Fair Value Measurements Narrative (Detail) (USD $)
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12 Months Ended | 12 Months Ended | 1 Months Ended | |||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2013
Private equity funds [Member]
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Dec. 31, 2012
Private equity funds [Member]
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Dec. 31, 2013
Penn Mezzanine [Member]
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Dec. 31, 2012
Penn Mezzanine [Member]
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Dec. 31, 2013
Penn Mezzanine [Member]
Equity loss [Member]
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Dec. 31, 2013
Level 3 [Member]
Private equity funds [Member]
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Dec. 31, 2013
Level 3 [Member]
Penn Mezzanine [Member]
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Dec. 31, 2013
PixelOptics, Inc. [Member]
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Dec. 31, 2012
PixelOptics, Inc. [Member]
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Feb. 28, 2013
Nupathe [Member]
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Schedule of Available-for-sale Securities [Line Items] | ||||||||||||
Marketable securities, current | $ 38,250,000 | $ 110,957,000 | ||||||||||
Marketable securities, non current | 6,088,000 | 29,059,000 | ||||||||||
Impairment charges | 300,000 | 400,000 | 300,000 | 2,500,000 | 1,800,000 | 11,200,000 | 5,000,000 | |||||
Equity method investments | 110,638,000 | 106,741,000 | 1,766,000 | 3,810,000 | 0 | |||||||
Amount of gain associated with mark-to-market adjustments | 1,100,000 | 200,000 | ||||||||||
Shares converted | 2,500 | |||||||||||
Shares issued | 2,500,000 | |||||||||||
Fair market value of investment | $ 1,700,000 | $ 1,300,000 |
X | ||||||||||
- Definition
Amount of gain associated with mark-to-market adjustments. No definition available.
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X | ||||||||||
- Definition
The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This item represents investments in debt securities which are categorized as held-to-maturity and that have scheduled maturities within one year of the balance sheet date or the normal operating cycle, whichever is longer; such investments are measured at amortized cost (carrying value). The held-to-maturity category is for those securities that the Entity has the positive intent and ability to hold until maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This item represents investments in debt securities which are categorized as held-to-maturity and that have scheduled maturities more than one year from the balance sheet date or operating cycle, if longer; such investments are measured at amortized cost (carrying value). The held-to-maturity category is for those securities that the Entity has the positive intent and ability to hold until maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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