XML 66 R48.htm IDEA: XBRL DOCUMENT v3.24.0.1
Investment Securities - Investments by contractual maturity (Details) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Apr. 01, 2022
Schedule of Available-for-sale Securities      
Within one year, amortized cost $ 0 $ 0  
Within one year, estimated fair value 0 0  
After one year through five years, amortized cost 9,992,000 0  
After one year through five years, estimated fair value 8,954,000 0  
After five years through ten years, amortized cost 40,264,000 45,918,000  
After five years through ten years, estimated fair value 35,379,000 38,383,000  
After ten years, amortized cost 157,804,000 165,710,000  
After ten years, estimated fair value 144,843,000 145,309,000  
Debt securities, amortized cost 669,646,000 740,468,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 597,196,000 648,825,000  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value 0 0  
Within one year, estimated fair value 0 0  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five 8,463,000 132,000  
After one year through five years, estimated fair value 8,136,000 129,000  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value 74,746,000 51,424,000  
After five years through ten years, estimated fair value 68,552,000 46,143,000  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 108,861,000 140,448,000  
After ten years, estimated fair value 101,264,000 122,633,000  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss 177,952,000 168,905,000 $ 306,700,000
Investment securities not due at a single maturity date, amortized cost 302,442,000 305,107,000  
Investment securities not due at a single maturity date, estimated fair value 277,003,000 271,249,000  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost 192,070,000 192,004,000  
Debt Securities, Held-to-Maturity, Amortized Cost, Before Allowance For Credit Loss, Maturity, Without Single Maturity Date 303,493,000 305,107,000  
Available-for-sale Securities, Debt Maturities, with Single Maturity Date, Fair Value 189,176,000 183,692,000  
Available-for-sale Securities, Debt Maturities, with Single Maturity Date, Amortized Cost Basis 208,060,000 211,628,000  
External Credit Rating, Not Rated      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 24,158    
External Credit Rating, BBB/BB/B Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 30,173    
External Credit Rating, AAA/AA/A Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 238,404    
US Treasury Securities      
Schedule of Available-for-sale Securities      
Debt securities, amortized cost 9,990,000 9,990,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 8,954,000 8,707,000  
U.S. Government agencies      
Schedule of Available-for-sale Securities      
Investment securities not due at a single maturity date, amortized cost 102,000 107,000  
Investment securities not due at a single maturity date, estimated fair value 95,000 98,000  
Debt securities, amortized cost 102,000 107,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 95,000 98,000  
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations      
Schedule of Available-for-sale Securities      
Investment securities not due at a single maturity date, amortized cost 88,874,000 117,292,000  
Investment securities not due at a single maturity date, estimated fair value 83,352,000 109,493,000  
Debt securities, amortized cost 88,874,000 117,292,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 83,352,000 109,493,000  
Investment securities not due at a single maturity date, amortized cost 10,758,000 10,430,000  
Investment securities not due at a single maturity date, estimated fair value 9,066,000 8,668,000  
Private label residential mortgage and asset backed securities      
Schedule of Available-for-sale Securities      
Investment securities not due at a single maturity date, amortized cost 372,610,000 411,441,000  
Investment securities not due at a single maturity date, estimated fair value 324,573,000 355,542,000  
Debt securities, amortized cost 372,610,000 411,441,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 324,573,000 355,542,000  
Investment securities not due at a single maturity date, amortized cost 54,579,000 56,691,000  
Investment securities not due at a single maturity date, estimated fair value 48,635,000 50,760,000  
Private label residential mortgage and asset backed securities | External Credit Rating, Not Rated      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 8,245    
Private label residential mortgage and asset backed securities | External Credit Rating, BBB/BB/B Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 0    
Private label residential mortgage and asset backed securities | External Credit Rating, AAA/AA/A Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 46,334    
Corporate Debt Securities      
Schedule of Available-for-sale Securities      
Debt securities, amortized cost   0  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022   0  
Investment securities not due at a single maturity date, amortized cost 46,086,000 45,982,000  
Investment securities not due at a single maturity date, estimated fair value 41,350,000 42,916,000  
Corporate Debt Securities | External Credit Rating, Not Rated      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 15,913    
Corporate Debt Securities | External Credit Rating, BBB/BB/B Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 30,173    
Corporate Debt Securities | External Credit Rating, AAA/AA/A Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 0    
Obligations of states and political subdivisions      
Schedule of Available-for-sale Securities      
Debt securities, amortized cost 198,070,000 201,638,000  
Available-for-sale debt securities, at fair value, net of allowance for credit losses of $0, with an amortized cost of $669,646 at December 31, 2023 and $740,468 at December 31, 2022 180,222,000 174,985,000  
Investment securities not due at a single maturity date, amortized cost 192,070,000 192,004,000  
Investment securities not due at a single maturity date, estimated fair value 177,952,000 $ 168,905,000  
Obligations of states and political subdivisions | External Credit Rating, Not Rated      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 0    
Obligations of states and political subdivisions | External Credit Rating, BBB/BB/B Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss 0    
Obligations of states and political subdivisions | External Credit Rating, AAA/AA/A Rating      
Schedule of Available-for-sale Securities      
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss $ 192,070