Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Details)

v3.8.0.1
Fair Value (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2018
USD ($)
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]  
Ending balance, December 31, 2017 $ 271
Additions not previously recognized 0
Ending balance, March 31, 2018 $ 271