Commitments and Contingencies Legal Proceedings The Company is from time to time involved in various disputes, lawsuits, warranty claims, environmental and other matters arising in the ordinary course of business. Management makes assumptions and estimates concerning the likelihood and amount of any potential loss relating to these matters. The Company currently is a party to various legal proceedings, none of which management expects will have a material adverse effect on the Companys financial position, results of operations or liquidity. Management accrues a liability for litigation if an unfavorable outcome is determined to be probable and the amount of loss can be reasonably estimated. If an unfavorable outcome is determined to be probable and a range of loss can be reasonably estimated, management accrues the best estimate within the range; however, if no amount within the range is a better estimate than any other, the minimum amount within the range is accrued. Legal fees related to litigation are expensed as incurred. Management does not believe that the ultimate outcome of these matters, either individually or in the aggregate, could have a material adverse effect on the Companys financial position or results of operations; however, litigation is subject to inherent uncertainties. Under the Companys leases, tenants are typically obligated to indemnify the Company from and against all liabilities, costs and expenses imposed upon or asserted against it as owner of the properties due to certain matters relating to the operation of the properties by the tenant. Commitments The Company has a bonding line of credit for its general contracting construction business and is contingently liable under performance and payment bonds, bonds for cancellation of mechanics liens and defect bonds. Such bonds collectively totaled $184.0 million and $183.0 million as of September30, 2016 and December31, 2015 , respectively. The Operating Partnership has entered into standby letters of credit using the available capacit