Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property and Equipment

Summary of property and equipment

The following is a summary of property and equipment (in thousands):

	December 31,
	2022		2021		Useful Life
Land and buildings	$	154,596	$	144,718	Buildings 30 Years
Leasehold improvements		21,349		19,555	Various*
Office equipment		23,659		20,045	3 - 5 Years
Construction equipment		717,419		652,296	3 - 10 Years
Solar equipment		23,552		23,552	25 years
Construction in progress		26,145		22,369
		966,720		882,535
Less: accumulated depreciation and amortization		(472,861)		(449,256)
Property and equipment, net	$	493,859	$	433,279

* Leasehold improvements are depreciated over the shorter of the life of the leasehold improvement or the lease term.