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Long-Term Debt - Summary of Interest Received and Paid under Term of Cash Flow Swap (Details) | Dec. 31, 2018 USD ($)
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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%

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- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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