Commitments and Contingencies

Litigation

The Company is involved in various legal proceedings, claims and litigation which arise in the ordinary course of the business. The Company makes a provision for a liability relating to legal matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These provisions are reviewed at least quarterly and adjusted to reflect the impacts of negotiations, settlements, rulings, advice of legal counsel and other information and events pertaining to a particular matter. The Company is not currently involved in any outstanding litigation that it believes, individually or in the aggregate, will have a material adverse effect on its business, financial condition, results of operations or cash flows.

Purchase Commitments

In the ordinary course of business, the Company enters into various purchase commitments for goods and services.

In December 2018, the Company entered into a noncancelable agreement with a computing infrastructure vendor that expires in December 2021. The purchase commitment as of December 31, 2018 was $6.4 million for the remaining period under the three-year agreement.

In June 2017, the Company entered into a noncancelable agreement with a computing infrastructure vendor that expires in June 2020. The purchase commitment as of December 31, 2018 was $12.6 million for the remaining period under the three-year agreement.

Contractual Obligations

In September 2018, the Company entered into an agreement of limited partnership related to a venture fund, pursuant to which the Company committed to make a capital contribution of $2.3 million within the next five years.

Indemnification

The Company’s software agreements generally include certain provisions for indemnifying customers against liabilities if the Company’s software solutions infringe a third party’s intellectual property rights. To date, the Company has not incurred any losses as a result of such indemnifications and has not accrued any liabilities related to such obligations in the Company’s Consolidated Financial Statements.

Lease Commitments

The Company leases office space and office equipment under non-cancelable operating leases that expire at various dates. The Company incurred approximately $4.3 million, $3.9 million and $4.1 million of total rent expense for the years ended December 31, 2018, 2017 and 2016, respectively. As of December 31, 2018, the future minimum lease commitments related to lease agreements were as follows:



Year Ending December 31,	Amount
2019	$	4,164
2020	1,649
2021	5,115
2022	6,181
2023	5,679
2024 and thereafter	57,365
Total minimum lease payments	$	80,153

The Company's headquarters are located in Houston, Texas, where it currently leases approximately 98,000 square feet of office space until October 31, 2019. In November, 2018, the Company entered into an agreement to lease approximately 118,000 square feet of office space for a new headquarter location which is expected to be occupied in the fourth quarter of 2019. The lease expires in August 2033.

The Company also has smaller regional offices, including in London, England; Toulouse, France; San Francisco, California; and Sofia, Bulgaria. The Company leases approximately 3,000 square feet of office space in London, approximately 14,000 square feet of space in Toulouse, approximately 6,600 of space in San Francisco, and approximately 23,000 square feet of space in Sofia.

The Company had no capital leases at December 31, 2018 and 2017.