PROPERTY AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property and equipment, net consisted of the following:


	Weighted Average Useful Life (in years)	As of December 31, 2020		As of December 31, 2019
Computer hardware	3	$	117,333	$	96,286
Buildings	46	52,007		51,300
Leasehold improvements	7	39,675		30,634
Purchased computer software	3	31,993		32,115
Furniture, fixture and other equipment	7	31,859		28,193
Office equipment	7	20,971		18,901
Land improvements	18	2,137		2,137
Land	n/a	1,339		—
		297,314		259,566
Less accumulated depreciation and amortization		(127,781)		(94,307)
Total		$	169,533	$	165,259

Depreciation and amortization expense related to property and equipment was $50.5 million, $35.4 million and $28.5 million during the years ended December 31, 2020, 2019 and 2018, respectively.

On November 1, 2019, the Company acquired an office building in Minsk, Belarus for $18.9 million, excluding refundable VAT. The acquired building is intended to be used in the Company’s normal operations as office space for its employees; however, a portion of the building was leased to third parties under operating lease agreements prior to the Company’s purchase and the Company will continue leasing under those agreements (see Note 8 “Leases”). In addition to this building, the Company has other assets which generate lease income. The gross amount of such assets including the leased portion of the Minsk building was $6.7 million and $10.7 million, and the associated accumulated depreciation was $0.2 million and $0.1 million as of December 31, 2020 and 2019, respectively. Depreciation expense associated with these assets held under operating leases was $0.2 million and $0.1 million for the year ended December 31, 2020 and 2019, respectively.