Annual report pursuant to Section 13 and 15(d)

LEASE AGREEMENTS (Details)

v3.8.0.1
LEASE AGREEMENTS (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Feb. 28, 2017
ft²
Dec. 31, 2014
ft²
LEASE AGREEMENTS          
Number of lease renewal periods | item 2        
Lease renewal term (in years) 5 years        
Area of real estate property (square feet) | ft²       9,328 57,000
Expected income from sublease $ 22,100        
Loss on sublease 495        
Income from sublease 8,000 $ 6,500 $ 6,300    
Changes in liability          
Beginning Balance 3,460 6,465 9,269    
Increase in deferred liability 495        
Accretion of deferred liability 157 357 559    
Amortization of deferred liability (3,828) (3,362) (3,363)    
Ending Balance 284 $ 3,460 $ 6,465    
Operating Lease:          
2018 9,593        
2019 9,321        
2020 9,694        
2021 10,082        
2022 and thereafter 11,362        
Total minimum operating lease 50,052        
Sublease Receipts:          
2018 (3,942)        
2019 (4,192)        
2020 (4,360)        
2021 (4,534)        
2022 and thereafter (5,110)        
Total minimum sublease receipts (22,138)        
Net:          
2018 5,651        
2019 5,129        
2020 5,334        
2021 5,548        
2022 and Thereafter 6,252        
Total minimum net $ 27,914