SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Change in Goodwill During the Year (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Beginning of year	$ 156,663	$ 156,944	$ 158,572
Acquired goodwill	23,591	(281)	(1,628)
End of year	$ 180,254	$ 156,663	$ 156,944