Commitments and Contingencies We lease our home office space and certain equipment under various operating leases. Rent expense for the years ended December 31, 2013 , 2012 and 2011 totaled $2.3 million , $2.0 million and $1.9 million , respectively. At December 31, 2013 , the aggregate future minimum lease payments are $12.8 million . The following represents payments due by period for operating lease obligations as of December 31, 2013 (dollars in thousands): Year Ending December 31: 2014 $ 1,782 2015 2,289 2016 1,685 2017 1,440 2018 1,364 2019 and thereafter 4,228 We are occasionally involved in litigation, both as a defendant and as a plaintiff. In addition, state regulatory bodies, such as state insurance departments, the SEC, FINRA, the Department of Labor, and other regulatory bodies regularly make inquiries and conduct examinations or investigations concerning our compliance with, among other things, insurance laws, securities laws, the Employee Retirement Income Security Act of 1974, as amended, and laws governing the activities of broker-dealers. In accordance with applicable accounting guidelines, we establish an accrued liability for litigation and regulatory matters when those matters present loss contingencies that are both probable and estimable. As a litigation or regulatory matter is developing we, in conjunction with outside counsel, evaluate on an ongoing basis whether the matter presents a loss contingency that meets conditions indicating the need for accrual and/or disclosure, and if not the matter will continue to be monitored for further developments. If and when the loss contingency related to litigation or regulatory matters is deemed to be both probable and estimable, we will establish an accrued liability with respect to that matter and will continue to monitor the matter for further developments that may affect the amount of the accrued liability. In connection with the matter described below, we recorded an estimated litigation liability of $17.5 million during the third quarter of 20