Debt Instrument, Extension Fee

No definition available.

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- Definition

Line of Credit Facility, Expiration Period Prior To Final Maturity Of Senior Notes

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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.

+ Details

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Balance Type:	na
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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

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-Publisher FASB
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+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=psix_FivePointFiveZeroPercentSeniorNotesMember
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- Details

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- Details

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- Details

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Debt - Credit Agreement - Narrative (Details) - USD ($)			3 Months Ended
Debt - Credit Agreement - Narrative (Details) - USD ($)	Apr. 29, 2020	Apr. 02, 2020	Mar. 31, 2020	Mar. 31, 2019	May 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Proceeds from revolving line of credit			$ 127,560,000	$ 137,298,000
Cash and cash equivalents			$ 816,000			$ 3,000
Subsequent Event
Debt Instrument [Line Items]
Cash and cash equivalents					$ 35,500,000
Unsecured senior notes \| Subsequent Event \| 5.50% Senior Notes
Debt Instrument [Line Items]
Redeemed and discharged debt		$ 55,000,000
Revolving Credit Facility \| Subsequent Event \| Standard Chartered Bank Credit Agreement
Debt Instrument [Line Items]
Borrowing amount		$ 130,000,000
Maturity period prior to the final maturity of unsecured senior notes		60 days
Extension fee percentage		0.25%
Basis spread on variable rate		0.25%
Loss on extinguishment of debt		$ 500,000
Debt issuance costs		2,000,000
Proceeds from revolving line of credit	$ 35,000,000	$ 95,000,000
Borrowings outstanding					$ 130,000,000
Revolving Credit Facility \| Subsequent Event \| Standard Chartered Bank Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
Revolving Credit Facility \| Subsequent Event \| Wells Fargo Credit Agreement
Debt Instrument [Line Items]
Repayment of debt		$ 16,800,000