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Investment Securities (Tables)
6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investment in AFS and HTM Securities
The table below summarizes the Company's investment in AFS securities by major security type.
As of June 30, 2026
(dollars in thousands)Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
U.S. agency securities$331,363 $— $(17,591)$313,772 
Residential mortgage-backed securities574,550 58 (59,860)514,748 
Commercial mortgage-backed securities68,359 — (2,625)65,734 
Municipal bonds8,335 — (392)7,943 
Corporate bonds2,000 — (14)1,986 
Total available-for-sale securities$984,607 $58 $(80,482)$904,183 
As of December 31, 2025
(dollars in thousands)Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
U.S. agency securities$355,249 $— $(17,541)$337,708 
Residential mortgage-backed securities620,540 152 (58,188)562,504
Commercial mortgage-backed securities68,931 117 (2,503)66,545
Municipal bonds8,426 — (380)8,046
Corporate bonds2,000 — (33)1,967
Total available-for-sale securities$1,055,146 $269 $(78,645)$976,770 
The table below summarizes the Company's investment in HTM securities by major security type.
As of June 30, 2026
(dollars in thousands)Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Residential mortgage-backed securities$516,797 $— $(62,731)$454,066 
Commercial mortgage-backed securities84,682 — (10,409)74,273 
Municipal bonds106,753 — (7,284)99,469 
Corporate bonds107,100 (3,919)103,186 
Total815,332 $$(84,343)$730,994 
Less: Allowance for credit losses
(454)
Total held-to-maturity securities, net of ACL$814,878 
As of December 31, 2025
(dollars in thousands)Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Residential mortgage-backed securities$544,402 $— $(58,836)$485,566 
Commercial mortgage-backed securities85,760 — (9,787)75,973 
Municipal bonds106,875 — (6,933)99,942 
Corporate bonds118,773 (5,315)113,466 
Total855,810 $$(80,871)$774,947 
Less: Allowance for credit losses
(1,030)
Total held-to-maturity securities, net of ACL$854,780 
Schedule of Continuous Unrealized Loss on AFS and HTM Securities
The table below summarizes, by length of time, the Company's AFS securities that have been in a continuous unrealized loss position and HTM securities that have been in a continuous unrecognized loss position.
As of June 30, 2026
Less than 12 Months12 Months or GreaterTotal
(dollars in thousands)Number of SecuritiesEstimated Fair ValueUnrealized LossesEstimated Fair ValueUnrealized LossesEstimated Fair ValueUnrealized Losses
Investment securities available-for-sale:
U.S. agency securities50 $— $— $313,772 $(17,591)$313,772 $(17,591)
Residential mortgage-backed securities140 16,642 (227)489,180 (59,633)505,822 (59,860)
Commercial mortgage-backed securities12 28,805 (198)36,929 (2,427)65,734 (2,625)
Municipal bonds— — 7,943 (392)7,943 (392)
Corporate bonds— — 1,986 (14)1,986 (14)
Total204 $45,447 $(425)$849,810 $(80,057)$895,257 $(80,482)
Investment securities held-to-maturity:
Residential mortgage-backed securities131 $— $— $454,066 $(62,731)$454,066 $(62,731)
Commercial mortgage-backed securities16 4,190 (559)70,083 (9,850)74,273 (10,409)
Municipal bonds33 — — 98,469 (7,284)98,469 (7,284)
Corporate bonds25 5,875 (47)92,348 (3,872)98,223 (3,919)
Total205 $10,065 $(606)$714,966 $(83,737)$725,031 $(84,343)

As of December 31, 2025
Less than 12 Months12 Months or GreaterTotal
(dollars in thousands)Number of SecuritiesEstimated Fair ValueUnrealized LossesEstimated Fair ValueUnrealized LossesEstimated Fair ValueUnrealized Losses
Investment securities available-for-sale:
U.S. agency securities52 $— $— $337,708 $(17,541)$337,708 $(17,541)
Residential mortgage-backed securities139 — — 546,514 (58,188)546,514 (58,188)
Commercial mortgage-backed securities10 — — 37,329 (2,503)37,329 (2,503)
Municipal bonds— — 8,046 (380)8,046 (380)
Corporate bonds— — 1,967 (33)1,967 (33)
Total203$— $— $931,564 $(78,645)$931,564 $(78,645)
Investment securities held-to-maturity:
Residential mortgage-backed securities136 $— $— $485,567 $(58,836)$485,567 $(58,836)
Commercial mortgage-backed securities16 4,271 (503)71,702 (9,284)75,973 (9,787)
Municipal bonds33 — — 98,942 (6,933)98,942 (6,933)
Corporate bonds27 1,922 (18)106,638 (5,297)108,560 (5,315)
Total212$6,193 $(521)$762,849 $(80,350)$769,042 $(80,871)
Schedule of Investment in AFS Securities and HTM Securities by Contractual Maturity
The table below summarizes the Company's investment in AFS securities and HTM securities by contractual maturity. Expected maturities for mortgage-backed securities ("MBS") will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
As of June 30, 2026
(dollars in thousands)Amortized CostEstimated Fair Value
Investment securities available-for-sale:
Within one year$70,524 $69,832 
One to five years235,827 221,497 
Five to ten years17,450 16,523 
Beyond ten years17,897 15,849 
Residential mortgage-backed securities574,550 514,748 
Commercial mortgage-backed securities68,359 65,734 
Less: allowance for credit losses— — 
Total investment securities available-for-sale984,607 904,183 
Investment securities held-to-maturity:
Within one year11,972 11,906 
One to five years70,858 68,659 
Five to ten years80,146 75,368 
Beyond ten years50,877 46,722 
Residential mortgage-backed securities: 516,797 454,066 
Commercial mortgage-backed securities84,682 74,273 
Less: allowance for credit losses(454)— 
Total investment securities held-to-maturity814,878 730,994 
Total$1,799,485 $1,635,177 
Schedule of Information About the Sales and Calls of Investment Securities
The table below displays information about the sales and calls of our investment securities.
For the Three Months Ended June 30,For the Six Months Ended June 30,
(dollars in thousands)2026202520262025
Proceeds from sales and calls$12,055 $62,909 $12,112 $112,961 
Gross realized gains from sales and calls266 269 
Gross realized losses from sales and calls— 1,857 — 1,858