STOCK-BASED COMPENSATION (Detail Textuals 3) (Restricted Stock, USD $)	6 Months Ended
Jun. 30, 2013
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested restricted shares	$ 7,093,000
Unrecognized compensation cost related to non-vested restricted shares recognized period	4.1 years

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

No definition available.

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant