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SECURITIES (Tables)
 6 Months Ended
Jun. 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):
 June 30, 2022
 Amortized CostUnrealized GainsUnrealized LossesEstimated Fair Value
U.S. Treasury notes and bonds$60,988 $— $4,684 $56,304 
Mortgage-backed securities, residential545,524 16 62,264 483,276 
Obligations of states and political subdivisions39,948 10 992 38,966 
Corporate bonds and notes25,750 — 817 24,933 
SBA loan pools90,333 293 1,110 89,516 
Total$762,543 $319 $69,867 $692,995 

 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):
 June 30, 2022
 Amortized CostUnrecognized GainsUnrecognized LossesEstimated Fair Value
Obligations of states and political subdivisions$1,981 $— $— $1,981 
Time deposits with other financial institutions962 — 5 957 
Total$2,943 $— $5 $2,938 

 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 6 — 1,639 
Total$3,790 $6 $— $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):
June 30, 2022
Available for SaleHeld to Maturity
Amortized
Cost		Fair
Value		Amortized
Cost		Fair
Value
Within one year$1,963 $1,952 $2,672 $2,667 
After one, but within five years104,071 98,146 271 271 
After five, but within ten years20,183 19,673 — — 
After ten years469 432 — — 
126,686 120,203 2,943 2,938 
Mortgage-backed securities, residential545,524 483,276 — — 
SBA loan pools90,333 89,516 — — 
Total$762,543 $692,995 $2,943 $2,938 
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value
The following tables summarize the investment securities available for sale with unrealized losses at June 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
June 30, 2022Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
U.S. Treasury notes and bonds$56,304 $4,684 $— $— $56,304 $4,684 
Mortgage-backed securities, residential269,606 26,223 211,168 36,041 480,774 62,264 
Obligations of states and political subdivisions35,130 992 — — 35,130 992 
Corporate bonds and notes12,944 806 1,989 11 14,933 817 
SBA loan pools40,324 914 29,257 196 69,581 1,110 
Total temporarily impaired securities$414,308 $33,619 $242,414 $36,248 $656,722 $69,867 

 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