XML 31 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2008 | Mar. 31, 2013 | Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Average days from the date of receipt in which funds remain as restricted cash and cash equivalents |  |  |  | 60 to 90 days |  |
Reduced pledge collateral |  |  |  | $ 0 | $ 225 |
Note receivable from a financial institution at fair market value |  |  |  |  | 27,000 |
Interest rate on notes |  |  |  |  | 11.00% |
Interest rate on loan |  |  |  |  | 6.00% |
Default rate |  |  |  |  | 5.00% |
Interest income and other income on the loan |  | 2,187 |  | 1,459 |  |
Default interest amount |  |  |  | 432 |  |
Late payment penalty amount |  |  |  | 1,392 |  |
Statutory trustee's fee amount |  |  |  | 139 |  |
Default interest and statutory trustee's fee |  |  |  | 11.00% |  |
Capitalized interest rate on borrowings to finance improvements |  |  |  | 1.90% | 2.20% | 2.30%
Property and equipment, useful life |  |  |  | 15 years |  |
Lease termination fee payable to old landlord |  |  | 1,093 |  |  |
Lease termination costs |  |  |  |  |  | 782
Prepaid maintenance and service fees |  |  | 4,900 |  |  | 4,900
Agreement period of acquired source code rights for the software developed, prepaid maintenance and service fee |  |  |  |  |  | 7 years
Amortization of other current assets |  |  |  | Next twelve month cycle |  |
Agreement to pay former owner royalty amount | 22,500 |  |  |  |  |
Settlement of future royalty payment obligation | 5,920 |  |  |  |  |
Royalty amortization period | 20 years |  |  |  |  |
Fair value of the shares issued of the license agreement |  |  |  | 3,394 |  |
Discount net cash flows |  |  |  | 35.00% |  |
Reserve for uncertain tax positions including interest and penalties |  |  |  | 0 | 0 |
Reduction in revenue due to scholarships offered to students |  |  |  | $ 111,789 | $ 94,283 | $ 73,612
Percent of financial aid earn by student |  |  |  | 100.00% |  |
Period for write off of inactive student accounts |  |  |  | 150 days |  |
Furniture, Fixtures and Equipment [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property and equipment, useful life |  |  |  | 10 years |  |
Computer Equipment [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property and equipment, useful life |  |  |  | 4 years |  |
Vehicles [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property and equipment, useful life |  |  |  | 5 years |  |
Minimum [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of days from the date of receipt in which funds remain as restricted cash and cash equivalents |  |  |  | 60 days |  |
Minimum [Member] | Land Improvements and Buildings [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property and equipment, useful life |  |  |  | 10 years |  |
Maximum [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of days from the date of receipt in which funds remain as restricted cash and cash equivalents |  |  |  | 90 days |  |
Maximum [Member] | Land Improvements and Buildings [Member] |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property and equipment, useful life |  |  |  | 40 years |  |

X
- Definition Agreement period of acquired source code rights for the software developed, prepaid maintenance and service fee. + References No definition available. + Details
Name: | lope_AgreementPeriodOfAcquiredSourceCodeRightsForSoftwareDevelopedPrepaidMaintenanceAndServiceFee
Namespace Prefix: | lope_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Agreement to pay former owner royalty amount. + References No definition available. + Details
Name: | lope_AgreementToPayFormerOwnerRoyaltyAmount
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortization of other current assets under reclassification. + References No definition available. + Details
Name: | lope_AmortizationOfOtherCurrentAssetsUnderReclassification
Namespace Prefix: | lope_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Capitalized interest rate on borrowing to finance improvement. + References No definition available. + Details
Name: | lope_CapitalizedInterestRateOnBorrowingToFinanceImprovement
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash and cash equivalent maturity period. + References No definition available. + Details
Name: | lope_CashAndCashEquivalentMaturityPeriod
Namespace Prefix: | lope_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Default amount of late payment penalty under dispute. + References No definition available. + Details
Name: | lope_DefaultAmountOfLatePaymentPenaltyUnderDispute
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Discount rate to determine present value of cash flow. + References No definition available. + Details
Name: | lope_DiscountRateToDeterminePresentValueOfCashFlow
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of shares issued of license agreement. + References No definition available. + Details
Name: | lope_FairValueOfSharesIssuedOfLicenseAgreement
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fixed rate of interest on loans. + References No definition available. + Details
Name: | lope_FixedRateOfInterestOnLoans
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease termination fee. + References No definition available. + Details
Name: | lope_LeaseTerminationFee
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lease termination fee payable. + References No definition available. + Details
Name: | lope_LeaseTerminationFeePayable
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Note receivable interest rate. + References No definition available. + Details
Name: | lope_NoteReceivableInterestRate
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notes receivable fixed interest rate. + References No definition available. + Details
Name: | lope_NotesReceivableFixedInterestRate
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notes receivable interest rate. + References No definition available. + Details
Name: | lope_NotesReceivableInterestRate
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment for prepaid maintenance and service fees. + References No definition available. + Details
Name: | lope_PaymentForPrepaidMaintenanceAndServiceFees
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percent of financial aid earn by student. + References No definition available. + Details
Name: | lope_PercentOfFinancialAidEarnByStudent
Namespace Prefix: | lope_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period for write off inactive student accounts. + References No definition available. + Details
Name: | lope_PeriodForWriteOffInactiveStudentAccounts
Namespace Prefix: | lope_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction in revenue due to scholarships offered to students. + References No definition available. + Details
Name: | lope_ReductionInRevenueDueToScholarshipsOfferedToStudents
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Royalty amortization period. + References No definition available. + Details
Name: | lope_RoyaltyAmortizationPeriod
Namespace Prefix: | lope_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Settlement of future royalty payment obligation. + References No definition available. + Details
Name: | lope_SettlementOfFutureRoyaltyPaymentObligation
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Statutory trustee fee due amount under dispute. + References No definition available. + Details
Name: | lope_StatutoryTrusteeFeeDueAmountUnderDispute
Namespace Prefix: | lope_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | lope_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | lope_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph c -Article 4 + Details
Name: | us-gaap_DebtDefaultLongtermDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of interest income earned from interest bearing assets not separately disclosed. + References No definition available. + Details
Name: | us-gaap_InterestIncomeOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LiabilityForUncertainTaxPositionsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph b -Article 5 + Details
Name: | us-gaap_NotesReceivableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Describe the agreement containing restrictions with respect to withdrawal or usage on a specific cash or cash equivalent item. Restrictions may include contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalentItemAgreement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant