CASH AND SECURITIES (Securities Pledged) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Pledged Financial Instruments, Not Separately Reported, Securities [Abstract]
State and local governments public deposits, carrying value	$ 123,299
Interest rate swap counterparties, carrying value	8,864
Retail repurchase transaction accounts, carrying value	100,000
Other, carrying value	3,315
Total pledged securities, carrying value	235,478
State and local governments public deposits, amortized cost	123,406
Interest rate swap counterparties, amortized cost	8,582
Retail repurchase transaction accounts, amortized cost	100,086
Other, amortized cost	3,282
Total pledged securities, amortized cost	235,356
State and local governments public deposits, fair value	124,843
Interest rate swap counterparties, fair value	8,864
Retail repurchase transaction accounts, fair value	100,000
Other, fair value	3,315
Total pledged securities, fair value	$ 237,022