v3.26.1
Loans Receivable - Summary of Performance and Credit Quality of Loan Portfolio (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current $ 1,747,645 $ 1,794,833
Total Loans Receivable 1,774,281 1,818,743
Loans receivable more than 90 days and accruing 0 0
Commercial real estate [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current 1,250,808 1,320,779
Total Loans Receivable 1,273,815 1,343,531
Loans receivable more than 90 days and accruing 0 0
Commercial and industrial [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current 75,632 75,967
Total Loans Receivable 76,570 76,557
Loans receivable more than 90 days and accruing 0 0
Construction [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current 194,188 209,483
Total Loans Receivable 194,188 209,483
Loans receivable more than 90 days and accruing 0 0
Residential first-lien mortgage [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current 176,743 163,425
Total Loans Receivable 178,954 163,813
Loans receivable more than 90 days and accruing 0 0
Home equity/consumer [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Current 50,274 25,179
Total Loans Receivable 50,754 25,359
Loans receivable more than 90 days and accruing 0 0
30 to 59 Days Past Due [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 9,697 8,088
30 to 59 Days Past Due [Member] | Commercial real estate [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 7,445 7,523
30 to 59 Days Past Due [Member] | Commercial and industrial [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 356 15
30 to 59 Days Past Due [Member] | Construction [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
30 to 59 Days Past Due [Member] | Residential first-lien mortgage [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 1,416 370
30 to 59 Days Past Due [Member] | Home equity/consumer [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 480 180
60 to 89 Days Past Due [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 619 273
60 to 89 Days Past Due [Member] | Commercial real estate [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
60 to 89 Days Past Due [Member] | Commercial and industrial [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 257 273
60 to 89 Days Past Due [Member] | Construction [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
60 to 89 Days Past Due [Member] | Residential first-lien mortgage [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 362 0
60 to 89 Days Past Due [Member] | Home equity/consumer [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
90 Days Or More Past Due [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 16,320 15,549
90 Days Or More Past Due [Member] | Commercial real estate [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 15,562 15,229
90 Days Or More Past Due [Member] | Commercial and industrial [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 325 302
90 Days Or More Past Due [Member] | Construction [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
90 Days Or More Past Due [Member] | Residential first-lien mortgage [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 433 18
90 Days Or More Past Due [Member] | Home equity/consumer [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
Past Due [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 26,636 23,910
Past Due [Member] | Commercial real estate [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 23,007 22,752
Past Due [Member] | Commercial and industrial [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 938 590
Past Due [Member] | Construction [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 0 0
Past Due [Member] | Residential first-lien mortgage [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total 2,211 388
Past Due [Member] | Home equity/consumer [Member]    
Financing Receivable Performance and Credit Quality Indicators [Line Items]    
Total $ 480 $ 180