Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets And Liabilities Measured At Fair Value (Details)

v3.19.1
Fair Value Measurements - Assets And Liabilities Measured At Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Assets:    
Equity securities $ 27,723 $ 26,313
Common stock options/warrants 880 855
Total assets 28,734 27,189
Liabilities:    
Contingent consideration 29,343 24,537
Total liabilities 29,343 24,537
Quoted prices in active markets for identical assets (Level 1)    
Assets:    
Equity securities 27,723 26,313
Common stock options/warrants 0 0
Total assets 27,723 26,313
Liabilities:    
Contingent consideration 0 0
Total liabilities 0 0
Significant other observable inputs (Level 2)    
Assets:    
Equity securities 0 0
Common stock options/warrants 880 855
Total assets 1,011 876
Liabilities:    
Contingent consideration 0 0
Total liabilities 0 0
Significant unobservable inputs (Level 3)    
Assets:    
Equity securities 0 0
Common stock options/warrants 0 0
Total assets 0 0
Liabilities:    
Contingent consideration 29,343 24,537
Total liabilities 29,343 24,537
Forward contracts    
Assets:    
Derivatives 131 21
Forward contracts | Quoted prices in active markets for identical assets (Level 1)    
Assets:    
Derivatives 0 0
Forward contracts | Significant other observable inputs (Level 2)    
Assets:    
Derivatives 131 21
Forward contracts | Significant unobservable inputs (Level 3)    
Assets:    
Derivatives $ 0 $ 0