Debt instrument basis revised spread on LIBOR rate.

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- Definition

Debt instrument basis spread on reference rate.

+ References

No definition available.

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- Definition

Debt Instrument, Mandatory Repayment Amount

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- Definition

Debt instrument par value percentage.

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- Definition

Debt instrument reference rate.

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No definition available.

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- Definition

Debt instrument revised LIBOR rate.

+ References

No definition available.

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- Definition

Debt Instrument, Voluntary Prepayment Amount

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No definition available.

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- Definition

Long Term Debt, Number Of Mandatory Repayments

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No definition available.

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- Definition

Long Term Debt, Number Of Voluntary Prepayments

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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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.

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Notes Payable - Additional Information (Detail)		3 Months Ended	12 Months Ended
Notes Payable - Additional Information (Detail)	Feb. 09, 2016 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2019 USD ($) repayment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 30, 2017 USD ($)	Feb. 29, 2016 USD ($)
Long-Term Debt [Line Items]
Mandatory repayments on term loan			$ 130,980,000	$ 1,681,094,000	$ 1,797,634,000
Interest expense, net (including impact of amortization of deferred financing costs and original issuance discount)			144,676,000	149,480,000	157,142,000
Interest expense and service fees			132,326,000	136,094,000	138,041,000
Financing costs expensed			$ 0	$ 1,228,000	$ 5,487,000
Revolving Credit Facility
Long-Term Debt [Line Items]
Aggregate principal amount not to exceed	$ 165,000,000.0
Line of credit facility, commitment fee percent	0.50%
2018 First Lien Term Loan
Long-Term Debt [Line Items]
LIBOR based interest rate reduced			3.75%
Debt instrument reference rate			2.75%
Greater of the LIBOR rate			1.00%
Adjusted LIBOR rate			2.00%
Number of mandatory repayments \| repayment			4
Mandatory repayment amount			$ 7,900,000
Mandatory repayments on term loan			$ 131,000,000.0
Term Loan
Long-Term Debt [Line Items]
Deferred financing costs		$ 400,000
Interest expense and service fees		300,000
Financing costs expensed		1,200,000
LIBOR Based Interest Rate Loan \| Revolving Credit Facility
Long-Term Debt [Line Items]
Basis spread on variable rate	0.50%
Debt instrument reference rate	4.00%
Greater of the LIBOR rate	3.00%
LIBOR Based Interest Rate Loan \| Extended Revolving Loan
Long-Term Debt [Line Items]
Debt instrument reference rate	3.25%
Alternate Base Rate Loan \| Extended Revolving Loan
Long-Term Debt [Line Items]
Greater of the LIBOR rate	2.25%
Notes
Long-Term Debt [Line Items]
Original loan balance	$ 350,000,000.0
Debt instrument issue price as percent of par value	98.065%
Interest rate—notes (as a percent)	10.875%		10.875%	10.875%	10.875%
Senior notes						$ 350,000,000.0	$ 350,000,000.0
Debt instrument issue price			101.00%
2016 Revolver Commitments Maturing February 2021 \| Revolving Credit Facility
Long-Term Debt [Line Items]
Aggregate principal amount not to exceed		58,800,000
2016 Revolver Commitments Maturing June 2023 \| Revolving Credit Facility
Long-Term Debt [Line Items]
Aggregate principal amount not to exceed		$ 106,200,000
London Interbank Offered Rate (LIBOR) \| 2018 First Lien Term Loan
Long-Term Debt [Line Items]
Basis spread on variable rate			1.00%
London Interbank Offered Rate (LIBOR) \| LIBOR Based Interest Rate Loan \| Revolving Credit Facility
Long-Term Debt [Line Items]
Greater of the LIBOR rate	1.00%
Federal Funds Effective Swap Rate \| 2018 First Lien Term Loan
Long-Term Debt [Line Items]
Basis spread on variable rate			0.50%
Voluntary Prepayment Number One \| 2018 First Lien Term Loan
Long-Term Debt [Line Items]
Number of voluntary prepayments \| repayment			3
Voluntary repayment amount			$ 17,100,000
One Mandatory Payment \| 2018 First Lien Term Loan
Long-Term Debt [Line Items]
Number of mandatory repayments \| repayment			1
Mandatory repayment amount			$ 48,100,000