INTEREST-BEARING DEPOSITS AND SECURITIES (Securities Pledged) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Pledged Financial Instruments, Not Separately Reported, Securities [Abstract]
State and local government public deposits	$ 107,920
Interest rate swap counterparties	7,634
Retail repurchase transaction accounts	107,307
Total pledged securities	222,861
State and local governments public deposits, amortized cost	107,867
Interest rate swap counterparties, amortized cost	7,290
Retail repurchase transaction accounts, amortized cost	107,366
Total pledged securities, amortized cost	222,523
State and local governments public deposits, fair value	110,139
Interest rate swap counterparties, fair value	7,634
Retail repurchase transaction accounts, fair value	107,307
Total pledged securities, fair value	$ 225,080