STOCK BASED COMPENSATION - Summary of PSU Activity (Detail) - Performance Shares	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Number of Units
Non-vested as of beginning of year (in shares) | shares	92,042
Granted (in shares) | shares	88,997
Vested and Released (in shares) | shares	(88,269)
Forfeited (including performance goal not achieved) (in shares) | shares	(16,784)
Non-vested as of end of year (in shares) | shares	75,986
Weighted Average Grant Date Fair Value
Non-vested as of beginning of year (in dollars per share) | $ / shares	$ 57.79
Granted (in dollars per share) | $ / shares	57.66
Vested and Released (in dollars per share) | $ / shares	57.61
Forfeited (including performance goal not achieved) (in dollars per share) | $ / shares	60.60
Non-vested as of end of year (in dollars per share) | $ / shares	$ 57.23