LEASES - Other Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Other Information:
Right-of-use assets obtained in exchange for lease liabilities	$ 1,633	$ 53,117
Cash paid for amounts included in the measurement of lease liabilities	$ 4,139	$ 12,660