Loans - Summary of Age Analysis of Past Due Loans Segregated by Portfolio Segment and Class of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	$ 11,406	$ 4,853
Total Loans Receivable	889,774	898,010
30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	5,382	13,936
60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,864	11,531
90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	35,710	27,561
Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	42,956	53,028
Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	846,818	844,982
Residential Mortgage Loans [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Total Loans Receivable	234,743	241,731
Residential Mortgage Loans [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,734	2,871
Residential Mortgage Loans [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	847	2,934
Residential Mortgage Loans [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,080	1,977
Residential Mortgage Loans [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	5,661	7,782
Residential Mortgage Loans [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	229,082	233,949
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Total Loans Receivable	233,501	239,692
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,734	2,871
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	847	2,934
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,080	1,977
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	5,661	7,782
Residential Mortgage Loans [Member] \| Residential 1-4 Family First Mortgages [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	227,840	231,910
Residential Mortgage Loans [Member] \| Construction [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable	1,242	2,039
Residential Mortgage Loans [Member] \| Construction [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Residential Mortgage Loans [Member] \| Construction [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Residential Mortgage Loans [Member] \| Construction [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Residential Mortgage Loans [Member] \| Construction [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Residential Mortgage Loans [Member] \| Construction [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,242	2,039
Commercial Loans [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	11,406	4,853
Total Loans Receivable	544,580	543,671
Commercial Loans [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,539	9,801
Commercial Loans [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	314	7,969
Commercial Loans [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	32,712	24,616
Commercial Loans [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	34,565	42,386
Commercial Loans [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	510,015	501,285
Commercial Loans [Member] \| Real Estate [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	11,222	4,853
Total Loans Receivable	388,154	380,311
Commercial Loans [Member] \| Real Estate [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,170	9,042
Commercial Loans [Member] \| Real Estate [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	7,461
Commercial Loans [Member] \| Real Estate [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	22,762	15,567
Commercial Loans [Member] \| Real Estate [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	23,932	32,070
Commercial Loans [Member] \| Real Estate [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	364,222	348,241
Commercial Loans [Member] \| Lines of Credit [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss		0
Total Loans Receivable	77,886	75,371
Commercial Loans [Member] \| Lines of Credit [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	155	444
Commercial Loans [Member] \| Lines of Credit [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	49	0
Commercial Loans [Member] \| Lines of Credit [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,885	1,135
Commercial Loans [Member] \| Lines of Credit [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,089	1,579
Commercial Loans [Member] \| Lines of Credit [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	75,797	73,792
Commercial Loans [Member] \| Other Commercial and Industrial [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	184	0
Total Loans Receivable	75,987	81,210
Commercial Loans [Member] \| Other Commercial and Industrial [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	214	315
Commercial Loans [Member] \| Other Commercial and Industrial [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	265	508
Commercial Loans [Member] \| Other Commercial and Industrial [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	8,065	7,914
Commercial Loans [Member] \| Other Commercial and Industrial [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	8,544	8,737
Commercial Loans [Member] \| Other Commercial and Industrial [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	67,443	72,473
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable	41	63
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Paycheck Protection Program Loans [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	41	63
Commercial Loans [Member] \| Tax Exempt Loans [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable	2,512	6,716
Commercial Loans [Member] \| Tax Exempt Loans [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Tax Exempt Loans [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Tax Exempt Loans [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Tax Exempt Loans [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Commercial Loans [Member] \| Tax Exempt Loans [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,512	6,716
Consumer Loans [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Total Loans Receivable	110,451	112,608
Consumer Loans [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,109	1,264
Consumer Loans [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	703	628
Consumer Loans [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	918	968
Consumer Loans [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	2,730	2,860
Consumer Loans [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	107,721	109,748
Consumer Loans [Member] \| Real Estate [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable		380,311
Consumer Loans [Member] \| Lines of Credit [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable		75,371
Consumer Loans [Member] \| Other Commercial and Industrial [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable		81,210
Consumer Loans [Member] \| Paycheck Protection Program Loans [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable		63
Consumer Loans [Member] \| Tax Exempt Loans [Member]
Recorded Investment, Past Due [Line Items]
Total Loans Receivable		6,716
Consumer Loans [Member] \| Home Equity and Junior Liens [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Total Loans Receivable	53,219	49,783
Consumer Loans [Member] \| Home Equity and Junior Liens [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	520	615
Consumer Loans [Member] \| Home Equity and Junior Liens [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	232	229
Consumer Loans [Member] \| Home Equity and Junior Liens [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	511	537
Consumer Loans [Member] \| Home Equity and Junior Liens [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,263	1,381
Consumer Loans [Member] \| Home Equity and Junior Liens [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	51,956	48,402
Consumer Loans [Member] \| Other Consumer [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	0	0
Total Loans Receivable	57,232	62,825
Consumer Loans [Member] \| Other Consumer [Member] \| 30-59 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	589	649
Consumer Loans [Member] \| Other Consumer [Member] \| 60-89 Days Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	471	399
Consumer Loans [Member] \| Other Consumer [Member] \| 90 Days and Over [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	407	431
Consumer Loans [Member] \| Other Consumer [Member] \| Total Past Due [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	1,467	1,479
Consumer Loans [Member] \| Other Consumer [Member] \| Current [Member]
Recorded Investment, Past Due [Line Items]
Nonaccrual loans without related allowance for credit loss	$ 55,765	$ 61,346

Loans - Summary of Age Analysis of Past Due Loans Segregated by Portfolio Segment and Class of Loans (Details) - USD ($)
$ in Thousands

Jun. 30, 2026

Dec. 31, 2025

Recorded Investment, Past Due [Line Items]

Nonaccrual loans without related allowance for credit loss

$ 11,406

$ 4,853

Total Loans Receivable

889,774

898,010

30-59 Days Past Due [Member]

Recorded Investment, Past Due [Line Items]