Annual report pursuant to Section 13 and 15(d)

Debt and Credit Arrangements - Schedule of Maturities of Long-term Debt (Details)

v3.6.0.2
Debt and Credit Arrangements - Schedule of Maturities of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Debt Disclosure [Abstract]    
2017 $ 0 $ 0
2018 0 0
2019 0 0
Thereafter 140,000 0
Long-term Debt $ 140,000 $ 0