ACQUISITIONS AND FDIC INDEMNIFICATION ASSET: (Details 2) $ in Millions	54 Months Ended
Dec. 31, 2013 USD ($)
FDIC Indemnification Asset [Roll Forward]
Reimbursements from the FDIC	$ (24.3)

Amount of decreases to the indemnification asset due to cash payments received relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration