COMMITMENTS AND CONTINGENCIES Commitments The Company had a total of $135.7 million in future obligations under leases to fund tenant improvements and other future construction obligations at December31, 2016 . The Company had outstanding letters of credit and performance bonds totaling $3.8 million at December31, 2016 . The Company recorded lease expense of $2.4 million , $2.0 million , and $1.3 million in 2016 , 2015 , and 2014 , respectively. The Company has future lease commitments under ground leases and operating leases totaling $211.2 million over weighted-average remaining terms of 78 and 3 years, respectively. Amounts due under these lease commitments are as follows (in thousands): 2017 $ 2,795 2018 2,718 2019 2,613 2020 2,492 2021 2,373 Thereafter 198,161 $ 211,152 Litigation The Company is subject to various legal proceedings, claims and administrative proceedings arising in the ordinary course of business, some of which are expected to be covered by liability insurance. Management makes assumptions and estimates concerning the likelihood and amount of any potential loss relating to these matters using the latest information available. The Company records a liability for litigation if an unfavorable outcome is probable and the amount of loss or range of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, the Company accrues the best estimate within the range. If no amount within the range is a better estimate than any other amount, the Company accrues the minimum amount within the range. If an unfavorable outcome is probable but the amount of the loss cannot be reasonably estimated, the Company discloses the nature of the litigation and indicates that an estimate of the loss or range of loss cannot be made. If an unfavorable outcome is reasonably possible and the estimated loss is material, the Company discloses the nature and estimate of the possible loss of the litigation. The Company does not disclose information with respect to