Allowance for Credit Losses - By Credit Rating and Year of Origination (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Term Loans Amortized Cost Basis by Origination Year
Loans, gross	$ 2,008,223	$ 1,920,398
Consumer finance
Term Loans Amortized Cost Basis by Origination Year
2025/2024	120,161	147,822
2024/2023	116,343	108,397
2023/2022	81,926	124,597
2022/2021	89,826	56,176
2021/2020	37,261	19,700
Prior	17,727	10,101
Loans, gross	463,244	466,793
Consumer finance \| Very good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	18,222	30,285
2024/2023	23,224	16,322
2023/2022	12,336	20,641
2022/2021	16,468	10,362
2021/2020	8,073	8,353
Prior	9,566	3,831
Loans, gross	87,889	89,794
Consumer finance \| Good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	37,449	44,811
2024/2023	35,461	32,156
2023/2022	24,622	36,287
2022/2021	26,152	10,728
2021/2020	6,978	2,752
Prior	2,282	959
Loans, gross	132,944	127,693
Consumer finance \| Fairly good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	37,269	41,881
2024/2023	32,726	34,258
2023/2022	25,551	37,669
2022/2021	26,800	16,970
2021/2020	10,804	3,240
Prior	1,987	1,636
Loans, gross	135,137	135,654
Consumer finance \| Fair
Term Loans Amortized Cost Basis by Origination Year
2025/2024	22,281	25,796
2024/2023	20,802	21,278
2023/2022	16,153	24,379
2022/2021	16,726	13,260
2021/2020	8,353	3,674
Prior	2,513	2,194
Loans, gross	86,828	90,581
Consumer finance \| Marginal
Term Loans Amortized Cost Basis by Origination Year
2025/2024	4,940	5,049
2024/2023	4,130	4,383
2023/2022	3,264	5,621
2022/2021	3,680	4,856
2021/2020	3,053	1,681
Prior	1,379	1,481
Loans, gross	20,446	23,071
Consumer finance \| Automobiles
Term Loans Amortized Cost Basis by Origination Year
2025/2024	117,250	135,183
2024/2023	105,696	95,488
2023/2022	70,872	104,912
2022/2021	72,536	46,812
2021/2020	29,414	10,568
Prior	6,767	5,688
Loans, gross	402,535	398,651
Consumer finance \| Automobiles \| Very good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	16,854	22,161
2024/2023	16,592	10,039
2023/2022	7,107	7,971
2022/2021	5,234	2,359
2021/2020	1,371	426
Prior	171	77
Loans, gross	47,329	43,033
Consumer finance \| Automobiles \| Good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	35,906	40,296
2024/2023	31,446	25,730
2023/2022	18,967	29,455
2022/2021	20,272	9,402
2021/2020	5,866	1,574
Prior	757	334
Loans, gross	113,214	106,791
Consumer finance \| Automobiles \| Fairly good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	37,269	41,881
2024/2023	32,726	34,058
2023/2022	25,381	37,486
2022/2021	26,624	16,935
2021/2020	10,771	3,213
Prior	1,947	1,602
Loans, gross	134,718	135,175
Consumer finance \| Automobiles \| Fair
Term Loans Amortized Cost Basis by Origination Year
2025/2024	22,281	25,796
2024/2023	20,802	21,278
2023/2022	16,153	24,379
2022/2021	16,726	13,260
2021/2020	8,353	3,674
Prior	2,513	2,194
Loans, gross	86,828	90,581
Consumer finance \| Automobiles \| Marginal
Term Loans Amortized Cost Basis by Origination Year
2025/2024	4,940	5,049
2024/2023	4,130	4,383
2023/2022	3,264	5,621
2022/2021	3,680	4,856
2021/2020	3,053	1,681
Prior	1,379	1,481
Loans, gross	20,446	23,071
Consumer finance \| Marine and recreational vehicles
Term Loans Amortized Cost Basis by Origination Year
2025/2024	2,911	12,639
2024/2023	10,647	12,909
2023/2022	11,054	19,685
2022/2021	17,290	9,364
2021/2020	7,847	9,132
Prior	10,960	4,413
Loans, gross	60,709	68,142
Consumer finance \| Marine and recreational vehicles \| Very good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	1,368	8,124
2024/2023	6,632	6,283
2023/2022	5,229	12,670
2022/2021	11,234	8,003
2021/2020	6,702	7,927
Prior	9,395	3,754
Loans, gross	40,560	46,761
Consumer finance \| Marine and recreational vehicles \| Good
Term Loans Amortized Cost Basis by Origination Year
2025/2024	1,543	4,515
2024/2023	4,015	6,426
2023/2022	5,655	6,832
2022/2021	5,880	1,326
2021/2020	1,112	1,178
Prior	1,525	625
Loans, gross	19,730	20,902
Consumer finance \| Marine and recreational vehicles \| Fairly good
Term Loans Amortized Cost Basis by Origination Year
2024/2023		200
2023/2022	170	183
2022/2021	176	35
2021/2020	33	27
Prior	40	34
Loans, gross	$ 419	$ 479

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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