REPURCHASE OF COMMON STOCK (Details)		3 Months Ended
	Jun. 23, 2014 USD ($)	Mar. 31, 2016 USD ($) shares	Mar. 31, 2015 USD ($)
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 50,000,000
Number of shares repurchased | shares		60,000
Total cost of shares repurchased		$ 1,720,000	$ 21,138,000
Remaining stock available to repurchase		$ 13,800,000
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