Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.19.1
Long-Term Debt (Narrative) (Details) - Revolving Credit Facility [Member]
3 Months Ended
Mar. 31, 2019
USD ($)
Debt Instrument [Line Items]  
Line of Credit Facility, Maximum Borrowing Capacity $ 25,000,000
Debt Instrument, Maturity Date Oct. 30, 2020
Line of Credit Facility Additional Borrowing Capacity $ 25,000,000
Letters of Credit, Borrowing Capacity $ 5,000,000
Line of credit facility, lease adjusted leverage ratio 3.50
Long-term debt $ 0
Federal Funds Rate [Member]  
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 0.50%
Base Rate [Member]  
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 1.00%