LEASES - Supplemental Lease Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Weighted-average remaining lease term (years)	5 years 1 month 6 days
Weighted-average discount rate	2.56%
Cash paid for amounts included in the measurement of lease liabilities:	$ 9,910
Operating cash flows from operating leases (lease liability reduction)	10,244
Operating lease right-of-use assets obtained in exchange for leases entered into during the period, net of business combinations	$ 5,826