XML 63 R52.htm IDEA: XBRL DOCUMENT v3.21.2

Treasury Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands					1 Months Ended		2 Months Ended	3 Months Ended				6 Months Ended
	May 17, 2021	May 14, 2021	May 04, 2021	Mar. 10, 2021	Jul. 31, 2021	Jan. 31, 2021	May 04, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Dec. 31, 2020
Treasury Stock
Adjustment to additional paid in capital								$ 281,103				$ 281,103	$ 282,467
Common stock acquired, cost								98,331	$ 63,348	$ 8,311	$ 60,737
Accelerated Share Repurchase March 10, 2021
Treasury Stock
Stock price on initial delivery				$ 101.49
Number of repurchased shares delivered in initial delivery				276
Initial share delivery as a percentage of the number of shares initially underlying the ASR agreement				80.00%
Number of additional repurchased shares delivered at final settlement			46
Aggregate number of shares delivered							322
Final average cost per share							$ 108.76
Adjustment to additional paid in capital			$ 7,000	$ (7,000)			$ 7,000
Common stock acquired, cost			$ 7,000	28,000
Accelerated Share Repurchase March 10, 2021 | Maximum
Treasury Stock
Targeted repurchase of common stock				$ 35,000
Accelerated Share Repurchase May 14, 2021
Treasury Stock
Stock price on initial delivery	$ 95.63
Number of repurchased shares delivered in initial delivery	418
Initial share delivery as a percentage of the number of shares initially underlying the ASR agreement	80.00%
Adjustment to additional paid in capital		$ 10,000
Common stock acquired, cost		40,000
Accelerated Share Repurchase May 14, 2021 | Maximum
Treasury Stock
Targeted repurchase of common stock		$ 50,000
Common stock repurchase authorization
Treasury Stock
Increase in stock repurchase plan authorized					$ 970,000	$ 100,000
Authorized amount for repurchase of common stock					1,470,000
Common stock acquired, shares												1,549
Common stock acquired, cost												$ 151,679
Remaining authorized repurchase amount					$ 1,066,592			$ 96,592				$ 96,592

X

- Definition

Stock repurchased on initial execution of accelerated share repurchase ("ASR") agreement as a percentage of the number of shares initially underlying the ASR agreement.

+ References

No definition available.

+ Details

Name:	lope_AcceleratedShareRepurchaseInitialPurchasePercentageOfCommonStockUnderlyingAgreement
Namespace Prefix:	lope_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of targeted repurchase of common stock under an accelerated share repurchase ("ASR") agreement.

+ References

No definition available.

+ Details

Name:	lope_AcceleratedShareRepurchaseTargetedRepurchaseAmount
Namespace Prefix:	lope_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The aggregate number of repurchased shares delivered under an accelerated share repurchase agreement.

+ References

No definition available.

+ Details

Name:	lope_AcceleratedShareRepurchasesSharesDelivered
Namespace Prefix:	lope_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The additional number of repurchased shares delivered in final settlement under an accelerated share repurchase agreement.

+ References

No definition available.

+ Details

Name:	lope_AcceleratedShareRepurchasesSharesRepurchasedFinalSettlementDelivery
Namespace Prefix:	lope_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of repurchased shares delivered in the initial delivery under an accelerated share repurchase agreement.

+ References

No definition available.

+ Details

Name:	lope_AcceleratedShareRepurchasesSharesRepurchasedInitialDelivery
Namespace Prefix:	lope_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase in stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	lope_StockRepurchaseProgramIncreaseInAuthorizedAmount
Namespace Prefix:	lope_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

Name:	us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

Name:	us-gaap_AcceleratedShareRepurchasesInitialPricePaidPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30)(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_AdditionalPaidInCapitalCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_EquityClassOfTreasuryStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_TreasuryStockSharesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_AcceleratedShareRepurchasesDateAxis=lope_AcceleratedShareRepurchase2021March10Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AcceleratedShareRepurchasesDateAxis=lope_AcceleratedShareRepurchase2021May14Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=lope_CommonStockRepurchaseAuthorizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: