STOCKHOLDERS' EQUITY - ADDITIONAL INFORMATION (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Oct. 22, 2014	Nov. 01, 2007
Equity [Abstract]
Stock repurchase program, additional authorized amount					$ 30,000,000	$ 50,000,000
Repurchased shares (in shares)	48,687	105,750	48,687	105,750
Repurchased shares, value	$ 328,000	$ 729,000	$ 328,000	$ 729,000
Stock repurchased program, average cost (in dollars per share)	$ 6.73	$ 6.90	$ 6.73	$ 6.90
Stock repurchase program, remaining available repurchase amount	$ 33,400,000		$ 33,400,000