GOODWILL AND INTANGIBLE ASSETS - Intangible (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Finite-lived intangible assets
Weighted Average Amortization Period	14 years
Cost	$ 53,715	$ 53,701
Accumulated Amortization	31,987	31,020
Net Value	21,728	22,681
Total intangible assets
Cost	86,015	86,001
Net Value	54,028	54,981
Trade name
Indefinite-lived intangible assets
Net Value	$ 32,300	32,300
Customer relationships
Finite-lived intangible assets
Weighted Average Amortization Period	14 years
Cost	$ 52,721	52,721
Accumulated Amortization	31,429	30,477
Net Value	$ 21,292	22,244
Other intangible assets
Finite-lived intangible assets
Weighted Average Amortization Period	13 years
Cost	$ 994	980
Accumulated Amortization	558	543
Net Value	$ 436	$ 437