SHARE-BASED COMPENSATION PLANS - Summary of Outstanding Stock Options Activity (Detail) - 2011 Incentive Stock Plan - Employee Stock Option	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Shares
Outstanding at beginning of year (in shares) | shares	40,984
Expired (in shares) | shares	(10,425)
Options outstanding and exercisable, at year end (in shares) | shares	30,559
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 24.34
Expired (in dollars per share) | $ / shares	32.47
Options outstanding and exercisable, at year end (in dollars per share) | $ / shares	$ 21.56