Debt (Details 1) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Other indebtedness		$ 1,204	$ 1,204
Total Debt		400,028	399,800
Total Long-Term Debt		400,028	399,800
7.25% Unsecured Notes due February 1, 2019 [Member]
Debt Instrument [Line Items]
Unsecured notes	[1]	$ 398,824	$ 398,596
Debt Instrument, Interest Rate, Stated Percentage		7.25%	7.25%
Unamortized debt issuance costs		$ 100	$ 100

[1] The carrying value is net of $0.1 million of unamortized debt issuance costs as of June 30, 2016 and December 31, 2015, respectively.