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Investment Securities - Schedule of Held-to-Maturity Amortized Cost and Fair Value (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost $ 811,751,000 $ 879,199,000
Allowance for Credit Losses 0 0
Net Carrying Amount 811,751,000 879,199,000
Gross unrealized gains 103,000 0
Gross unrealized losses (87,047,000) (115,664,000)
Fair Value 724,807,000 763,535,000
Accrued interest 2,200,000 3,400,000
CMBS issued by FHLMC, FNMA and GNMA    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 237,757,000 242,559,000
Allowance for Credit Losses 0 0
Net Carrying Amount 237,757,000 242,559,000
Gross unrealized gains 0 0
Gross unrealized losses (26,472,000) (34,449,000)
Fair Value 211,285,000 208,110,000
CMOs issued by FHLMC, FNMA and GNMA    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 194,734,000 209,748,000
Allowance for Credit Losses 0 0
Net Carrying Amount 194,734,000 209,748,000
Gross unrealized gains 91,000 0
Gross unrealized losses (12,490,000) (18,492,000)
Fair Value 182,335,000 191,256,000
MBS pass-through securities issued by FHLMC, FNMA and GNMA    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 180,148,000 192,388,000
Allowance for Credit Losses 0 0
Net Carrying Amount 180,148,000 192,388,000
Gross unrealized gains 0 0
Gross unrealized losses (23,771,000) (30,942,000)
Fair Value 156,377,000 161,446,000
SBA-backed securities    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 1,252,000 1,513,000
Allowance for Credit Losses 0 0
Net Carrying Amount 1,252,000 1,513,000
Gross unrealized gains 0 0
Gross unrealized losses (28,000) (61,000)
Fair Value 1,224,000 1,452,000
Debentures of government- sponsored agencies    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 121,656,000 141,431,000
Allowance for Credit Losses 0 0
Net Carrying Amount 121,656,000 141,431,000
Gross unrealized gains 0 0
Gross unrealized losses (17,028,000) (22,694,000)
Fair Value 104,628,000 118,737,000
Obligations of state and political subdivisions    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 61,204,000 61,560,000
Allowance for Credit Losses 0 0
Net Carrying Amount 61,204,000 61,560,000
Gross unrealized gains 12,000 0
Gross unrealized losses (6,973,000) (8,341,000)
Fair Value 54,243,000 53,219,000
Corporate bonds    
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]    
Amortized cost 15,000,000 30,000,000
Allowance for Credit Losses 0 0
Net Carrying Amount 15,000,000 30,000,000
Gross unrealized gains 0 0
Gross unrealized losses (285,000) (685,000)
Fair Value $ 14,715,000 $ 29,315,000