Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Interest Received and Paid under Term of Cash Flow Swap (Details)

v3.10.0.1
Long-Term Debt - Summary of Interest Received and Paid under Term of Cash Flow Swap (Details)
Dec. 31, 2018
USD ($)
Derivatives, Fair Value [Line Items]  
Payment of interest rate $ 0
One-month LIBOR rate 2.503%
Cash Flow Swap A  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 3.750
Pay Rate 2.00%
Cash Flow Swap B  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 3.750
Pay Rate 3.00%
Cash Flow Swap C  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 3.125
Pay Rate 2.00%
Cash Flow Swap D  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 2.500
Pay Rate 3.00%
Cash Flow Swap E  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 2.250
Pay Rate 3.00%
Cash Flow Swap F  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 1.500
Pay Rate 2.00%
Cash Flow Swap G  
Derivatives, Fair Value [Line Items]  
Notional Amount $ 2.500
Pay Rate 3.00%