BORROWED FUNDS (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Principal
Total	$ 590,826	$ 348,471
Weighted Average Rate (as a percent)
Total	0.53%	0.78%
Fixed rate advances
Principal
2013	443,821
2013		186,448
2014	20,149	20,280
2016	1,614	1,645
2017 and beyond	5,400	5,478
Total	470,984	213,851
Weighted Average Rate (as a percent)
2013	0.28%
2013		0.32%
2014	3.00%	3.04%
2016	0.79%	0.80%
2017 and beyond	3.82%	3.87%
Total	0.44%	0.67%
Variable rate advances
Principal
2013	44,842
2013		59,620
2014	10,000	10,000
2015	20,000	20,000
2016	10,000	10,000
2017 and beyond	35,000	35,000
Total	$ 119,842	$ 134,620
Weighted Average Rate (as a percent)
2013	1.38%
2013		1.33%
2014	0.35%	0.39%
2015	0.33%	0.41%
2016	0.33%	0.41%
2017 and beyond	0.91%	0.97%
Total	0.90%	0.96%