	September 30, 2020			December 31, 2019
Computers and equipment	$	10,544		$	7,536
Furniture and fixtures		5,090			4,804
Leasehold improvements		17,510			16,517
Capitalized software development costs		40,522			24,630
Total property and equipment	$	73,666		$	53,487
Less: accumulated depreciation and amortization		(31,607	)		(20,738	)
Total property and equipment, net	$	42,059		$	32,749

The Company capitalizes costs related to the development of computer software for internal use and is included in capitalized software development costs within property and equipment, net.

Depreciation and amortization expense was approximately $3.7 million and $10.7 million for the three and nine months ended September 30, 2020, respectively. Depreciation and amortization expense was approximately $3.8 million and $8.3 million for the three and nine months ended September 30, 2019, respectively.