Fair Value Measurements (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||||
Indefinite-Lived License Agreements | $ 88,106,000 | $ 86,762,000 | $ 88,460,000 | $ 88,106,000 | $ 86,762,000 | $ 88,460,000 | ||||||
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 874,000 | $ 0 | $ 0 | $ 0 | 1,936,000 | $ 0 | $ 0 | $ 0 | 2,033,000 | 874,000 | 1,936,000 | 2,033,000 |
Other Intangible Assets [Member] | ||||||||||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||||
Indefinite-Lived License Agreements | 13,282,000 | 15,218,000 | 8,620,000 | 13,282,000 | 15,218,000 | 8,620,000 | ||||||
Assets, Fair Value Disclosure, Nonrecurring | $ 12,408,000 | $ 13,282,000 | $ 6,587,000 | $ 12,408,000 | $ 13,282,000 | $ 6,587,000 |