Property and equipment:

6 Months Ended

Jun. 30, 2022

Property and equipment:

Property and equipment:

2.  Property and equipment:

Depreciation and amortization expense related to property and equipment and finance leases was $23.1 million and $22.1 million for the three months ended June 30, 2022 and 2021, respectively, and $45.8 million and $44.1 million for the six months ended June 30, 2022 and 2021, respectively. The Company capitalized salaries and related benefits of employees working directly on the construction and build-out of its network of $3.1 million and $4.2 million for the three months ended June 30, 2022 and 2021, respectively, and $6.3 million and $7.4 million for the six months ended June 30, 2022 and 2021, respectively.