investment in unconsolidated subsidiary $ 13,919
Summary of Outstanding Trust Preferred Securities (Textuals) [Abstract]  
Maximum year to defer payment of interest on Debenture 5 years
Huntington Capital I  
Summary of Outstanding Trust Preferred Securities  
Interest rate on Trust Preferred Securities 1.34%
Principal amount of subordinated note/ debenture issued to trust $ 111,816
Investment in unconsolidated subsidiary $ 6,186
Huntington Capital I | Three-Month LIBOR  
Summary of Outstanding Trust Preferred Securities (Textuals) [Abstract]  
Rate spread over three month LIBOR 0.70%
Huntington Capital II  
Summary of Outstanding Trust Preferred Securities  
Interest rate on Trust Preferred Securities 1.28%
Principal amount of subordinated note/ debenture issued to trust $ 54,593
Investment in unconsolidated subsidiary $ 3,093
Huntington Capital II | Three-Month LIBOR  
Summary of Outstanding Trust Preferred Securities (Textuals) [Abstract]  
Rate spread over three month LIBOR 0.625%
Sky Financial Capital Trust III  
Summary of Outstanding Trust Preferred Securities  
Interest rate on Trust Preferred Securities 2.03%
Principal amount of subordinated note/ debenture issued to trust $ 72,165
Investment in unconsolidated subsidiary $ 2,165
Sky Financial Capital Trust III | Three-Month LIBOR  
Summary of Outstanding Trust Preferred Securities (Textuals) [Abstract]  
Rate spread over three month LIBOR 1.40%
Sky Financial Capital Trust IV  
Summary of Outstanding Trust Preferred Securities  
Interest rate on Trust Preferred Securities 2.03%
Principal amount of subordinated note/ debenture issued to trust $ 74,320
Investment in unconsolidated subsidiary $ 2,320
Camco Financial Trust  
Summary of Outstanding Trust Preferred Securities  
Interest rate on Trust Preferred Securities 3.09%
Principal amount of subordinated note/ debenture issued to trust $ 4,228
Investment in unconsolidated subsidiary $ 155
Camco Financial Trust | Three-Month LIBOR  
Summary of Outstanding Trust Preferred Securities (Textuals) [Abstract]  
Rate spread over three month LIBOR 1.33%