STOCK-BASED COMPENSATION - Activity of Stock Options (Details) - LTIP	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Stock Options
Outstanding, beginning of year (shares) | shares	72,368
Exercised (shares) | shares	(46,309)
Forfeited (shares) | shares	(510)
Outstanding, end of year (shares) | shares	25,549
Options outstanding and exercisable (shares) | shares	25,549
Weighted- Average Exercise Price
Outstanding, beginning of year (in dollars per share) | $ / shares	$ 34.36
Exercised (in dollars per share) | $ / shares	34.36
Forfeited (in dollars per share) | $ / shares	34.36
Outstanding, end of year (in dollars per share) | $ / shares	34.36
Options outstanding and exercisable (in dollars per share) | $ / shares	$ 34.36
Additional Information
Weighted-Average Remaining Contractual Term (in years)	5 years
Options outstanding and exercisable, Weighted-Average Remaining Contractual Term (in years)	5 years
Aggregate Intrinsic Value (in thousands) | $	$ 373,000
Options outstanding and exercisable, Aggregate Intrinsic Value (in thousands) | $	$ 373,000