Concentration of Credit Risk (Tables)	12 Months Ended
	Dec. 31, 2021
Concentration of Credit Risk [Abstract]
Summary of Significant Customers and Percentage of Total Revenue for Specified Time Periods Derived from such Customers	The following is a list of significant customers (representing at least 10% of revenue for any period reported) and the percentage of total revenue for the specified time periods derived from such customers: For the year ended December 31, Percentage of Total Revenues 2021 2020 2019 T-Mobile (1) 36.2% 34.5% 35.1%AT&T Wireless 22.2% 24.1% 23.8%Verizon Wireless 14.7% 14.1% 14.0%(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020. The Company’s site leasing and site development segments derive revenue from these customers. Client percentages of total revenue in each of the segments are as follows: For the year ended December 31, Percentage of Domestic Site Leasing Revenue 2021 2020 2019 T-Mobile (1) 40.2% 40.5% 40.6%AT&T Wireless 30.5% 32.2% 32.1%Verizon Wireless 19.8% 18.5% 18.6% For the year ended December 31, Percentage of International Site Leasing Revenue 2021 2020 2019 Oi S.A. 28.3% 28.7% 31.3%Telefonica 16.3% 18.1% 26.9%Claro 13.7% 14.5% 11.6%(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020. For the year ended December 31, Percentage of Site Development Revenue 2021 2020 2019 T-Mobile (1) 78.2% 66.8% 67.5%(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020.