XML 93 R69.htm IDEA: XBRL DOCUMENT v3.8.0.1
FAIR VALUE MEASUREMENTS - Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value option investments $ 77,933 $ 82,887 $ 82,966 $ 82,584
Fair Value, Option, Changes in Fair Value, Gain (Loss) (5,033) 303    
Unrealized Gains (Losses) Still Held - Assets [1] (5,033) 303    
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 0 14,600 0 14,588
Purchases of Convertible Debt   1,612    
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net (855) 0    
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability [2] 0 12    
Fair Value, Measurement with Unobservable Inputs, Unrealized Gain Loss [1] 0 12    
Redeemable Preferred Stock        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value option investments 14,576 17,788 15,431 17,444
Unrealized Gains (Losses) Still Held - Assets [1] (855) 344    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) 0 344    
Convertible Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value option investments 11,070 11,931 $ 11,354 $ 10,038
Unrealized Gains (Losses) Still Held - Assets [1] (284) 281    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) (501) 42    
Unrealized Gain (Loss) on Securities 217 $ 239    
Convertible Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Payments to Acquire Investments $ 0      
[1] (1)Represents the unrealized losses or gains recorded in earnings and/or other comprehensive income (loss) during the period for assets and liabilities classified as Level 3 that are still held (or outstanding) at the end of the period.
[2] (3)Changes in the fair value of contingent consideration liabilities are classified within Selling, general and administrative expense on the consolidated statements of operations.