INCOME TAXES (Details - Deferred Income Taxes - Components) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Provision for accrued expenses	$ 12,234	$ 5,953
Leasing	7,299	0
Net operating loss carryforwards	56,450	59,817
Non-cash compensation expense	15,805	12,505
Interest limitation	987	3,532
Contingent liabilities	9,366	3,053
Tax credits	6,124	1,569
Other	1,624	2,976
Total gross deferred tax assets	109,889	89,405
Less: valuation allowance (c)	(4,102)	(2,229)	$ (2,694)	$ (2,101)
Total deferred tax assets, net of the valuation allowance	105,787	87,176
Deferred tax liabilities:
Intangible and other assets	(1,744)	(4,623)
Leasing	(6,596)	0
Other	(1,835)	(892)
Total gross deferred tax liabilities	(10,175)	(5,515)
Net deferred taxes	95,612	$ 81,661
Federal
Deferred tax liabilities:
Operating Loss Carryforwards	188,200
State
Deferred tax liabilities:
State operating loss carryforwards	$ 484,700