Loans, Credit Scores by Loan Class, Mortgage and Installment Segments, Current Period (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Summary of Credit Scores by Loan Class [Abstract]
Total loans	$ 2,883,978
Accrued interest excluded from total	7,028
Mortgage [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	307,777	[1]
2020	267,821	[1]
2019	117,967	[1]
2018	55,758	[1]
2017	81,472	[1]
Prior	172,591	[1]
Revolving loans amortized, Cost basis	97,606	[1]
Total loans	1,100,992	[1]
Accrued interest, 2021	685	[1]
Accrued interest, 2020	607	[1]
Accrued interest, 2019	344	[1]
Accrued interest, 2018	251	[1]
Accrued interest, 2017	243	[1]
Accrued interest, Prior	554	[1]
Accrued interest, Revolving	314	[1]
Accrued interest excluded from total	2,998	[1]
Mortgage [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	40,366	[1]
2020	40,866	[1]
2019	16,537	[1]
2018	7,049	[1]
2017	8,996	[1]
Prior	20,256	[1]
Revolving loans amortized, Cost basis	16,774	[1]
Total loans	150,844	[1]
Mortgage [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	177,672	[1]
2020	148,586	[1]
2019	59,310	[1]
2018	23,698	[1]
2017	33,532	[1]
Prior	47,988	[1]
Revolving loans amortized, Cost basis	46,563	[1]
Total loans	537,349	[1]
Mortgage [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	70,186	[1]
2020	51,299	[1]
2019	21,916	[1]
2018	12,426	[1]
2017	19,360	[1]
Prior	45,938	[1]
Revolving loans amortized, Cost basis	22,383	[1]
Total loans	243,508	[1]
Mortgage [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	18,761	[1]
2020	21,090	[1]
2019	14,030	[1]
2018	8,085	[1]
2017	11,285	[1]
Prior	26,064	[1]
Revolving loans amortized, Cost basis	9,305	[1]
Total loans	108,620	[1]
Mortgage [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	792	[1]
2020	3,628	[1]
2019	4,421	[1]
2018	1,898	[1]
2017	4,832	[1]
Prior	16,005	[1]
Revolving loans amortized, Cost basis	1,262	[1]
Total loans	32,838	[1]
Mortgage [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	1,946	[1]
2019	242	[1]
2018	2,014	[1]
2017	1,108	[1]
Prior	9,628	[1]
Revolving loans amortized, Cost basis	904	[1]
Total loans	15,842	[1]
Mortgage [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	1,117	[1]
2018	551	[1]
2017	1,958	[1]
Prior	5,239	[1]
Revolving loans amortized, Cost basis	275	[1]
Total loans	9,140	[1]
Mortgage [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	406	[1]
2019	394	[1]
2018	37	[1]
2017	401	[1]
Prior	1,473	[1]
Revolving loans amortized, Cost basis	140	[1]
Total loans	2,851	[1]
Mortgage [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	217,115	[1]
2020	173,566	[1]
2019	70,512	[1]
2018	24,157	[1]
2017	36,619	[1]
Prior	12,694	[1]
Revolving loans amortized, Cost basis	2,648	[1]
Total loans	537,311	[1]
Accrued interest, 2021	403	[1]
Accrued interest, 2020	382	[1]
Accrued interest, 2019	187	[1]
Accrued interest, 2018	129	[1]
Accrued interest, 2017	94	[1]
Accrued interest, Prior	35	[1]
Accrued interest, Revolving	3	[1]
Accrued interest excluded from total	1,233	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	25,061	[1]
2020	29,107	[1]
2019	8,113	[1]
2018	2,998	[1]
2017	1,495	[1]
Prior	1,007	[1]
Revolving loans amortized, Cost basis	889	[1]
Total loans	68,670	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	132,430	[1]
2020	96,341	[1]
2019	38,487	[1]
2018	10,581	[1]
2017	14,111	[1]
Prior	3,105	[1]
Revolving loans amortized, Cost basis	1,759	[1]
Total loans	296,814	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	52,125	[1]
2020	30,359	[1]
2019	12,369	[1]
2018	5,303	[1]
2017	10,793	[1]
Prior	5,331	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	116,280	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	7,499	[1]
2020	14,416	[1]
2019	8,275	[1]
2018	4,822	[1]
2017	7,529	[1]
Prior	1,571	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	44,112	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	1,455	[1]
2019	2,794	[1]
2018	0	[1]
2017	1,531	[1]
Prior	1,680	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	7,460	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	1,888	[1]
2019	0	[1]
2018	0	[1]
2017	553	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	2,441	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	474	[1]
2018	453	[1]
2017	607	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	1,534	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Jumbo [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	31,066	[1]
2020	51,136	[1]
2019	26,642	[1]
2018	19,379	[1]
2017	27,825	[1]
Prior	71,817	[1]
Revolving loans amortized, Cost basis	21,355	[1]
Total loans	249,220	[1]
Accrued interest, 2021	170	[1]
Accrued interest, 2020	114	[1]
Accrued interest, 2019	94	[1]
Accrued interest, 2018	68	[1]
Accrued interest, 2017	98	[1]
Accrued interest, Prior	224	[1]
Accrued interest, Revolving	53	[1]
Accrued interest excluded from total	821	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	5,982	[1]
2020	6,711	[1]
2019	5,233	[1]
2018	2,363	[1]
2017	3,612	[1]
Prior	4,779	[1]
Revolving loans amortized, Cost basis	4,361	[1]
Total loans	33,041	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	10,337	[1]
2020	24,756	[1]
2019	7,702	[1]
2018	7,679	[1]
2017	11,391	[1]
Prior	11,561	[1]
Revolving loans amortized, Cost basis	10,960	[1]
Total loans	84,386	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	5,144	[1]
2020	11,704	[1]
2019	7,323	[1]
2018	3,393	[1]
2017	5,060	[1]
Prior	22,497	[1]
Revolving loans amortized, Cost basis	3,674	[1]
Total loans	58,795	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	8,811	[1]
2020	5,551	[1]
2019	4,045	[1]
2018	2,405	[1]
2017	2,572	[1]
Prior	11,585	[1]
Revolving loans amortized, Cost basis	2,038	[1]
Total loans	37,007	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	792	[1]
2020	2,008	[1]
2019	1,587	[1]
2018	1,779	[1]
2017	3,059	[1]
Prior	9,433	[1]
Revolving loans amortized, Cost basis	115	[1]
Total loans	18,773	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	76	[1]
2018	1,628	[1]
2017	494	[1]
Prior	6,814	[1]
Revolving loans amortized, Cost basis	189	[1]
Total loans	9,201	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	410	[1]
2018	98	[1]
2017	1,297	[1]
Prior	3,983	[1]
Revolving loans amortized, Cost basis	18	[1]
Total loans	5,806	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	406	[1]
2019	266	[1]
2018	34	[1]
2017	340	[1]
Prior	1,165	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	2,211	[1]
Mortgage [Member] | 1-4 Family Owner Occupied - Non-jumbo [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	55,255	[1]
2020	36,279	[1]
2019	17,514	[1]
2018	8,265	[1]
2017	11,949	[1]
Prior	33,739	[1]
Revolving loans amortized, Cost basis	13,795	[1]
Total loans	176,796	[1]
Accrued interest, 2021	105	[1]
Accrued interest, 2020	96	[1]
Accrued interest, 2019	52	[1]
Accrued interest, 2018	41	[1]
Accrued interest, 2017	36	[1]
Accrued interest, Prior	116	[1]
Accrued interest, Revolving	49	[1]
Accrued interest excluded from total	495	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	8,917	[1]
2020	3,995	[1]
2019	2,804	[1]
2018	1,135	[1]
2017	3,625	[1]
Prior	5,865	[1]
Revolving loans amortized, Cost basis	2,271	[1]
Total loans	28,612	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	32,412	[1]
2020	23,479	[1]
2019	11,789	[1]
2018	3,533	[1]
2017	5,563	[1]
Prior	10,902	[1]
Revolving loans amortized, Cost basis	6,963	[1]
Total loans	94,641	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	12,243	[1]
2020	7,895	[1]
2019	1,539	[1]
2018	2,748	[1]
2017	2,150	[1]
Prior	6,683	[1]
Revolving loans amortized, Cost basis	3,356	[1]
Total loans	36,614	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	1,683	[1]
2020	852	[1]
2019	1,257	[1]
2018	580	[1]
2017	442	[1]
Prior	5,840	[1]
Revolving loans amortized, Cost basis	1,048	[1]
Total loans	11,702	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	40	[1]
2018	21	[1]
2017	141	[1]
Prior	2,103	[1]
Revolving loans amortized, Cost basis	29	[1]
Total loans	2,334	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	58	[1]
2019	85	[1]
2018	248	[1]
2017	28	[1]
Prior	1,409	[1]
Revolving loans amortized, Cost basis	128	[1]
Total loans	1,956	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	633	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	633	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	304	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	304	[1]
Mortgage [Member] | 1-4 Non-owner Occupied [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	2,914	[1]
2020	5,402	[1]
2019	3,043	[1]
2018	2,863	[1]
2017	4,735	[1]
Prior	8,929	[1]
Revolving loans amortized, Cost basis	59,808	[1]
Total loans	87,694	[1]
Accrued interest, 2021	5	[1]
Accrued interest, 2020	11	[1]
Accrued interest, 2019	10	[1]
Accrued interest, 2018	10	[1]
Accrued interest, 2017	14	[1]
Accrued interest, Prior	38	[1]
Accrued interest, Revolving	209	[1]
Accrued interest excluded from total	297	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	305	[1]
2020	343	[1]
2019	198	[1]
2018	278	[1]
2017	264	[1]
Prior	309	[1]
Revolving loans amortized, Cost basis	9,253	[1]
Total loans	10,950	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	1,921	[1]
2020	3,401	[1]
2019	1,265	[1]
2018	1,460	[1]
2017	2,190	[1]
Prior	2,530	[1]
Revolving loans amortized, Cost basis	26,881	[1]
Total loans	39,648	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	674	[1]
2020	1,222	[1]
2019	685	[1]
2018	608	[1]
2017	1,290	[1]
Prior	1,910	[1]
Revolving loans amortized, Cost basis	15,353	[1]
Total loans	21,742	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	14	[1]
2020	271	[1]
2019	453	[1]
2018	278	[1]
2017	742	[1]
Prior	1,668	[1]
Revolving loans amortized, Cost basis	6,219	[1]
Total loans	9,645	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	165	[1]
2019	0	[1]
2018	98	[1]
2017	101	[1]
Prior	1,286	[1]
Revolving loans amortized, Cost basis	1,118	[1]
Total loans	2,768	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	81	[1]
2018	138	[1]
2017	33	[1]
Prior	887	[1]
Revolving loans amortized, Cost basis	587	[1]
Total loans	1,726	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	233	[1]
2018	0	[1]
2017	54	[1]
Prior	335	[1]
Revolving loans amortized, Cost basis	257	[1]
Total loans	879	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	128	[1]
2018	3	[1]
2017	61	[1]
Prior	4	[1]
Revolving loans amortized, Cost basis	140	[1]
Total loans	336	[1]
Mortgage [Member] | 1-4 Family - 2nd Lien [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | Resort Lending [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	1,427	[1]
2020	1,438	[1]
2019	256	[1]
2018	1,094	[1]
2017	344	[1]
Prior	45,412	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	49,971	[1]
Accrued interest, 2021	2	[1]
Accrued interest, 2020	4	[1]
Accrued interest, 2019	1	[1]
Accrued interest, 2018	3	[1]
Accrued interest, 2017	1	[1]
Accrued interest, Prior	141	[1]
Accrued interest, Revolving	0	[1]
Accrued interest excluded from total	152	[1]
Mortgage [Member] | Resort Lending [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	101	[1]
2020	710	[1]
2019	189	[1]
2018	275	[1]
2017	0	[1]
Prior	8,296	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	9,571	[1]
Mortgage [Member] | Resort Lending [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	572	[1]
2020	609	[1]
2019	67	[1]
2018	445	[1]
2017	277	[1]
Prior	19,890	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	21,860	[1]
Mortgage [Member] | Resort Lending [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	119	[1]
2019	0	[1]
2018	374	[1]
2017	67	[1]
Prior	9,517	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	10,077	[1]
Mortgage [Member] | Resort Lending [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	754	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	5,400	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	6,154	[1]
Mortgage [Member] | Resort Lending [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	1,503	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	1,503	[1]
Mortgage [Member] | Resort Lending [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	518	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	518	[1]
Mortgage [Member] | Resort Lending [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	288	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	288	[1]
Mortgage [Member] | Resort Lending [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Mortgage [Member] | Resort Lending [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Revolving loans amortized, Cost basis	0	[1]
Total loans	0	[1]
Installment [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	217,322	[1]
2020	108,895	[1]
2019	88,275	[1]
2018	62,521	[1]
2017	35,255	[1]
Prior	47,916	[1]
Total loans	560,184	[1]
Accrued interest, 2021	453	[1]
Accrued interest, 2020	258	[1]
Accrued interest, 2019	240	[1]
Accrued interest, 2018	162	[1]
Accrued interest, 2017	93	[1]
Accrued interest, Prior	125	[1]
Accrued interest excluded from total	1,331	[1]
Installment [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	28,397	[1]
2020	11,507	[1]
2019	13,772	[1]
2018	11,607	[1]
2017	6,473	[1]
Prior	9,546	[1]
Total loans	81,302	[1]
Installment [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	111,220	[1]
2020	61,663	[1]
2019	48,411	[1]
2018	34,113	[1]
2017	19,169	[1]
Prior	23,008	[1]
Total loans	297,584	[1]
Installment [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	54,034	[1]
2020	27,266	[1]
2019	18,931	[1]
2018	12,078	[1]
2017	6,289	[1]
Prior	8,901	[1]
Total loans	127,499	[1]
Installment [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	22,083	[1]
2020	7,461	[1]
2019	5,578	[1]
2018	3,041	[1]
2017	2,203	[1]
Prior	4,301	[1]
Total loans	44,667	[1]
Installment [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	696	[1]
2020	761	[1]
2019	1,185	[1]
2018	974	[1]
2017	587	[1]
Prior	1,210	[1]
Total loans	5,413	[1]
Installment [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	1	[1]
2020	173	[1]
2019	258	[1]
2018	396	[1]
2017	220	[1]
Prior	649	[1]
Total loans	1,697	[1]
Installment [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	64	[1]
2019	76	[1]
2018	291	[1]
2017	279	[1]
Prior	263	[1]
Total loans	973	[1]
Installment [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	64	[1]
2018	21	[1]
2017	35	[1]
Prior	38	[1]
Total loans	158	[1]
Installment [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	891	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Total loans	891	[1]
Installment [Member] | Boat Lending [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	72,854	[1]
2020	44,719	[1]
2019	40,083	[1]
2018	30,669	[1]
2017	19,021	[1]
Prior	24,200	[1]
Total loans	231,546	[1]
Accrued interest, 2021	151	[1]
Accrued interest, 2020	108	[1]
Accrued interest, 2019	111	[1]
Accrued interest, 2018	79	[1]
Accrued interest, 2017	50	[1]
Accrued interest, Prior	54	[1]
Accrued interest excluded from total	553	[1]
Installment [Member] | Boat Lending [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	10,987	[1]
2020	5,319	[1]
2019	6,684	[1]
2018	5,542	[1]
2017	3,385	[1]
Prior	4,879	[1]
Total loans	36,796	[1]
Installment [Member] | Boat Lending [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	43,158	[1]
2020	26,970	[1]
2019	22,603	[1]
2018	18,139	[1]
2017	10,682	[1]
Prior	12,324	[1]
Total loans	133,876	[1]
Installment [Member] | Boat Lending [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	16,626	[1]
2020	10,219	[1]
2019	8,701	[1]
2018	5,272	[1]
2017	3,406	[1]
Prior	4,362	[1]
Total loans	48,586	[1]
Installment [Member] | Boat Lending [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	2,025	[1]
2020	2,075	[1]
2019	1,705	[1]
2018	1,301	[1]
2017	1,064	[1]
Prior	1,798	[1]
Total loans	9,968	[1]
Installment [Member] | Boat Lending [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	58	[1]
2020	121	[1]
2019	311	[1]
2018	221	[1]
2017	196	[1]
Prior	417	[1]
Total loans	1,324	[1]
Installment [Member] | Boat Lending [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	15	[1]
2019	48	[1]
2018	171	[1]
2017	74	[1]
Prior	328	[1]
Total loans	636	[1]
Installment [Member] | Boat Lending [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	31	[1]
2018	3	[1]
2017	206	[1]
Prior	92	[1]
Total loans	332	[1]
Installment [Member] | Boat Lending [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	20	[1]
2017	8	[1]
Prior	0	[1]
Total loans	28	[1]
Installment [Member] | Boat Lending [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Total loans	0	[1]
Installment [Member] | Recreational Vehicle Lending [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	102,031	[1]
2020	43,731	[1]
2019	33,695	[1]
2018	23,768	[1]
2017	11,186	[1]
Prior	15,340	[1]
Total loans	229,751	[1]
Accrued interest, 2021	235	[1]
Accrued interest, 2020	106	[1]
Accrued interest, 2019	86	[1]
Accrued interest, 2018	60	[1]
Accrued interest, 2017	30	[1]
Accrued interest, Prior	32	[1]
Accrued interest excluded from total	549	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	14,475	[1]
2020	4,532	[1]
2019	5,344	[1]
2018	4,957	[1]
2017	2,644	[1]
Prior	3,786	[1]
Total loans	35,738	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	56,744	[1]
2020	24,800	[1]
2019	19,363	[1]
2018	12,607	[1]
2017	6,152	[1]
Prior	7,545	[1]
Total loans	127,211	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	28,114	[1]
2020	10,949	[1]
2019	6,054	[1]
2018	4,543	[1]
2017	1,707	[1]
Prior	2,481	[1]
Total loans	53,848	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	2,659	[1]
2020	3,035	[1]
2019	2,304	[1]
2018	997	[1]
2017	437	[1]
Prior	1,071	[1]
Total loans	10,503	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	39	[1]
2020	297	[1]
2019	455	[1]
2018	400	[1]
2017	160	[1]
Prior	206	[1]
Total loans	1,557	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	86	[1]
2019	154	[1]
2018	106	[1]
2017	64	[1]
Prior	162	[1]
Total loans	572	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	32	[1]
2019	0	[1]
2018	158	[1]
2017	12	[1]
Prior	80	[1]
Total loans	282	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	21	[1]
2018	0	[1]
2017	10	[1]
Prior	9	[1]
Total loans	40	[1]
Installment [Member] | Recreational Vehicle Lending [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Total loans	0	[1]
Installment [Member] | Other [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	42,437	[1]
2020	20,445	[1]
2019	14,497	[1]
2018	8,084	[1]
2017	5,048	[1]
Prior	8,376	[1]
Total loans	98,887	[1]
Accrued interest, 2021	67	[1]
Accrued interest, 2020	44	[1]
Accrued interest, 2019	43	[1]
Accrued interest, 2018	23	[1]
Accrued interest, 2017	13	[1]
Accrued interest, Prior	39	[1]
Accrued interest excluded from total	229	[1]
Installment [Member] | Other [Member] | 800 and Above [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	2,935	[1]
2020	1,656	[1]
2019	1,744	[1]
2018	1,108	[1]
2017	444	[1]
Prior	881	[1]
Total loans	8,768	[1]
Installment [Member] | Other [Member] | 750 to 799 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	11,318	[1]
2020	9,893	[1]
2019	6,445	[1]
2018	3,367	[1]
2017	2,335	[1]
Prior	3,139	[1]
Total loans	36,497	[1]
Installment [Member] | Other [Member] | 700 to 749 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	9,294	[1]
2020	6,098	[1]
2019	4,176	[1]
2018	2,263	[1]
2017	1,176	[1]
Prior	2,058	[1]
Total loans	25,065	[1]
Installment [Member] | Other [Member] | 650 to 699 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	17,399	[1]
2020	2,351	[1]
2019	1,569	[1]
2018	743	[1]
2017	702	[1]
Prior	1,432	[1]
Total loans	24,196	[1]
Installment [Member] | Other [Member] | 600 to 649 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	599	[1]
2020	343	[1]
2019	419	[1]
2018	353	[1]
2017	231	[1]
Prior	587	[1]
Total loans	2,532	[1]
Installment [Member] | Other [Member] | 550 to 599 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	1	[1]
2020	72	[1]
2019	56	[1]
2018	119	[1]
2017	82	[1]
Prior	159	[1]
Total loans	489	[1]
Installment [Member] | Other [Member] | 500 to 549 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	32	[1]
2019	45	[1]
2018	130	[1]
2017	61	[1]
Prior	91	[1]
Total loans	359	[1]
Installment [Member] | Other [Member] | Under 500 [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	0	[1]
2020	0	[1]
2019	43	[1]
2018	1	[1]
2017	17	[1]
Prior	29	[1]
Total loans	90	[1]
Installment [Member] | Other [Member] | Unknown [Member]
Summary of Credit Scores by Loan Class [Abstract]
2021	891	[1]
2020	0	[1]
2019	0	[1]
2018	0	[1]
2017	0	[1]
Prior	0	[1]
Total loans	$ 891	[1]

[1] Credit scores have been updated within the last twelve months.