Loans and Notes Payable - ABI Facility - Additional Information (Detail)	12 Months Ended
Dec. 31, 2019 USD ($) OptionPlan	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 128,806,000	$ 302,751,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 129,350,000
Interest rates	5.19%
Outstanding letter of credit	$ 25,128,000
Line of credit facility, remaining borrowing capacity	350,033,000
ABL Facility [Member]
Debt Instrument [Line Items]
Unamortized financing costs	1,992,000
ABL Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility current borrowing capacity	540,000,000
Credit facility borrowing maximum capacity	640,000,000
Letters of credit outstanding maximum under our ABL facility	$ 50,000,000
Debt instrument maturity date	Aug. 31, 2023
Number of pricing options \| OptionPlan	2
Commitment fee percentage	0.25%
Percentage applied to aggregate commitments and borrowing base	10.00%
Applicability of fixed charge coverage ratio, description	PCHI must comply with a fixed charge coverage ratio if excess availability under the ABL Facility on any day is less than the greater of: (a) 10% of the lesser of the aggregate commitments and the then borrowing base under the ABL Facility and (b) $40,000.
Line of credit facility, excess availability	$ 40,000,000
ABL Facility [Member] \| Revolving Credit Facility [Member] \| Alternate Base Interest Rate Loans [Member]
Debt Instrument [Line Items]
Interest rate description	(i) an alternate base interest rate (“ABR”) equal to the greater of (a) the prime rate, (b) the federal funds rate plus 0.5% or (c) the LIBOR rate plus 1%, in each case, on the date of such borrowing
ABL Facility [Member] \| Revolving Credit Facility [Member] \| Alternate Base Interest Rate Loans [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.25%
ABL Facility [Member] \| Revolving Credit Facility [Member] \| Alternate Base Interest Rate Loans [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility [Member] \| Revolving Credit Facility [Member] \| Federal Fund Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility [Member] \| Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
ABL Facility [Member] \| Revolving Credit Facility [Member] \| LIBOR Based Loans [Member]
Debt Instrument [Line Items]
Interest rate description	(ii) a LIBOR based interest rate, in each case plus an applicable margin.
ABL Facility [Member] \| Revolving Credit Facility [Member] \| LIBOR Based Loans [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
ABL Facility [Member] \| Revolving Credit Facility [Member] \| LIBOR Based Loans [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%

Debt instrument number of interest rate options available.

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- Definition

Fixed charge coverage ratio requirement description.

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No definition available.

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- Definition

Letters of credit outstanding maximum.

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No definition available.

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- Definition

Line of credit facility excess of borrowing availability.

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No definition available.

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Percentage applied to aggregate commitments and borrowing base.

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

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No definition available.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- Definition

The effective interest rate at the end of the reporting period.

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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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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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