v3.26.1
Investment Securities and Other Investments - Summary of Amortized Cost and Fair Values of Investment Securities Available for Sale (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]    
Securities available for sale, at fair value $ 317,016 $ 332,928 [1]
Investment securities, Amortized Cost 358,280 373,178
Investment securities, Gross Unrealized Gains 248 418
Investment securities, Gross Unrealized Losses (41,512) (40,668)
Investment securities, Fair Value 317,016 332,928
Mortgage Backed Securities [Member]    
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]    
Available for sale, Amortized Cost 206,378 212,436
Available for sale, Gross Unrealized Gains 51 314
Available for sale, Gross Unrealized Losses (28,629) (27,663)
Securities available for sale, at fair value 177,800 185,087
U.S. Treasury and Agencies [Member]    
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]    
Available for sale, Amortized Cost 75,877 78,828
Available for sale, Gross Unrealized Gains 0 0
Available for sale, Gross Unrealized Losses (6,476) (6,290)
Securities available for sale, at fair value 69,401 72,538
State and Municipal [Member]    
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]    
Available for sale, Amortized Cost 47,870 49,212
Available for sale, Gross Unrealized Gains 0 2
Available for sale, Gross Unrealized Losses (4,959) (4,730)
Securities available for sale, at fair value 42,911 44,484
Corporate Bonds [Member]    
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]    
Available for sale, Amortized Cost 28,155 32,702
Available for sale, Gross Unrealized Gains 197 102
Available for sale, Gross Unrealized Losses (1,448) (1,985)
Securities available for sale, at fair value $ 26,904 $ 30,819
[1] Derived from audited December 31, 2025 Consolidated Financial Statements.