Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.19.1
Long-Term Debt (Narrative) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Revolving Credit Facility [Member]    
Line Of Credit Facility And Long Term Debt [Line Items]    
Line of credit facility, amount outstanding $ 18,271 $ 22,062