Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Changes in Allowance for Credit Losses (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Beginning balance | $ 219,500 | $ 199,100 | $ 220,900 | $ 199,500 | |
| Provision for credit losses | 69,006 | 60,587 | 133,874 | 118,579 | |
| Credit losses | (70,262) | (60,528) | (141,423) | (122,237) | |
| Recoveries | 5,756 | 3,641 | 10,649 | 6,958 | |
| Ending balance | 224,000 | 202,800 | 224,000 | 202,800 | |
| Net finance receivables | $ 2,148,253 | $ 1,960,364 | $ 2,148,253 | $ 1,960,364 | $ 2,140,199 |
| Allowance as Percentage of Finance Receivables | 10.40% | 10.30% | 10.40% | 10.30% | |
| Large [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Beginning balance | $ 155,600 | $ 134,411 | $ 152,300 | $ 133,506 | |
| Provision for credit losses | 45,873 | 36,068 | 88,021 | 70,689 | |
| Credit losses | (43,271) | (34,640) | (85,213) | (70,395) | |
| Recoveries | 3,798 | 2,271 | 6,892 | 4,310 | |
| Ending balance | 162,000 | 138,110 | 162,000 | 138,110 | |
| Net finance receivables | $ 1,659,685 | $ 1,413,367 | $ 1,659,685 | $ 1,413,367 | 1,593,171 |
| Allowance as Percentage of Finance Receivables | 9.80% | 9.80% | 9.80% | 9.80% | |
| Small [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Beginning balance | $ 63,900 | $ 64,689 | $ 68,600 | $ 65,994 | |
| Provision for credit losses | 23,133 | 24,519 | 45,853 | 47,890 | |
| Credit losses | (26,991) | (25,888) | (56,210) | (51,842) | |
| Recoveries | 1,958 | 1,370 | 3,757 | 2,648 | |
| Ending balance | 62,000 | 64,690 | 62,000 | 64,690 | |
| Net finance receivables | $ 488,568 | $ 546,997 | $ 488,568 | $ 546,997 | $ 547,028 |
| Allowance as Percentage of Finance Receivables | 12.70% | 11.80% | 12.70% | 11.80% | |