Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement- Fair Value and Carrying Value of Long-term Debt (Details)

v3.5.0.2
Fair Value Measurement- Fair Value and Carrying Value of Long-term Debt (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Fair Value Disclosures [Abstract]    
Long-term debt value, fair value $ 115,305,000 $ 108,323,000
Long-term debt value, carrying value 113,530,000 $ 107,148,000
Assets, fair value disclosure, nonrecurring $ 0