LEASES - Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Operating lease assets	$ 66,295	$ 36,654
Finance lease assets	2,093	2,420
Total leased assets	68,388	39,074
Current
Operating	18,201	7,719
Finance	1,376	1,005
Noncurrent
Operating	55,857	37,202
Finance	1,436	2,144
Total lease liabilities	76,870	48,070
Finance lease assets, net of accumulated depreciation	$ 2,300	$ 2,000