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SECURITIES (Tables)
9 Months Ended
Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Amortized Cost and Estimated Fair Value of Securities Available for Sale
Amortized cost and estimated fair value of securities available for sale are as follows (in thousands):
 September 30, 2022
 Amortized CostUnrealized GainsUnrealized LossesEstimated Fair Value
U.S. Treasury notes and bonds$61,791 $— $6,741 $55,050 
Mortgage-backed securities, residential530,372 — 89,738 440,634 
Obligations of states and political subdivisions39,916 — 3,036 36,880 
Corporate bonds and notes25,750 — 1,513 24,237 
SBA loan pools85,337 204 1,990 83,551 
Total$743,166 $204 $103,018 $640,352 

 December 31, 2021
 Amortized CostUnrealized GainsUnrealized LossesEstimated Fair Value
U.S. Treasury notes and bonds$61,084 $27 $680 $60,431 
Mortgage-backed securities, residential582,060 4,032 8,731 577,361 
Obligations of states and political subdivisions40,299 2,004 — 42,303 
Corporate bonds and notes22,750 180 82 22,848 
SBA loan pools89,216 344 477 89,083 
Total$795,409 $6,587 $9,970 $792,026 
Schedule of Amortized Cost and Estimated Fair Value of Securities Held to Maturity
Amortized cost and estimated fair value of securities held to maturity are as follows (in thousands):
 September 30, 2022
 Amortized CostUnrecognized GainsUnrecognized LossesEstimated Fair Value
Obligations of states and political subdivisions$1,981 $— $— $1,981 
Time deposits with other financial institutions1,229 — 1,224 
Total$3,210 $— $$3,205 
 December 31, 2021
 Amortized CostUnrecognized GainsUnrecognized LossesEstimated Fair Value
Obligations of states and political subdivisions$2,157 $— $— $2,157 
Time deposits with other financial institutions1,633 — 1,639 
Total$3,790 $$— $3,796 
Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity Securities not due at a single maturity date are shown separately (in thousands):
September 30, 2022
Available for SaleHeld to Maturity
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Within one year$2,937 $2,862 $2,204 $2,199 
After one, but within five years103,872 93,767 1,006 1,006 
After five, but within ten years20,178 19,142 — — 
After ten years470 396 — — 
127,457 116,167 3,210 3,205 
Mortgage-backed securities, residential530,372 440,634 — — 
SBA loan pools85,337 83,551 — — 
Total$743,166 $640,352 $3,210 $3,205 
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value
The following tables summarize the investment securities available for sale with unrealized losses at September 30, 2022 and December 31, 2021 by aggregated major security type and length of time in a continuous unrealized loss position (in thousands):
 Less than 12 months12 months or longerTotal
September 30, 2022Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
U.S. Treasury notes and bonds$18,733 $2,155 $36,317 $4,586 $55,050 $6,741 
Mortgage-backed securities, residential137,623 17,742 303,011 71,996 440,634 89,738 
Obligations of states and political subdivisions36,685 3,036 — — 36,685 3,036 
Corporate bonds and notes9,615 1,135 4,621 378 14,236 1,513 
SBA loan pools26,290 982 38,214 1,008 64,504 1,990 
Total temporarily impaired securities$228,946 $25,050 $382,163 $77,968 $611,109 $103,018 

 Less than 12 months12 months or longerTotal
December 31, 2021Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
U.S. Treasury notes and bonds$49,084 $680 $— $— $49,084 $680 
Mortgage-backed securities, residential293,720 4,502 122,050 4,229 415,770 8,731 
Corporate bonds and notes4,928 72 1,989 10 6,917 82 
SBA loan pools51,235 296 13,769 181 65,004 477 
Total temporarily impaired securities$398,967 $5,550 $137,808 $4,420 $536,775 $9,970