Long-Term Debt - Summary of long term debt information (Details) $ in Thousands	9 Months Ended
Sep. 30, 2019 USD ($)
Term loan payable to a financial institution; Interest rate option of bank prime or Libor plus 1.4% (3.840% as of June 30, 2019), monthly principal payments of $21,833 through 2021 with a balloon payment of $786,000 due December 1, 2021
Debt Instrument [Line Items]
Description of rate basis	Libor
Percentage of floating interest rate payable	1.40%
Percentage of fixed interest rate payable	3.84%
Frequency of principal payments	monthly
Monthly principal payments	$ 21,833
Balloon payment due December 1, 2021	$ 786,000
Term loan payable to a financial institution; Interest rate option of bank prime or Libor plus 1.4% (3.840% as of June 30, 2019), monthly principal payments of $23,810 through December 1, 2021
Debt Instrument [Line Items]
Description of rate basis	Libor
Percentage of floating interest rate payable	1.40%
Percentage of fixed interest rate payable	3.84%
Frequency of principal payments	monthly
Monthly principal payments	$ 23,810
Line of credit payable to a financial institution; Interest rate option of bank prime 5.25%. Line of credit expires June 19, 2021
Debt Instrument [Line Items]
Percentage of fixed interest rate payable	5.25%
Equipment financing lease obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 1.822758% - 1.869304% at time of funding)
Debt Instrument [Line Items]
Description of rate basis	Interest rate/factor
Equipment financing lease obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 1.822758% - 1.869304% at time of funding) \| Minimum
Debt Instrument [Line Items]
Percentage of floating interest rate payable	1.82276%
Equipment financing lease obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 1.822758% - 1.869304% at time of funding) \| Maximum
Debt Instrument [Line Items]
Percentage of floating interest rate payable	1.8693%
Equipment note obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 3.3943% - 3.8527% at time of funding)
Debt Instrument [Line Items]
Description of rate basis	Interest rate/factor
Equipment note obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 3.3943% - 3.8527% at time of funding) \| Minimum
Debt Instrument [Line Items]
Percentage of floating interest rate payable	3.3943%
Equipment note obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 3.3943% - 3.8527% at time of funding) \| Maximum
Debt Instrument [Line Items]
Percentage of floating interest rate payable	3.8527%

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No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of the required periodic payments including both interest and principal payments.

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