DERIVATIVE INSTRUMENTS (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Forward Commitments [Member]
Derivative [Line Items]
Notional amount	$ 298,600,000	$ 221,700,000
Difference in carrying value and fair value, reflecting a loss		1,500,000
Difference in carrying value and fair value, reflecting a gain	7,000,000
Loan/Lease Interest Rate Swaps [Member]
Derivative [Line Items]
Notional amount	465,000,000	481,200,000
Average maturity	57 months	59 months
Average interest receive rate	2.50%	2.60%
Average interest pay rate	5.60%	5.90%
Fixed Rate Mortgages [Member]
Derivative [Line Items]
Notional amount	173,700,000	246,800,000
Difference in carrying value and fair value, reflecting a gain	$ 292,000	$ 5,000,000