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Notes Payable and Other Noncurrent Liabilities (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010
Notes Payable and Other Noncurrent Liabilities (Additional Textual) [Abstract] |  |
Loan agreement borrowing | $ 25,675 |
Extended the maturity date of the existing loan | from April 30, 2014 to March 31, 2016 |
Maturity date of the University's existing loan, before amendment | Apr. 30, 2014 |
Decreased the interest rate on the outstanding balance | from the BBA Libor Rate plus 225 basis points to the BBA Libor Rate plus 200 basis points |
Interest rate on the outstanding balance, before amendment, basis points | 2.25% |
Interest rate on the outstanding balance, after amendment, basis points | 2.00% |
Amount of revolving line of credit | 50,000 |
Revolving line of credit facility, expiration date | March 31, 2016 |
Amounts borrowed on the line of credit | 0 |
Maximum percentage of tangible net worth used to purchase interest in other entity | 25.00% |
Amount available to be borrowed on the line of credit | 32,844 |
Long term deferred rent | 6,512 | 2,029
Derivative liability for forward interest rate swap | 628 | 686
Notes Payable through March 2016 [Member] |  |
Notes Payable and Other Noncurrent Liabilities (Textual) [Abstract] |  |
Monthly payment of notes payable | 143 |
Interest rate of notes payable | 2.00% |
Number of days of bank operating rate to calculate interest on notes payable | 30 days |
Interest rate of notes payable, Minimum | 2.30% |
Gift Annuities extending through 2019 [Member] |  |
Notes Payable and Other Noncurrent Liabilities (Textual) [Abstract] |  |
Quarterly payment of notes payable | $ 34 |
Interest rate of notes payable, Minimum | 10.00% |
Notes Payable extending in to march 2013 [Member] |  |
Notes Payable and Other Noncurrent Liabilities (Textual) [Abstract] |  |
Interest rate of notes payable, Minimum | 8.80% |
Interest rate of notes payable, Maximum | 11.00% |

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