XML 39 R28.htm IDEA: XBRL DOCUMENT
v3.21.1

Cash, Cash Equivalents, and Restricted Cash (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Cash, Cash Equivalents, and Restricted Cash [Abstract] |
Schedule of Cash, Cash Equivalents and Restricted Cash |
|  | As of |  | As of |  |
|  | March 31, 2021 |  | December 31, 2020 |  | Included on Balance Sheet
|  | (in thousands) |  |
Cash and cash equivalents |  | $ | 176,622 |  | $ | 308,560 |  |
Securitization escrow accounts |  |  | 62,773 |  |  | 31,507 |  | Restricted cash - current asset
Payment and performance bonds |  |  | 153 |  |  | 164 |  | Restricted cash - current asset
Surety bonds and workers compensation |  |  | 2,637 |  |  | 2,577 |  | Other assets - noncurrent
Total cash, cash equivalents, and restricted cash |  | $ | 242,185 |  | $ | 342,808 |  |

X
- Definition Schedule of Cash, Cash Equivalents and Restricted Cash [Table Text Block] + References No definition available. + Details
Name: | sbac_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock
Namespace Prefix: | sbac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration