Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Details)

v3.19.1
Derivative Financial Instruments (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 24, 2018
USD ($)
derivative_instrument
Mar. 31, 2016
USD ($)
derivative_instrument
Reclassification out of AOCI        
Derivative [Line Items]        
Cash flow hedge gain (loss) to be reclassified within twelve months $ 400      
Interest rate swap agreements        
Derivative [Line Items]        
Number of derivative instruments | derivative_instrument     2 2
Blended fixed interest rate percentage     2.57% 0.89%
Contract termination value (600)      
Other Assets | Interest rate swap agreements        
Derivative [Line Items]        
Notional amount       $ 75,000
Other long-term liabilities | Interest rate swap agreements        
Derivative [Line Items]        
Notional amount     $ 100,000  
Derivative Financial Instruments | Recurring | Other Assets | Level 2 | Interest rate swap agreements        
Derivative [Line Items]        
Notional amount 75,000 $ 75,000    
Derivative Financial Instruments | Recurring | Other long-term liabilities | Level 2 | Interest rate swap agreements        
Derivative [Line Items]        
Notional amount $ 100,000 $ 100,000