Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Fair Value Measurements - Assets And Liabilities Measured At Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Assets:    
Total assets $ 13,898 $ 93,383
Liabilities:    
Total liabilities 61,812 78,159
Level 1    
Assets:    
Total assets 9,842 88,036
Level 2    
Assets:    
Total assets 4,056 5,347
Level 3    
Liabilities:    
Total liabilities 61,812 78,159
Embedded conversion option    
Liabilities:    
Total liabilities 16,736 23,737
Embedded conversion option | Level 3    
Liabilities:    
Total liabilities 16,736 23,737
Contingent consideration    
Liabilities:    
Total liabilities 45,076 54,422
Contingent consideration | Level 3    
Liabilities:    
Total liabilities 45,076 54,422
Money market funds    
Assets:    
Total assets 5,314 84,421
Money market funds | Level 1    
Assets:    
Total assets 5,314 84,421
Common stock investments, available for sale    
Assets:    
Total assets 4,528 3,615
Common stock investments, available for sale | Level 1    
Assets:    
Total assets 4,528 3,615
Common stock options/warrants    
Assets:    
Total assets 4,017 5,338
Common stock options/warrants | Level 2    
Assets:    
Total assets 4,017 5,338
Forward contracts    
Assets:    
Total assets 39 9
Forward contracts | Level 2    
Assets:    
Total assets $ 39 $ 9