Equipment and leasehold improvements

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Equipment and leasehold improvements

Equipment and leasehold improvements

Equipment and leasehold improvements were as follows:

	December 31,
	2021		2020
	(in thousands)
Computers	$	14,629	$	10,529
Software	1,182		666
Furniture/fixtures	4,394		3,417
Leasehold improvements	11,123		10,669
Capital in progress	3,003		698
Equipment and leasehold improvements, gross	34,331		25,979
Less: accumulated depreciation	(16,286)		(10,849)
Equipment and leasehold improvements, net	$	18,045	$	15,130

Depreciation expense was $5.8 million, $5.2 million, and $4.4 million for the years ended December 31, 2021, 2020, and 2019, respectively.