EMPLOYEE STOCK COMPENSATION - Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Number of Shares
Outstanding at beginning of period (in shares)	55,069	62,521	62,521
Exercised (shares)			(7,452)
Outstanding at end of period (in shares)	55,069	55,069	55,069	62,521
Exercisable at end of period (in shares)	55,069		55,069
Weighted-Average Exercise Price Per Share
Outstanding at beginning of period (in dollars per share)	$ 13.96	$ 13.85	$ 13.85
Exercised (in dollars per share)			13.05
Outstanding at end of period (in dollars per share)	13.96	$ 13.96	13.96	$ 13.85
Exercisable at end of period (in dollars per share)	$ 13.96		$ 13.96
Weighted-Average Remaining Contract Term
Outstanding	3 years 6 months	3 years 8 months 12 days	3 years 6 months	4 years 3 months 18 days
Exercised			5 years 2 months 12 days
Exercisable at end of period	3 years 6 months		3 years 6 months
Aggregated Intrinsic Value
Outstanding	$ (210)		$ (210)
Exercisable at end of period	$ (210)		$ (210)