CASH AND SECURITIES (Textuals) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 security	Dec. 31, 2012 security	Dec. 31, 2011 security
Cash and Cash Equivalents [Abstract]
Required cash reserve	$ 30,000,000	$ 25,400,000
Trading Securities [Abstract]
Trading securities, number of securities sold	44	8	0
Trading securites, proceeds from sale	34,308,000	5,073,000	0
Trading securities, realized gain	1,500,000	13,000
Trading Securities, Realized Gain, Recoveries	(1,000,000)
Trading securities, OTTI charges	(409,000)	409,000	0
Trading securities, number of securities in nonaccrual status	0	0	0
Trading Securities, Unrealized Holding Loss	1,500,000
Trading securities, unrealized holding gain		6,300,000	754,000
Available-for-sale Securities [Abstract]
Available-for-sale securities, number of securities sold	35	3	4
Available-for-sale securities, sale proceeds	103,000,000	13,000,000	28,000,000
Available-for-sale securities, OTTI charges		0	0
Available-for-sale securities, gross realized gain (loss)	(116,000)	38,000	(5,000)
Available-for-sale securities, unrealized loss position, number of securities	114	52	26
Held-to-maturity Securities [Abstract]
Held-to-maturity securities, number of securities sold	0	0	0
Held-to-maturity securities, OTTI charge (recovery)	$ 0	$ 0	$ (3,000,000)
Held-to-maturity securities, number of securities in nonaccrual status	0	0	2
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	36	5
Held-to-maturity securities, unrecognized holding loss, number of securties			2