COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Commitments And Contingencies [Abstract]
Number of unregistered share in the employee stock purchase plan (in shares)	148,000	148,000
Employee Stock Purchase Plan (ESPP), purchase price, lower range (in dollars per share)		$ 6.63
Employee Stock Purchase Plan (ESPP), purchase price, upper range (in dollars per share)		$ 14.12
Number of shares intended to be repurchased (in shares)		78,000
Aggregate value to be repurchased		$ 0.7
Cost per share to purchase ESOP shares (in dollars per share)	$ 5.81	$ 5.81
Amount exceeding market value expensed	$ 0.2	$ 0.3