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Other Long-Term Liabilities (Details Textual) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2007 Asset | Dec. 31, 2013
Other Long -Term Liabilities (Textual) |  |
Sale price of one of campus buildings | $ 5.8 |
Sale and lease back term for most of the campus building |  | Over a 10-year period
Sale and lease back term | 10 years |
Gain on sale and lease back of one of campus buildings before tax | $ 2.8 |
Number of assets sold | 1 |
Minimum [Member] |  |
Other Long -Term Liabilities (Textual) |  |
Leasehold improvements and long-term liability amortization period |  | 5 years
Maximum [Member] |  |
Other Long -Term Liabilities (Textual) |  |
Leasehold improvements and long-term liability amortization period |  | 10 years

X
- Definition Leasehold improvements, long term liability amortization period. + References No definition available. + Details
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- Details
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- Definition Represents the lease term of the asset leased back in a sale and lease back transaction. + References No definition available. + Details
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- Definition Represents the number of assets sold in a sale lease back transaction. + References No definition available. + Details
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- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized in future periods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6456126&loc=d3e49567-112750 + Details
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- Definition The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757 + Details
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- Definition A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755 + Details
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