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Investments (Tables) | 6 Months Ended
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Jun. 30, 2012
Investments [Abstract] |
Investment Securities Stated At Fair Value | As of June 30, 2012:
|  |  |  | Fair Value Measurements at Reporting Date Using
|  | Total as of |  | Quoted Prices in Active Markets for Identical Assets |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
|  | June 30, 2012 |  | (Level 1) |  | (Level 2) |  | (Level 3)
Cash & Cash Equivalents | $ | 375,707,033 | $ | 375,707,033 | $ | - | $ | -
Short-Term Investments: |  |  |  |  |  |  |  |
Government Securities |  | 15,995,000 |  | 15,995,000 |  | - |  | -
U.S. Treasury Notes |  | 25,010,750 |  | - |  | 25,010,750 |  | -
Corporate Bonds |  | 4,670,329 |  | - |  | 4,670,329 |  | -
Other |  | 271,037 |  | 271,037 |  | - |  | -
Long-Term Investments: |  |  |  |  |  |  |  |
Common Stocks |  | 58,278,414 |  | 58,278,414 |  | - |  | -
Mutual Funds - Equity |  | 74,680,329 |  | 74,680,329 |  | - |  | -
Certificate of Deposit |  | 505,390 |  | - |  | 505,390 |  | -
Corporate Bonds |  | 3,734,570 |  | - |  | 3,734,570 |  | -
Other - Equity |  | 357,700 |  | 357,700 |  | - |  | -
Total | $ | 559,210,552 | $ | 525,289,513 | $ | 33,921,039 | $ | -
As of December 31, 2011:
Schedule Of Amortized Cost, Unrealized Gains And Losses, And Market Value Of Investment Securities | As of June 30, 2012:
|  |  | Unrealized |
|  | Cost | Gains |  | Losses |  | Market Value
Short-Term Investments: |  |  |  |  |  |  |  |
Government Securities | $ | 15,998,699 | $ | 300 | $ | (3,999) | $ | 15,995,000
U.S. Treasury Notes |  | 25,006,426 |  | 4,324 |  | - |  | 25,010,750
Corporate Bonds |  | 4,675,864 |  | - |  | (5,535) |  | 4,670,329
Other |  | 271,037 |  | - |  | - |  | 271,037
Long-Term Investments: |  |  |  |  |  |  |  |
Common Stocks |  | 44,882,474 |  | 14,375,674 |  | (979,734) |  | 58,278,414
Mutual Funds - Equity |  | 67,461,376 |  | 8,046,348 |  | (827,395) |  | 74,680,329
Certificate of Deposit |  | 505,390 |  | - |  | - |  | 505,390
Corporate Bonds |  | 3,713,539 |  | 21,031 |  | - |  | 3,734,570
Other - Equity |  | 338,506 |  | 19,194 |  | - |  | 357,700
Total | $ | 162,853,311 | $ | 22,466,871 | $ | (1,816,663) | $ | 183,503,519
As of December 31, 2011:
Schedule Of Unrealized Loss On Investments | Unrealized losses on investments as of June 30, 2012, are as follows:
| Aggregate Unrealized Losses |  | Aggregate Fair Value
Less than one year | $ | (1,816,663) |  | $ | 40,106,822
Greater than one year |  | - |  |  | -
Unrealized losses on investments as of December 31, 2011 are as follows:
Maturities Of Fixed Income Securities |
Due within one year | $ | 45,947,116
Due between one and five years |  | 4,239,960
Due over five years |  | -
Total | $ | 50,187,076

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6435544&loc=d3e41834-113960 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5086-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 137 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
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