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SIGNIFICANT ACCOUNTING POLICIES (Details - Gain on Derivative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Offsetting Assets [Line Items]        
Change in fair value of cash flow hedge, net of taxes $ (8,002)   $ (9,198)  
Change in fair value of cash flow hedge, net of taxes   $ 1,199   $ 4,294
2016 Caps - Interest Rate Contracts        
Offsetting Assets [Line Items]        
Derivative instrument, beginning balance 1,310     $ 2,506
Change in fair value of cash flow hedge, net of taxes (2,078)      
Change in fair value of cash flow hedge, net of taxes     (3,274)  
Derivative instrument, ending balance (768)   (768)  
2019 SWAPS - Interest Rate Contracts        
Offsetting Assets [Line Items]        
Derivative instrument, beginning balance 0      
Change in fair value of cash flow hedge, net of taxes (5,924)      
Derivative instrument, ending balance $ (5,924)   $ (5,924)