UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 8,799	$ 12,787
Restricted cash and equivalents	128,556	117,323
Finance receivables	1,022,391	1,522,085
Less: Allowance for finance credit losses	(12,740)	(67,376)
Finance receivables, net	1,009,651	1,454,709
Finance receivables measured at fair value	1,313,205	821,066
Furniture and equipment, net	1,702	1,837
Deferred tax assets, net	16,125	19,188
Accrued interest receivable	12,729	31,969
Other assets	46,695	26,801
Total	2,537,462	2,485,680
Liabilities
Accounts payable and accrued expenses	55,431	31,692
Warehouse lines of credit	157,761	136,847
Residual interest financing	39,385	39,106
Securitization trust debt	2,066,458	2,063,627
Subordinated renewable notes	15,529	17,290
Total	2,334,564	2,288,562
Shareholders' Equity
Preferred stock	0	0
Common stock, no par value; authorized 75,000,000 shares; 22,525,718 and 22,421,688 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively	70,676	70,273
Retained earnings	139,776	134,399
Accumulated other comprehensive loss	(7,554)	(7,554)
Total stockholders' equity	202,898	197,118
Total liabilities and stockholders' equity	2,537,462	2,485,680
Series A Preferred Stock [Member]
Shareholders' Equity
Preferred stock	0	0
Series B Preferred Stock [Member]
Shareholders' Equity
Preferred stock	$ 0	$ 0

Residual interest financing.

No definition available.

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

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.