Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

QUARTERLY FINANCIAL DATA (UNAUDITED) (Parentheticals) (Details 1) - USD ($) $ in Millions	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015
CNB and FNBNY
Costs associated with acquisition	$ (0.7)	$ (0.3)
CNB
Costs associated with acquisition			$ 0.5	$ 0.9	$ 8.2	$ 0.2