v3.26.1
Quarterly Information (Unaudited) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Selected Quarterly Financial Information [Abstract]                      
Total revenues $ 175,907,000 $ 141,637,000 $ 134,848,000 $ 132,775,000 $ 163,688,000 $ 138,955,000 $ 131,729,000 $ 129,801,000 $ 585,166,700 $ 564,171,036 $ 572,810,448
Provision for credit losses 36,822,000 51,423,000 49,841,000 50,516,000 33,024,000 44,103,000 46,669,000 45,419,000 188,602,351 169,215,395 156,973,220
General and administrative expenses 81,493,000 78,057,000 71,968,000 70,360,000 65,940,000 67,223,000 46,355,000 61,412,000 301,879,166 240,931,113 268,600,159
Interest expense 12,684,000 12,786,000 14,343,000 9,630,000 11,190,000 11,294,000 10,457,000 9,769,000 49,442,668 42,709,580 48,232,287
Income tax expense (benefit) 9,618,000 (4,000) 358,000 684,000 10,434,000 2,706,000 5,882,000 3,050,000 10,656,491 22,072,226 21,958,438
Net income (loss) $ 35,290,000 $ (625,000) $ (1,662,000) $ 1,585,000 $ 43,100,000 $ 13,629,000 $ 22,366,000 $ 10,151,000 $ 34,586,024 $ 89,242,722 $ 77,046,344
Net income (loss) per common share:                      
Basic (in dollars per share) $ 7.53 $ (0.13) $ (0.33) $ 0.30 $ 8.11 $ 2.51 $ 4.09 $ 1.85 $ 7.00 $ 16.45 $ 13.40
Diluted (in dollars per share) $ 7.44 $ (0.13) $ (0.33) $ 0.30 $ 7.91 $ 2.49 $ 4.03 $ 1.82 $ 6.88 $ 16.21 $ 13.14