Leases (Tables)

3 Months Ended

Mar. 31, 2019

The following table is a summary of the Company’s operating lease costs for the three months ended March 31, 2019 (in thousands, except years and rates):



	Real Estate Arrangements			Co-location Arrangements			Total
Operating lease cost	$	14,823		$	22,996		$	37,819
Short-term lease cost	102			3,416			3,518
Variable lease cost	3,368			4,362			7,730
Sublease income	(1,033		)	—			(1,033		)
Total operating lease costs	$	17,260		$	30,774		$	48,034
Weighted average remaining lease term (in years)	10.1			2.0
Weighted average discount rate	4.4		%	2.6		%

Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities as of March 31, 2019 were as follows (in thousands):



	Real Estate Arrangements		Co-location Arrangements
Remainder of 2019	$	42,867	$	54,265
2020	47,640		16,662
2021	43,948		4,083
2022	38,861		1,030
2023	37,483		795
Thereafter	196,390		3,869
Total lease payments	407,189		80,704
Less: imputed interest	90,096		2,871
Total lease liabilities	$	317,093	$	77,833

Minimum Aggregate Future Obligations Under Non-Cancelable Leases

The minimum aggregate future obligations under non-cancelable operating leases, including real estate and co-location arrangements, and bandwidth commitments as of December 31, 2018 were as follows (in thousands):



	Real Estate Arrangements		Bandwidth and Co-location Arrangements
2019	$	54,561	$	138,777
2020	78,683		24,420
2021	75,991		8,463
2022	72,579		5,233
2023	70,101		2,156
Thereafter	599,339		3,709
Total	$	951,254	$	182,758