(6) Debt (Details - Debt outstanding) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Warehouse lines of credit	$ 105,610	$ 118,999
Residual interest financing	53,682	25,426
Subordinated renewable notes	26,459	21,323
Total debt outstanding	$ 186,780	$ 167,411
Subordinated renewable notes [Member]
Line of Credit Facility [Line Items]
Interest rate	8.93%	10.09%
Maturity date description	January 2024	January 2023
Subordinated renewable notes	$ 26,459	$ 21,323
Warehouse lines of credit [Member]
Line of Credit Facility [Line Items]
Interest rate	5.50% over one month Libor (Minimum 6.50%)
Warehouse lines of credit	$ 0	42,558
Warehouse lines of credit 2 [Member]
Line of Credit Facility [Line Items]
Interest rate	3.00% over one month Libor (Minimum 3.75%)
Warehouse lines of credit	$ 70,590	45,689
Maturity date description	December 2022
Warehouse lines of credit 3 [Member]
Line of Credit Facility [Line Items]
Interest rate	3.50% over a commercial paper rate (Minimum 4.50%)
Warehouse lines of credit	$ 35,420	32,265
Maturity date description	January 2024
Residual interest financing [Member]
Line of Credit Facility [Line Items]
Maturity date description	January 2026
Interest rate	8.60%
Residual interest financing	$ 4,311	25,576
Residual interest financing [Member]
Line of Credit Facility [Line Items]
Maturity date description	June 2026
Interest rate	7.86%
Residual interest financing	$ 50,000	$ 0

No definition available.

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Namespace Prefix:	cpss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

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- Definition

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.

+ References

+ Details

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

+ References

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

Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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- Details

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