XML 70 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVESTMENTS - Schedule of Activity for Available For Sale Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale securities, Amortized Cost $ 24,998 $ 25,636
Available-for-sale securities, Gross Unrealized Gain 1,176 1,653
Available-for-sale Securities, Gross Unrealized Loss (528) (504)
Available-for-sale securities, Fair Value (25,646) (26,785)
Convertible Debt Securities    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale securities, Amortized Cost 10,422 10,205
Available-for-sale securities, Gross Unrealized Gain 1,176 1,653
Available-for-sale Securities, Gross Unrealized Loss (528) (504)
Available-for-sale securities, Fair Value (11,070) (11,354)
Redeemable Preferred Stock    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale securities, Amortized Cost 14,576 15,431
Available-for-sale securities, Gross Unrealized Gain 0 0
Available-for-sale Securities, Gross Unrealized Loss 0 0
Available-for-sale securities, Fair Value $ (14,576) $ (15,431)