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Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Financing Receivable Credit Quality Indicators (Detail) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025 | Mar. 31, 2025
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | $ 373,144 | $ 1,497,721 |
2025 | 1,238,940 | 436,202 |
2024 | 336,305 | 143,973 |
2023 | 110,592 | 52,423 |
2022 | 38,526 | 9,079 |
Prior | 6,494 | 801 |
Total Net Finance Receivables | 2,104,001 | 2,140,199 | $ 1,890,351
FICO Band 1 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 56,570 | 202,359 |
2025 | 165,569 | 49,218 |
2024 | 37,838 | 17,162 |
2023 | 13,074 | 5,301 |
2022 | 4,192 | 1,509 |
Prior | 1,474 | 395 |
Total Net Finance Receivables | 278,717 | 275,944 |
FICO Band 2 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 29,153 | 111,790 |
2025 | 91,649 | 27,587 |
2024 | 21,112 | 7,637 |
2023 | 5,866 | 2,148 |
2022 | 1,587 | 385 |
Prior | 294 | 48 |
Total Net Finance Receivables | 149,661 | 149,595 |
FICO Band 3 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 42,644 | 175,021 |
2025 | 142,686 | 44,967 |
2024 | 34,340 | 14,199 |
2023 | 11,045 | 5,495 |
2022 | 4,009 | 747 |
Prior | 502 | 51 |
Total Net Finance Receivables | 235,226 | 240,480 |
FICO Band 4 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 53,491 | 223,052 |
2025 | 183,097 | 62,956 |
2024 | 48,281 | 21,530 |
2023 | 16,575 | 8,664 |
2022 | 6,456 | 1,134 |
Prior | 783 | 80 |
Total Net Finance Receivables | 308,683 | 317,416 |
FICO Band 5 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 56,883 | 237,016 |
2025 | 196,331 | 75,137 |
2024 | 57,577 | 24,089 |
2023 | 18,572 | 10,086 |
2022 | 7,357 | 1,898 |
Prior | 1,319 | 91 |
Total Net Finance Receivables | 338,039 | 348,317 |
FICO Band 6 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 134,403 | 548,483 |
2025 | 459,608 | 176,337 |
2024 | 137,157 | 59,356 |
2023 | 45,460 | 20,729 |
2022 | 14,925 | 3,406 |
Prior | 2,122 | 136 |
Total Net Finance Receivables | 793,675 | 808,447 |
Large Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 257,232 | 1,061,776 |
2025 | 912,434 | 336,199 |
2024 | 272,058 | 133,686 |
2023 | 105,258 | 51,732 |
2022 | 38,129 | 8,995 |
Prior | 6,417 | 783 |
Total Net Finance Receivables | 1,591,528 | 1,593,171 | 1,345,825
Large Loans [Member] | FICO Band 1 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 30,525 | 119,724 |
2025 | 104,813 | 36,692 |
2024 | 29,643 | 15,225 |
2023 | 11,862 | 5,034 |
2022 | 4,022 | 1,453 |
Prior | 1,423 | 382 |
Total Net Finance Receivables | 182,288 | 178,510 |
Large Loans [Member] | FICO Band 2 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 18,984 | 75,189 |
2025 | 64,410 | 21,423 |
2024 | 17,126 | 6,854 |
2023 | 5,431 | 2,086 |
2022 | 1,555 | 383 |
Prior | 292 | 48 |
Total Net Finance Receivables | 107,798 | 105,983 |
Large Loans [Member] | FICO Band 3 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 28,753 | 121,142 |
2025 | 103,349 | 35,473 |
2024 | 28,501 | 13,157 |
2023 | 10,480 | 5,398 |
2022 | 3,952 | 739 |
Prior | 494 | 51 |
Total Net Finance Receivables | 175,529 | 175,960 |
Large Loans [Member] | FICO Band 4 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 38,284 | 160,692 |
2025 | 136,967 | 50,359 |
2024 | 40,628 | 20,102 |
2023 | 15,809 | 8,588 |
2022 | 6,415 | 1,130 |
Prior | 779 | 77 |
Total Net Finance Receivables | 238,882 | 240,948 |
Large Loans [Member] | FICO Band 5 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 41,321 | 173,379 |
2025 | 148,529 | 58,320 |
2024 | 46,981 | 22,357 |
2023 | 17,737 | 9,995 |
2022 | 7,304 | 1,893 |
Prior | 1,314 | 90 |
Total Net Finance Receivables | 263,186 | 266,034 |
Large Loans [Member] | FICO Band 6 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 99,365 | 411,650 |
2025 | 354,366 | 133,932 |
2024 | 109,179 | 55,991 |
2023 | 43,939 | 20,631 |
2022 | 14,881 | 3,397 |
Prior | 2,115 | 135 |
Total Net Finance Receivables | 623,845 | 625,736 |
Small Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 115,912 | 435,945 |
2025 | 326,506 | 100,003 |
2024 | 64,247 | 10,287 |
2023 | 5,334 | 691 |
2022 | 397 | 84 |
Prior | 77 | 18 |
Total Net Finance Receivables | 512,473 | 547,028 | $ 544,526
Small Loans [Member] | FICO Band 1 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 26,045 | 82,635 |
2025 | 60,756 | 12,526 |
2024 | 8,195 | 1,937 |
2023 | 1,212 | 267 |
2022 | 170 | 56 |
Prior | 51 | 13 |
Total Net Finance Receivables | 96,429 | 97,434 |
Small Loans [Member] | FICO Band 2 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 10,169 | 36,601 |
2025 | 27,239 | 6,164 |
2024 | 3,986 | 783 |
2023 | 435 | 62 |
2022 | 32 | 2 |
Prior | 2 | 0 |
Total Net Finance Receivables | 41,863 | 43,612 |
Small Loans [Member] | FICO Band 3 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 13,891 | 53,879 |
2025 | 39,337 | 9,494 |
2024 | 5,839 | 1,042 |
2023 | 565 | 97 |
2022 | 57 | 8 |
Prior | 8 | 0 |
Total Net Finance Receivables | 59,697 | 64,520 |
Small Loans [Member] | FICO Band 4 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 15,207 | 62,360 |
2025 | 46,130 | 12,597 |
2024 | 7,653 | 1,428 |
2023 | 766 | 76 |
2022 | 41 | 4 |
Prior | 4 | 3 |
Total Net Finance Receivables | 69,801 | 76,468 |
Small Loans [Member] | FICO Band 5 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 15,562 | 63,637 |
2025 | 47,802 | 16,817 |
2024 | 10,596 | 1,732 |
2023 | 835 | 91 |
2022 | 53 | 5 |
Prior | 5 | 1 |
Total Net Finance Receivables | 74,853 | 82,283 |
Small Loans [Member] | FICO Band 6 [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
2026 | 35,038 | 136,833 |
2025 | 105,242 | 42,405 |
2024 | 27,978 | 3,365 |
2023 | 1,521 | 98 |
2022 | 44 | 9 |
Prior | 7 | 1 |
Total Net Finance Receivables | $ 169,830 | $ 182,711 |

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