Property and equipment:

6 Months Ended

Jun. 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		Six Months		Six Months
	Ended		Ended		Ended		Ended
(in thousands)	June 30, 2023		June 30, 2022		June 30, 2023		June 30, 2022
Depreciation and amortization expense	$	51,153	$	23,071	$	76,306	$	45,762
Capitalized compensation cost		8,723		3,112		12,441		6,290