6.ACQUISITIONS

The following table summarizes the Company’s acquisition activity:



	For the year ended December 31,
	2018		2017		2016
Tower acquisitions (number of towers)		1,316		1,425		531

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



	For the year ended December 31,
	2018		2017		2016

		(in thousands)
Acquisitions of towers and related intangible assets (1)	$	406,699	$	392,902	$	214,686
Land buyouts and other assets (2)		45,130		48,645		62,149
Total cash acquisition capital expenditures	$	451,829	$	441,547	$	276,835

(1)

The year ended December 31, 2017 excludes $63.3 million of acquisition costs funded through the issuance of 487,963 shares of Class A common stock.

(2)

In addition, the Company paid $24.3 million, $18.8 million, and $14.1 million for ground lease extensions and term easements on land underlying the Company’s towers during the years ending December 31, 2018, 2017, and 2016, respectively. The Company recorded these amounts in prepaid rent on its Consolidated Balance Sheets.

During the year ended December 31, 2018, the Company acquired 1,316 completed 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 working capital adjustments.

During the year ended December 31, 2017, the Company acquired 1,425 completed towers and related assets and liabilities consisting of $114.7 million of property and equipment, $345.3 million of intangible assets, and $3.8 million of working capital adjustments.

During the year ended December 31, 2016, the Company acquired 531 completed towers and related assets and liabilities for $214.7 million in cash consisting of $72.8 million of property and equipment, $144.4 million of intangible assets, and $2.5 million of working capital adjustments.

Subsequent to December 31, 2018, the Company acquired 27 towers and related assets for $10.7 million in cash.