BORROWINGS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Short-term Debt [Line Items]
Total Short-Term Borrowings	$ 328,604		$ 356,219		$ 316,163
FHLB Borrowings [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	175,245	[1]	190,091	[1]
Customer Repurchase Agreements [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	153,359		166,128
Parent Company [Member] | FHLB Borrowings [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	$ 12,000
Parent Company [Member] | FHLB Borrowings [Member] | LIBOR [Member] | Line of Credit [Member]
Short-term Debt [Line Items]
Basis spread on variable rate	1.60%

[1] Includes a $12.0 million Parent Company outstanding line of credit with a variable rate of LIBOR plus 1.60%.