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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Weighted-Average Shares of Common Stock Outstanding used in Calculation of Basic and Diluted Earnings Per Share |
|  | For the three months
|  | ended March 31,
|  | 2021 |  | 2020
Numerator: |  |  |  |  |  |
Net loss attributable to SBA |  |  |  |  |  |
Communications Corporation |  | $ | (11,745) |  | $ | (127,058)
Denominator: |  |  |  |  |  |
Basic and diluted weighted-average shares outstanding |  |  | 109,469 |  |  | 111,908
Net loss per common share attributable to SBA |  |  |  |  |  |
Communications Corporation: |  |  |  |  |  |
Basic |  | $ | (0.11) |  | $ | (1.14)
Diluted |  | $ | (0.11) |  | $ | (1.14)

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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