LEASES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease cost
Operating lease cost	$ 7,038
Sublease income	(95)
Total lease cost	6,943
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases	7,019
Operating right-of-use assets obtained in exchange for lease liabilities	$ 48,101
Weighted-average remaining lease term-operating leases	7 years 9 months 18 days
Weighted-average discount rate-operating leases	3.20%
Renewal options	true
Minimum
Lease cost
Renewal term	5 years
Maximum
Lease cost
Renewal term	10 years