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INVESTMENT SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available for Sale Securities
The amortized cost and estimated fair value of securities available-for-sale and held-to-maturity, along with gross unrealized gains and losses are summarized as follows:

(dollars in thousands)
December 31, 2022
 
Amortized
Cost
Gross
Unrealized
Gains		Gross
Unrealized
Losses
 
Fair
Value
Securities Available for Sale:    
U.S. treasury securities$1,644 $— $(22)$1,622 
U.S. agency5,035 — (450)4,585 
Asset backed securities31,468 — (1,480)29,988 
State, county and municipal securities126,119 — (21,363)104,756 
Corporate debt securities54,741 164 (5,320)49,585 
Mortgage-backed securities271,199 9 (29,191)242,017 
Total$490,206 $173 $(57,826)$432,553 
December 31, 2022 
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		 
Fair
Value
Securities Held to Maturity:
U.S. treasury securities$91,615 $— $(4,149)$87,466 
U.S. agency16,409 — (1,838)14,571 
State, county & municipal securities136,138 32 (19,518)116,652 
Mortgage-backed securities221,696 — (29,121)192,575 
Total$465,858 $32 $(54,626)$411,264 
December 31, 2021
 
Amortized
Cost
Gross
Unrealized
Gains		Gross
Unrealized
Losses
 
Fair
Value
Securities Available for Sale:    
U.S. treasury securities$88,638 $— $(1,087)$87,551 
U.S. agency17,916 5 (140)17,781 
State, county and municipal securities252,632 877 (3,356)250,153 
Corporate debt securities48,153 520 (265)48,408 
Mortgage-backed securities539,172 2,160 (7,061)534,271 
Total$946,511 $3,562 $(11,909)$938,164 
Schedule of Unrealized Loss on Investments
Information pertaining to available-for-sale securities with gross unrealized losses at December 31, 2022 and December 31, 2021 aggregated by investment category and length of time that securities have been in a continuous unrealized loss position are summarized as follows:
 Less Than 12 Months12 Months or MoreTotal
(dollars in thousands)Estimated
Fair
Value
 
Unrealized
Losses
Estimated
Fair
Value
 
Unrealized
Losses
Estimated
Fair
Value
 
Unrealized
Losses
December 31, 2022      
U.S. treasury securities$1,377 $(17)$245 $(5)$1,622 $(22)
U.S. agency3,221 (257)1,364 (193)4,585 (450)
Asset backed securities10,780 (319)19,208 (1,161)29,988 (1,480)
State, county and municipal securities29,284 (3,629)75,472 (17,734)104,756 (21,363)
Corporate debt securities17,258 (1,463)30,651 (3,857)47,909 (5,320)
Mortgage-backed securities122,031 (7,890)119,409 (21,301)241,440 (29,191)
Total debt securities$183,951 $(13,575)$246,349 $(44,251)$430,300 $(57,826)
December 31, 2021
U.S. treasury securities$87,302 $(1,087)$— $— $87,302 $(1,087)
U.S. agency10,969 (140)— — 10,969 (140)
State, county and municipal securities180,551 (3,131)5,970 (225)186,521 $(3,356)
Corporate debt securities31,977 (265)— — 31,977 (265)
Mortgage-backed securities377,413 (6,421)21,129 (640)398,542 (7,061)
Total debt securities$688,212 $(11,044)$27,099 $(865)$715,311 $(11,909)
 

Information pertaining to held-to-maturity securities with gross unrealized losses at December 31, 2022 aggregated by investment category and length of time that individual securities have been in a continuous loss position is summarized as follows:

Less Than 12 Months12 Months or GreaterTotal
(dollars in thousands)Fair
Value		Gross
Unrealized
Losses		Fair
Value		Gross
Unrealized
Losses		Fair
Value		Gross
Unrealized
Losses
December 31, 2022
U.S. Treasury$— $— $87,466 $(4,149)$87,466 $(4,149)
U.S. agency— — 14,571 (1,838)14,571 (1,838)
State, county & municipal securities9,858 (1,392)105,734 (18,126)115,592 (19,518)
Mortgage-backed securities13,580 (729)178,995 (28,392)192,575 (29,121)
$23,438 $(2,121)$386,766 $(52,505)$410,204 $(54,626)
Schedule of Investments Classified by Contractual Maturity Date This is often the case with mortgage-backed securities, which are disclosed separately in the table below.
Available for SaleHeld to Maturity
(dollars in thousands)Amortized CostFair ValueAmortized CostFair Value
Due in one year or less$1,319 $1,304 $— $— 
Due after one year through five years14,126 12,871 79,306 75,759 
Due after five years through ten years89,731 76,895 78,975 69,275 
Due after ten years113,831 99,466 85,881 73,655 
$219,007 $190,536 $244,162 $218,689 
Mortgage-backed securities271,199 242,017 221,696 192,575 
$490,206 $432,553 $465,858 $411,264