Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Opening and Closing Balances of the Company's Contract Assets and Deferred Revenue

The opening and closing balances of the Company’s contract assets, net of allowance for credit losses, and deferred revenue are as follows:

	Contract Assets, Current Portion(1)		Contract Assets(2)		Deferred Revenue, Current Portion(3)		Deferred Revenue(4)
	(in thousands)
December 31, 2019	$	496	$	3,216	$	14,991	$	27,852
December 31, 2020	—		3,997		14,870		23,862
Change	$	(496)	$	781	$	(121)	$	(3,990)

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(1)Amounts are included within other current assets on the Company’s consolidated balance sheets.

(2)Amounts are included within other assets on the Company’s consolidated balance sheets.

(3)Amounts include $1.7 million and $3.8 million of deferred revenue related to leases as of December 31, 2020 and 2019, respectively.

(4)Amounts include $2.7 million and $7.9 million of deferred revenue related to leases as of December 31, 2020 and 2019, respectively.

Fair Value Measurements

Information about the Company’s financial assets and liabilities measured at fair value on a recurring basis is presented below:

		December 31, 2020
	Balance Sheet Classification	Carrying Value		Level 1		Level 2		Level 3
		(in thousands)
Assets:
Cash equivalents	Cash and cash equivalents	$	60,664	$	60,664	$	—	$	—
Liabilities:
Interest rate swaps	Interest rate swap liability, current portion	$	9,418	$	—	$	9,418	$	—
Interest rate swaps	Other long-term liabilities	$	20,523	$	—	$	20,523	$	—

		December 31, 2019
	Balance Sheet Classification	Carrying Value		Level 1		Level 2		Level 3
		(in thousands)
Liabilities:
Interest rate swaps	Interest rate swap liability, current portion	$	3,464	$	—	$	3,464	$	—
Interest rate swaps	Other long-term liabilities	$	10,550	$	—	$	10,550	$	—

Components of Property and Equipment, Net

Property and equipment, net consists of the following:

	December 31,
	2020		2019
	(in thousands)
Land and land improvements	$	286,706	$	223,877
Buildings, building improvements, and leasehold improvements	532,938		435,214
Substation equipment	19,780		19,780
Data center equipment	1,230,623		1,021,056
Vehicles	1,974		1,732
Core network equipment	37,327		36,572
Fiber facilities	14,441		13,180
Computer equipment, furniture and fixtures	42,243		39,057
Finance lease ROU assets	72,951		72,569
Construction in progress	198,355		254,750
Property and equipment, gross	2,437,338		2,117,787
Less: accumulated depreciation and amortization	(699,923)		(566,670)
Property and equipment, net	$	1,737,415	$	1,551,117

Schedule of Finite-Lived Intangible Assets

A summary of the Company’s PECs as of the end of each period presented is as follows:

	December 31,
	2020		2019
	(in thousands)
PECs, gross	$	7,676	$	5,352
Accumulated amortization	(6,668)		(5,352)
PECs, net	$	1,008	$	—

Property, Plant and Equipment Useful Lives

The Company’s estimated useful lives of its property and equipment are as follows:

Assets	Estimated Useful Lives (in years)
Land improvements	20-30
Buildings, building improvements and leasehold improvements	2-40
Substation equipment	30
Data center equipment	5-10
Vehicles	7
Core network equipment	7
Fiber facilities	20, 25
Computer equipment, furniture and fixtures	3-5