v3.26.1
Securities (Tables)
 6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Book Values and Fair Values of Available-for-Sale Securities
The book values and approximate fair values of investment securities at June 30, 2026 and December 31, 2025 are summarized as follows:
($ in thousands)June 30, 2026December 31, 2025
Amortized
Cost		Fair
Value		UnrealizedAmortized
Cost		Fair
Value		Unrealized
Gains(Losses)Gains(Losses)
Securities available for sale:
U.S. Treasuries$165,504 $165,202 $389 $(691)$165,137 $168,095 $3,004 $(46)
Government-sponsored enterprise securities1,972 1,761 — (211)1,968 1,758 — (210)
Mortgage-backed securities1,957,870 1,753,884 2,260 (206,246)2,057,381 1,860,357 4,008 (201,032)
Corporate bonds18,198 18,228 74 (44)18,192 18,346 193 (39)
Total available for sale$2,143,544 $1,939,075 $2,723 $(207,192)$2,242,678 $2,048,556 $7,205 $(201,327)
Securities held to maturity:
Mortgage-backed securities$5,623 $5,415 $— $(208)$6,735 $6,536 $— $(199)
State and local governments504,089 437,883 9 (66,215)506,364 441,916 19 (64,467)
Total held to maturity$509,712 $443,298 $9 $(66,423)$513,099 $448,452 $19 $(64,666)
Schedule of Book Values and Fair Values of Held-to-Maturity Securities
The book values and approximate fair values of investment securities at June 30, 2026 and December 31, 2025 are summarized as follows:
($ in thousands)June 30, 2026December 31, 2025
Amortized
Cost		Fair
Value		UnrealizedAmortized
Cost		Fair
Value		Unrealized
Gains(Losses)Gains(Losses)
Securities available for sale:
U.S. Treasuries$165,504 $165,202 $389 $(691)$165,137 $168,095 $3,004 $(46)
Government-sponsored enterprise securities1,972 1,761 — (211)1,968 1,758 — (210)
Mortgage-backed securities1,957,870 1,753,884 2,260 (206,246)2,057,381 1,860,357 4,008 (201,032)
Corporate bonds18,198 18,228 74 (44)18,192 18,346 193 (39)
Total available for sale$2,143,544 $1,939,075 $2,723 $(207,192)$2,242,678 $2,048,556 $7,205 $(201,327)
Securities held to maturity:
Mortgage-backed securities$5,623 $5,415 $— $(208)$6,735 $6,536 $— $(199)
State and local governments504,089 437,883 9 (66,215)506,364 441,916 19 (64,467)
Total held to maturity$509,712 $443,298 $9 $(66,423)$513,099 $448,452 $19 $(64,666)
Schedule of Information Regarding Securities with Unrealized Losses
The following table presents information regarding all securities with unrealized losses at June 30, 2026:
Securities in an Unrealized
Loss Position for
Less than Twelve Months		Securities in an Unrealized
Loss Position for
More than Twelve Months		Total
($ in thousands)Fair ValueUnrealized
Losses		Fair ValueUnrealized
Losses		Fair ValueUnrealized
Losses
U.S. Treasuries$42,524 $691 $— $— $42,524 $691 
Government-sponsored enterprise securities$— $— $1,761 $211 $1,761 $211 
Mortgage-backed securities370,955 4,540 1,010,165 201,914 1,381,120 206,454 
Corporate bonds10,707 44 — — 10,707 44 
State and local governments917 3 432,642 66,212 433,559 66,215 
Total unrealized loss position$425,103 $5,278 $1,444,568 $268,337 $1,869,671 $273,615 

The following table presents information regarding all securities with unrealized losses at December 31, 2025:
Securities in an Unrealized
Loss Position for
Less than Twelve Months		Securities in an Unrealized
Loss Position for
More than Twelve Months		Total
($ in thousands)Fair ValueUnrealized
Losses		Fair ValueUnrealized
Losses		Fair ValueUnrealized
Losses
U.S. Treasuries$19,959 $46 $— $— $19,959 $46 
Government-sponsored enterprise securities— — 1,758 210 1,758 210 
Mortgage-backed securities157,405 684 1,074,038 200,547 1,231,443 201,231 
Corporate bonds3,711 39 — — 3,711 39 
State and local governments— — 436,511 64,467 436,511 64,467 
Total unrealized loss position$181,075 $769 $1,512,307 $265,224 $1,693,382 $265,993 
Schedule of Book Values and Approximate Fair Values of Investment Securities by Contractual Maturity
The book values and fair values of investment securities at June 30, 2026, by contractual maturity, are summarized in the table below. Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.
Securities Available for SaleSecurities Held to Maturity
($ in thousands)Amortized
Cost		Fair
Value		Amortized
Cost		Fair
Value
Due within one year$— $— $992 $969 
Due after one year but within five years$159,670 $159,609 $13,136 $12,236 
Due after five years but within ten years26,004 25,582 280,409 244,828 
Due after ten years— — 209,552 179,850 
Mortgage-backed securities1,957,870 1,753,884 5,623 5,415 
Total securities$2,143,544 $1,939,075 $509,712 $443,298