Commitments and Contingencies

Operating Lease Commitments

The Company leases office space under non-cancellable operating leases for its corporate headquarters in Austin, Texas in two adjacent buildings under separate lease agreements, pursuant to the first of which the Company leases approximately 67 square feet of office space with an initial term that expires on April 30, 2021, with the option to extend the lease for an additional five-year term, and pursuant to the second of which the Company leases approximately 129 square feet of office space with an initial term that expires on April 30, 2028, with the option to extend the lease for an additional ten-year term. The Company also leases office space in: Lincoln, Nebraska; Des Moines, Iowa; Atlanta, Georgia; Asheville, North Carolina; and south Austin, Texas. The Company believes its current facilities will be adequate for its needs for the foreseeable future. Rent expense under operating leases was $1.1 million and $1.0 million for the three months ended June 30, 2017 and 2016, respectively, and $2.2 million and $1.9 million for the six months ended June 30, 2017 and 2016, respectively.

Contractual Commitments

The Company has non-cancelable contractual commitments related to third-party products, co-location fees and other product costs. The Company is party to several purchase commitments for third-party products that contain both a contractual minimum obligation and a variable obligation based upon usage or other factors which can change on a monthly basis. The estimated amounts for usage and other factors are not included within the table below. Future minimum contractual commitments that have initial or remaining non-cancelable terms in excess of one year were as follows:



	Contractual Commitments
Year Ended December 31,
2017 (from July 1 to December 31)	$	5,554
2018	12,135
2019	10,109
2020	6,744
2021 and thereafter	—
Total commitments	$	34,542

Legal Proceedings

From time to time, the Company may become involved in legal proceedings arising in the ordinary course of its business. The Company is not presently a party to any legal proceedings that, if determined adversely to the Company, would have a material adverse effect on the Company.