REPURCHASE OF COMMON STOCK (Details)		6 Months Ended
	Jun. 23, 2014 USD ($)	Jun. 30, 2016 USD ($) shares	Jun. 30, 2015 USD ($)
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 50,000,000
Number of shares repurchased | shares		274,110
Total cost of shares repurchased		$ 7,593,000	$ 21,138,000
Remaining stock available to repurchase		$ 7,900,000
Maximum
Equity, Class of Treasury Stock [Line Items]
Stock repurchases leverage ratio	2.50
Minimum
Equity, Class of Treasury Stock [Line Items]
Stock repurchases leverage ratio	0.25