v3.26.1
Note 3 - Segment Reporting - Summary of Operating Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Consumer loans, including past due fees $ 545,086 $ 276,350 $ 1,074,531 $ 524,005  
Fees and related income on earning assets 150,878 94,285 261,307 172,626  
Other revenue 48,350 23,185 88,010 42,062  
Total operating revenue and other income 744,314 393,820 1,423,848 738,693  
Other non-operating income 9 343 64 636  
Total revenue and other income 744,323 394,163 1,423,912 739,329  
Interest expense (123,431) (53,684) (246,192) (101,214)  
Provision for credit losses (1,038) (1,382) (2,638) (2,450)  
Increase (Decrease) in Fair Value of Loans and Fees Receivable Recorded at Fair Value (396,280) (216,777) (761,804) (395,122)  
Net margin 223,574 122,320 413,278 240,543  
Salaries and benefits (27,250) (13,381) (55,896) (28,884)  
Card and loan servicing (57,863) (34,085) (102,781) (66,237)  
Marketing and solicitation (48,130) (24,949) (84,603) (45,283)  
Depreciation and amortization (3,592) (885) (7,178) (1,682)  
Other (20,732) (8,874) (37,965) (17,443)  
Total operating expenses (157,567) (82,174) (288,423) (159,529)  
Income before income taxes 66,007 40,146 124,855 81,014  
Total assets 7,491,770 3,643,175 7,491,770 3,643,175 $ 7,623,088
Income (loss) before income taxes 66,007 40,146 124,855 81,014  
Credit and Other Investments [Member]          
Consumer loans, including past due fees 535,507 267,204 1,055,409 505,707  
Fees and related income on earning assets 150,548 94,262 260,637 172,585  
Other revenue 48,147 23,012 87,594 41,710  
Total operating revenue and other income 734,202 384,478 1,403,640 720,002  
Other non-operating income 9 6 64 13  
Total revenue and other income 734,211 384,484 1,403,704 720,015  
Interest expense (123,082) (53,162) (245,475) (100,146)  
Provision for credit losses (386) (189) (1,196) (214)  
Increase (Decrease) in Fair Value of Loans and Fees Receivable Recorded at Fair Value (396,280) (216,777) (761,804) (395,122)  
Net margin 214,463 114,356 395,229 224,533  
Salaries and benefits (25,978) (12,133) (53,440) (26,419)  
Card and loan servicing (54,408) (30,764) (95,905) (59,621)  
Marketing and solicitation (48,047) (24,912) (84,504) (45,239)  
Depreciation and amortization (3,573) (866) (7,141) (1,644)  
Other (19,477) (7,685) (35,597) (15,219)  
Total operating expenses (151,483) (76,360) (276,587) (148,142)  
Income before income taxes 62,980 37,996 118,642 76,391  
Total assets 7,408,285 3,555,841 7,408,285 3,555,841  
Income (loss) before income taxes 62,980 37,996 118,642 76,391  
Auto Finance [Member]          
Consumer loans, including past due fees 9,579 9,146 19,122 18,298  
Fees and related income on earning assets 330 23 670 41  
Other revenue 203 173 416 352  
Total operating revenue and other income 10,112 9,342 20,208 18,691  
Other non-operating income 0 337 0 623  
Total revenue and other income 10,112 9,679 20,208 19,314  
Interest expense (349) (522) (717) (1,068)  
Provision for credit losses (652) (1,193) (1,442) (2,236)  
Increase (Decrease) in Fair Value of Loans and Fees Receivable Recorded at Fair Value 0 0 0 0  
Net margin 9,111 7,964 18,049 16,010  
Salaries and benefits (1,272) (1,248) (2,456) (2,465)  
Card and loan servicing (3,455) (3,321) (6,876) (6,616)  
Marketing and solicitation (83) (37) (99) (44)  
Depreciation and amortization (19) (19) (37) (38)  
Other (1,255) (1,189) (2,368) (2,224)  
Total operating expenses (6,084) (5,814) (11,836) (11,387)  
Income before income taxes 3,027 2,150 6,213 4,623  
Total assets 83,485 87,334 83,485 87,334  
Income (loss) before income taxes $ 3,027 $ 2,150 $ 6,213 $ 4,623