Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS SUBSEQUENT EVENTS (Details)

v3.6.0.2
SUBSEQUENT EVENTS SUBSEQUENT EVENTS (Details) - FirstMerit Bank
$ / shares in Units, $ in Billions
Aug. 16, 2016
USD ($)
$ / shares
Business Combination, Separately Recognized Transactions [Line Items]  
Stock and cash value of merger | $ $ 3.7
Consideration transfered (in shares per share) $ 1.72
Cash transfered (in USD per share) $ 5.00