

	For the year ended December 31,
	2020		2019		2018
Tower acquisitions (number of towers)		233		2,443		1,316

The following table summarizes the Company’s cash acquisition capital expenditures:



	For the year ended December 31,
	2020		2019		2018

		(in thousands)
Acquisitions of towers and related intangible assets^{(1) (2) (3)}	$	181,473	$	701,471	$	406,699
Land buyouts and other assets ⁽⁴⁾		89,945		72,486		45,130
Total cash acquisition capital expenditures	$	271,418	$	773,957	$	451,829

(1)The year ended December 31, 2020 excludes $77.1 million of acquisitions completed during the fourth quarter of 2020 which were not funded until the first quarter of 2021.

(2)The year ended December 31, 2019 excludes $1.7 million of acquisitions costs funded through the issuance of 10,000 shares of Class A common stock.

(3)On August 30, 2019, the Company acquired an additional interest of a previously unconsolidated joint venture in South Africa which resulted in the consolidation of the entity. The cash consideration is included herein. Furthermore, the year ended December 31, 2019 excludes $72.0 million associated with the consolidation of this entity.

(4)In addition, the Company paid $12.3 million, $15.2 million, and $24.3 million for ground lease extensions and term easements on land underlying the Company’s towers during the years ending December 31, 2020, 2019, and 2018, respectively. The Company recorded these amounts in prepaid rent on its Consolidated Balance Sheets. Includes amounts paid related to the acquisition of data centers for the years ended December 31, 2020 and 2019.

During the year ended December 31, 2020, the Company acquired 233 towers and related assets and liabilities consisting of $30.1 million of property and equipment, $218.1 million of intangible assets, and $66.8 million of other net liabilities assumed. All acquisitions in the year ended December 31, 2020 were accounted for as asset acquisitions.

During the year ended December 31, 2019, the Company acquired 2,443 towers and related assets and liabilities consisting of $90.8 million of property and equipment, $715.5 million of intangible assets, and $32.8 million of other net liabilities assumed.

During the year ended December 31, 2018, the Company acquired 1,316 towers and related assets and liabilities consisting of $134.5 million of property and equipment, $280.7 million of intangible assets, and $8.5 million of other net liabilities assumed.

Subsequent to December 31, 2020, the Company acquired 25 towers and related assets for $8.4 million in cash. In addition, on February 16, 2021, the Company closed on the acquisition of wireless tenant licenses on 697 utility transmission structures related to the previously announced PG&E transaction for $954.0 million of cash consideration. The balance of the PG&E transaction is anticipated to close by the end of the third quarter. Furthermore, the Company has agreed to purchase and anticipates closing on 299 additional communication sites for an aggregate amount of $72.7 million. The Company anticipates that the majority of these acquisitions will be consummated by the end of the second quarter of 2021.