SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Number of office locations	120
Number of office locations in Pennsylvania	119
Number of office locations in Maryland	1
Advertising expense	$ 5,543	$ 5,614	$ 5,895
Restricted cash	52,400	88,700
Percentage of the entity's capital and surplus required for subscription of Federal Reserve Bank stock (in hundredths)	6.00%
Core deposit intangibles, useful life (in years)	10 years
Ownership of investments accounted for using equity method, minimum (in hundredths)	20.00%
Ownership of investments accounted for using equity method, maximum (in hundredths)	50.00%
Number Of Statutory Business Trusts	5
Exposure to the Trusts, maximum	75,000
Debentures at fair value		$ 65,200
Percentage of likelihood of being realized upon ultimate settlement with the relevant tax authority (in hundredths)	50.00%
Vesting period of stock options, minimum (in years)	1 year
Vesting period of stock options, maximum (in years)	5 years
Maximum term of incentive stock options (in years)	10 years
Maximum term of non-qualified stock options (in years and months)	10 years 1 month