v3.26.1
Other Comprehensive Income (Loss) - Summary of Changes in Component of AOCI (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance $ 62,610 $ 61,226 $ 63,547 $ 62,050
Other comprehensive income (loss) 714 105 (1) 180
Ending Balance 63,810 60,801 63,810 60,801
Net Unrealized Losses on AFS Securities [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (5,540) (6,923) (4,809) (7,013)
Other comprehensive income (loss) before reclassification 656 1 (159) (23)
Amounts reclassified from AOCI 45 98 129 212
Other comprehensive income (loss) 701 99 (30) 189
Ending Balance (4,839) (6,824) (4,839) (6,824)
Net Unrealized Losses on Cash Flow Hedges [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (14) (46) (30) (31)
Other comprehensive income (loss) before reclassification   6 4 (9)
Amounts reclassified from AOCI 13   25  
Other comprehensive income (loss) 13 6 29 (9)
Ending Balance (1) (40) (1) (40)
Accumulated Other Comprehensive Loss [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (5,554) (6,969) (4,839) (7,044)
Other comprehensive income (loss) before reclassification 656 7 (155) (32)
Amounts reclassified from AOCI 58 98 154 212
Other comprehensive income (loss) 714 105 (1) 180
Ending Balance $ (4,840) $ (6,864) $ (4,840) $ (6,864)