Segment information: (Tables)

6 Months Ended

Jun. 30, 2021

Segment information:

Schedule of service revenue by geographic region and product class and long lived assets by geographic region

The Company operates as one operating segment. The Company’s service revenue by geographic region and product class and long lived assets by geographic region are as follows (in thousands):

Three months Ended June 30, 2021
Revenues	On-net		Off-net		Non-core		Total
North America	$	85,123	$	31,892	$	125	$	117,140
Europe		22,372		4,494		14		26,880
Latin America		1,005		49		—		1,054
Asia Pacific		2,449		263		—		2,712
Africa		92		1		—		93
Total	$	111,041	$	36,699	$	139	$	147,879

Three months Ended June 30, 2020
Revenues	On-net		Off-net		Non-core		Total
North America	$	82,402	$	32,592	$	137	$	115,131
Europe		19,348		4,216		9		23,573
Latin America		426		10		—		436
Asia Pacific		1,624		226		—		1,850
Total	$	103,800	$	37,044	$	146	$	140,990

Six months Ended June 30, 2021
Revenues	On-net		Off-net		Non-core		Total
North America	$	169,589	$	63,735	$	213	$	233,537
Europe		44,792		9,086		32		53,910
Latin America		1,817		65		—		1,882
Asia Pacific		4,622		534		—		5,156
Africa		169		2		—		171
Total	$	220,989	$	73,422	$	245	$	294,656

Six months Ended June 30, 2020
Revenues	On-net		Off-net		Non-core		Total
North America	$	164,948	$	65,533	$	264	$	230,745
Europe		38,468		8,359		20		46,847
Latin America		746		20		—		766
Asia Pacific		3,094		452		—		3,546
Total	$	207,256	$	74,364	$	284	$	281,904

	June 30,		December 31,
	2021		2020
Long lived assets, net
North America	$	308,574	$	306,652
Europe and other		127,436		123,699
Total	$	436,010	$	430,351