v2.4.0.8

Deferred Credits (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Amortization of below market tenant leases | $ 29,600,000 |  | $ 20,800,000 |  |
Off-market Lease, Unfavorable | 145,500,000 |  | 17,000,000 |  |
Weighted Average Remaining Term Of Tenant Leases |  |  | 11 years |  |
Deferred Credit Amortization Expense, Year One | 21,854,000 |  |  |  |
Deferred Credit Amortization Expense, Year Two | 21,839,000 |  |  |  |
Deferred Credit Amortization Expense, Year Three | 21,796,000 |  |  |  |
Deferred Credit Amortization Expense, Year Four | 21,767,000 |  |  |  |
Deferred Credit Amortization Expense, Year Five | 21,741,000 |  |  |  |
Deferred credits and other liabilities | 1,349,919,000 |  | 910,571,000 |  |
deferred ground lease payable [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Deferred credits and other liabilities | 357,419,000 |  | 312,262,000 |  |
customer prepaid rent [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Deferred credits and other liabilities | 350,474,000 |  | 173,420,000 |  |
Above Market Leases [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Amortization of above and below Market Leases | 7,200,000 |  | 3,400,000 |  | 3,800,000
Deferred credits and other liabilities | 276,319,000 | [1] | 58,195,000 | [1] |
deferred credits [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Deferred credits and other liabilities | 244,537,000 | [2] | 271,123,000 | [2] |
asset retirement obligations [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Deferred credits and other liabilities | 118,403,000 |  | 94,953,000 |  |
Other Liabilities [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Deferred credits and other liabilities | 2,767,000 |  | 618,000 |  |
Amortization expense, 2014 [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Expected amortization of below-market tenant leases by year | 28,670,000 |  |  |  |
Amortization expense, 2017 [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Expected amortization of below-market tenant leases by year | 24,243,000 |  |  |  |
Amortization expense, 2016 [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Expected amortization of below-market tenant leases by year | 27,021,000 |  |  |  |
Amortization expense, 2015 [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Expected amortization of below-market tenant leases by year | 27,395,000 |  |  |  |
Amortization expense, 2018 [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Expected amortization of below-market tenant leases by year | 21,428,000 |  |  |  |
Gross Value [Member] |  |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |  |
Below market tenant leases |  |  | $ 291,900,000 |  |
[1] | The Company recorded $145.5 million and $17.0 million related to above-market leases for land interests under acquired wireless infrastructure for the years ended December 31, 2013 and 2012, respectively, which is inclusive of adjustments made during 2013 related to the T-Mobile purchase price allocation.
[2] | For the year ended December 31, 2012, the Company recorded deferred credits of $291.9 million related to below-market tenant leases as a result of the purchase price allocation for the NextG Acquisition. The below-market tenant leases recorded in the NextG Acquisition had a weighted-average amortization period of 11 years.

X
- Definition Total amortization of below market tenant leases recorded to the Company's statement of operations. + References No definition available. + Details
Name: | cci_Amortizationofbelowmarkettenantleases
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Below market tenant leases + References No definition available. + Details
Name: | cci_Belowmarkettenantleases
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortization expense within the fifth year from the balance sheet date related to the Company’s above-market leases recorded in site rental costs of operations + References No definition available. + Details
Name: | cci_DeferredCreditAmortizationExpenseYearFive
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortization expense within the fourth year from the balance sheet date related to the Company’s above-market leases recorded in site rental costs of operations + References No definition available. + Details
Name: | cci_DeferredCreditAmortizationExpenseYearFour
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortization expense within one year of the balance sheet date related to the Company’s above-market leases recorded in site rental costs of operations + References No definition available. + Details
Name: | cci_DeferredCreditAmortizationExpenseYearOne
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortization expense within the third year from the balance sheet date related to the Company’s above-market leases recorded in site rental costs of operations + References No definition available. + Details
Name: | cci_DeferredCreditAmortizationExpenseYearThree
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortization expense within the second year from the balance sheet date related to the Company’s above-market leases recorded in site rental costs of operations + References No definition available. + Details
Name: | cci_DeferredCreditAmortizationExpenseYearTwo
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Expected amortization of below-market tenant leases by year to site rental revenues. + References No definition available. + Details
Name: | cci_ExpectedAmortizationOfBelowMarketTenantLeasesByYear
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted-average remaining term of tenant leases, exclusive of renewals at the tenant's option. + References No definition available. + Details
Name: | cci_WeightedAverageRemainingTermOfTenantLeases
Namespace Prefix: | cci_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of non-cash amortization of intangible asset (liability) for above and below market leases. + References No definition available. + Details
Name: | us-gaap_AmortizationOfAboveAndBelowMarketLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents a liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition. + 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_OffMarketLeaseUnfavorable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 24 -Article 5 + Details
Name: | us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant