Investment Securities - Schedule of Maturities of the Debt Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Amortized Cost
Within 1 year	$ 145,787	$ 103,337
After 1 year through 5 years	472,284	449,289
After 5 years through 10 years	246,784	207,980
Over 10 years	851,363	203,783
Amortized Cost	1,716,218	964,389
Estimated Fair Value
Within 1 year	146,092	102,457
After 1 year through 5 years	454,138	434,608
After 5 years through 10 years	242,931	180,370
Over 10 years	845,607	177,599
Total	$ 1,688,768	$ 895,034
Weighted Average Rate
Within 1 year	3.89%	3.22%
After 1 year through 5 years	2.76%	3.32%
After 5 years through 10 years	3.56%	1.77%
Over 10 years	4.18%	3.13%
Total	3.69%	2.96%

Represents the weighted average rate of available-for-sale debt securities.

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Available-For-Sale Securities Debt Maturities Weighted Average Rate

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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