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Securities (Tables)
12 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Fair Value of Securities
The fair value of securities is as follows:
December 31, 2024
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Available for sale
U.S. Treasury and federal agencies$2,258 — $(457)$1,801 
State and municipal243,521 — (41,687)201,834 
U.S. government agency mortgage-backed securities17,984 — (3,441)14,543 
Private labeled mortgage–backed pools— — — — 
Corporate notes18,259 — (2,760)15,499 
Total available for sale investment securities$282,022 $— $(48,345)$233,677 
December 31, 2024
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Held to maturity
U.S. Treasury and federal agencies$278,383 $— $(39,253)$239,130 
State and municipal1,048,862 958 (183,114)$866,706 
U.S. government agency mortgage-backed securities349,726 — (54,904)294,822 
Private labeled mortgage–backed pools29,278 — (3,958)$25,320 
Corporate notes161,599 — (21,309)$140,290 
Total held to maturity investment securities$1,867,848 $958 $(302,538)$1,566,268 
Less: Allowance for credit losses(158)
Held to maturity securities, net of allowance for credit losses$1,867,690 
December 31, 2023
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Available for sale
U.S. Treasury and federal agencies$72,938 $— $(8,561)$64,377 
State and municipal353,299 — (49,269)304,030 
U.S. government agency mortgage-backed securities165,061 — (24,184)140,877 
Corporate notes43,317 455 (5,805)37,967 
Total available for sale investment securities$634,615 $455 $(87,819)$547,251 

December 31, 2023
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair
Value
Held to maturity
U.S. Treasury and federal agencies$287,259 $— $(41,299)$245,960 
State and municipal1,088,499 1,185 (150,323)939,361 
U.S. government agency mortgage-backed securities374,974 — (56,467)318,507 
Private labeled mortgage–backed pools32,329 — (4,595)27,734 
Corporate notes162,734 — (25,538)137,196 
Total held to maturity investment securities$1,945,795 $1,185 $(278,222)$1,668,758 
Less: Allowance for credit losses(157)
Held to maturity securities, net of allowance for credit losses$1,945,638 
Schedule of Amortized Cost and Fair Value of Securities Available for Sale and Held to Maturity
December 31, 2024December 31, 2023
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Available for sale
Within one year$— $— $5,505 $5,408 
One to five years— — 100,301 89,650 
Five to ten years173,533 141,915 167,764 141,203 
After ten years90,505 77,219 195,984 170,113 
264,038 219,134 469,554 406,374 
U.S. government agency mortgage-backed securities17,984 14,543 165,061 140,877 
Total available for sale investment securities$282,022 $233,677 $634,615 $547,251 
Held to maturity
Within one year$59,129 $58,304 $33,483 $33,169 
One to five years298,362 278,007 225,957 216,354 
Five to ten years366,493 312,748 350,843 304,067 
After ten years764,860 597,067 928,209 768,927 
1,488,844 1,246,126 1,538,492 1,322,517 
U.S. government agency mortgage-backed securities349,726 294,822 374,974 318,507 
Private labeled mortgage–backed pools29,278 25,320 32,329 27,734 
Total held to maturity investment securities$1,867,848 $1,566,268 $1,945,795 $1,668,758 
Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value
The following tables show the gross unrealized losses and the fair value of the Company’s available for sale investments, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position.
December 31, 2024
Less than 12 Months12 Months or MoreTotal
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Available for Sale Investment Securities
U.S. Treasury and federal agencies$— $— $1,801 $(457)$1,801 $(457)
State and municipal— — 201,834 (41,687)201,834 (41,687)
U.S. government agency mortgage-backed securities— — 14,543 (3,441)14,543 (3,441)
Corporate notes— — 15,499 (2,760)15,499 (2,760)
Total available for sale investment securities$— $— $233,677 $(48,345)$233,677 $(48,345)

December 31, 2023
Less than 12 Months12 Months or MoreTotal
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Fair
Value
Unrealized
Losses
Available for Sale Investment Securities
U.S. Treasury and federal agencies$— $— $64,377 $(8,561)$64,377 $(8,561)
State and municipal2,387 (236)301,643 (49,033)304,030 (49,269)
U.S. government agency mortgage-backed securities— — 140,869 (24,184)140,869 (24,184)
Corporate notes— — 36,359 (5,805)36,359 (5,805)
Total available for sale investment securities$2,387 $(236)$543,248 $(87,583)$545,635 $(87,819)
Debt Securities, Held-to-Maturity, Credit Quality Indicator
The following table summarizes credit ratings of our held-to-maturity securities at amortized cost for the periods indicated:
December 31, 2024AAAAAABBBBBNot RatedTotal
U.S. Treasury and federal agencies— 278,383 — — — — 278,383 
State and municipal273,629 698,428 66,079 10,726 — — 1,048,862 
U.S. government agency mortgage-backed securities349,726 — — — — — 349,726 
Private labeled mortgage-backed pools29,278 — — — — — 29,278 
Corporate notes— 6,176 11,549 75,603 4,543 63,728 161,599 
Total652,633 982,987 77,628 86,329 4,543 63,728 1,867,848 
December 31, 2023AAAAAABBBBBNot RatedTotal
U.S. Treasury and federal agencies— 287,259 — — — — 287,259 
State and municipal285,748 730,907 69,658 2,186 — — 1,088,499 
U.S. government agency mortgage-backed securities374,974 — — — — — 374,974 
Private labeled mortgage-backed pools32,329 — — — — — 32,329 
Corporate notes— 4,260 11,831 78,197 4,556 63,890 162,734 
Total693,051 1,022,426 81,489 80,383 4,556 63,890 1,945,795 
Debt Securities, Held-to-Maturity, Allowance for Credit Loss
The following table details activity in the allowance for credit losses on held-to-maturity securities for the year ended December 31, 2024 and 2023.
December 31, 2024December 31, 2023
Beginning balance$157 $257 
Credit loss expense (benefit)(100)
Ending balance$158 $157 
Schedule of Sales of Securities Available for Sale
Information regarding security proceeds, gross gains and gross losses are presented below.
Year Ended December 31
202420232022
Sales of securities available for sale
Proceeds$293,138 $439,285 $— 
Gross gains215 — 
Gross losses(39,145)(32,267)— 
Fair Value And Amortized Costs Of Pledged Securities The following table represents the fair value and amortized costs of these pledged securities.
December 31, 2024December 31, 2023
Fair ValueAmortized CostFair ValueAmortized Cost
Pledge securities for borrowing availability at the Federal Reserve$851,384 $1,032,916 $1,441,920 $1,682,935 
Pledge securities for FHLB borrowings$279,136 $333,613 $— $—