PROPERTY AND EQUIPMENT

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

6. PROPERTY AND EQUIPMENT:

Property and equipment, net consist of the following (in thousands):

	September 30, 2023			December 31, 2022
Land	$	9,393		$	2,642
Building and improvements		118,365			99,586
Office and lab equipment		144,188			129,697
Furniture, fixtures and computer related assets		18,814			18,071
Construction-in-progress		20,898			10,567
		311,658			260,563
Less: Accumulated depreciation		(137,020	)		(117,118	)
Property and equipment, net	$	174,638		$	143,445

Depreciation expense was $6.9 million and $6.5 million for the three months ended September 30, 2023 and 2022, respectively, and $20.1 million and $18.0 million for the nine months ended September 30, 2023 and 2022, respectively. The increase in property and equipment, net for the nine months ended September 30, 2023 is primarily due to the purchases of two previously leased facilities for an aggregate cost of $23.4 million.