Huntington Bancshares Incorporated Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale and Other Securities (Credit Ratings) (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Pooled Trust Preferred [Member]
Schedule of Credit Rating by Investment Security Type [Line Items]
Amortized Cost	$ 138,098	$ 139,194
Fair Value	89,155	82,738
Private label CMO [Member]
Schedule of Credit Rating by Investment Security Type [Line Items]
Fair Value	$ 40,254	$ 41,926