XML 35 R23.htm IDEA: XBRL DOCUMENT v3.4.0.3
Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Fair Value Disclosures [Abstract]      
Senior unsecured notes payable $ 193,000 $ 199,000 $ 206,000
Senior unsecured notes $ 196,037 $ 195,874 $ 195,409