Property and equipment:

9 Months Ended

Sep. 30, 2023

Property and equipment:

Property and equipment:

2.  Property and equipment:

Depreciation and amortization expense related to property and equipment and finance leases and capitalized compensation costs of employees directly involved with construction activities were as follows (in thousands):

	Three Months		Three Months		Nine Months		Nine Months
	Ended		Ended		Ended		Ended
(in thousands)	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Depreciation and amortization expense	$	86,718	$	22,891	$	164,371	$	68,640
Capitalized compensation cost		11,675		3,002		24,115		9,290