INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Investments, Debt and Equity Securities [Abstract]
Document Period End Date	Jun. 30, 2013
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Due in one year or less, amortized cost	$ 11,930	$ 16,369
Due after one year thorugh five years, amortized cost	301,551	205,913
Due after five years through ten years, amortized cost	85,648	132,372
Due after ten years through twenty years, amortized cost	30,115	43,386
Due after twenty years, amortized cost	45,593	71,610
Amoritzed cost	474,837	469,650
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due one year or less, fair value	12,031	16,393
Due after one year through five years, fair value	298,992	207,147
Due after five years through ten years, fair value	83,758	133,407
due after ten years through twenty years, fair value	29,665	43,414
Due after twenty years, fair value	44,691	72,559
Fair Value	$ 469,137	$ 472,920