BORROWINGS (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Weighted Average Interest Rate:
Due in one year or less	0.34%	0.84%
Due in greater than one year to five years	1.53%	4.82%
Due in greater than five years	0.62%	3.94%
Total	0.80%	1.41%
Amount Outstanding:
Due in one year or less	$ 163,245	$ 190,091
Due in greater than on year to five years	101,948	8,507
Due in greater than five years	6,376	31,103
Total	271,569	229,701
Amount Callable:
Due in one year or less	2,000	30,000
Due in greater than one year to five years	93,000	8,000
Due in greater than five years	5,000	30,000
Total	$ 100,000	$ 68,000