STOCK-BASED COMPENSATION, Stock Option Awards (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Information Related to Stock Option Plans [Abstract]
Cash received for option exercise cost | $	$ 372
Stock Option Awards
Number of Options [Roll Forward]
Options outstanding, beginning of period (in shares) | shares	28,842
Options outstanding at January 1, 2021 as adjusted for conversion (in shares) | shares	18,685
Options acquired (in shares) | shares	180,020
Options exercised (in shares) | shares	15,928
Options outstanding, end of period (in shares) | shares	182,777
Options vested and exercisable, end of period (in shares) | shares	182,777
Weighted-Average Exercise Price [Abstract]
Options outstanding, beginning of period (in dollars per share) | $ / shares	$ 15.05
Options outstanding at January 1, 2021 as adjusted for conversion (in dollars per share) | $ / shares	23.23
Options acquired (in dollars per share) | $ / shares	35.39
Options exercised (in dollars per share) | $ / shares	23.37
Options outstanding, end of period (in dollars per share) | $ / shares	35.19
Options vested and exercisable. end of period (in dollars per share) | $ / shares	$ 35.19
Weighted-Average Remaining Contractual Years
Options outstanding	8 years
Options vested and exercisable	8 years
Aggregate Intrinsic Value [Abstract]
Options outstanding | $	$ 0
Options vested and exercisable | $	0
Information Related to Stock Option Plans [Abstract]
Cash received for option exercise cost | $	372
Intrinsic value of options exercised | $	$ 66