Property and Equipment |
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Dec. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property and Equipment | Property and Equipment Property and equipment consisted of the following as of December 31, 2020 and 2019 (in thousands except years):
Depreciation and amortization expense on property and equipment and capitalized internal-use software for the years ended December 31, 2020, 2019 and 2018 was $436.3 million, $402.1 million and $401.2 million, respectively. During the years ended December 31, 2020, 2019 and 2018, the Company capitalized $38.0 million, $35.9 million and $34.8 million, respectively, of stock-based compensation related to employees who developed and enhanced internal-use software applications. During the years ended December 31, 2020 and 2019, the Company wrote off $279.9 million and $166.7 million, respectively, of property and equipment, gross, along with the associated accumulated depreciation and amortization. The write- offs were primarily related to leasehold improvements, computer and networking equipment and internal-use software no longer in use. These assets had been substantially depreciated and amortized. In addition, the Company wrote off $0.8 million and $3.8 million, primarily of internal-use software as a result of certain restructuring efforts during the year ended December 31, 2020 and December 31, 2019, respectively.
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