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Investment Securities - Held-to-Maturity with Unrecognized Losses (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Fair Value
Less than 12 months	$ 1,560,831
12 months or longer	1,052,753
Total	2,613,584
Unrecognized Losses
Less than 12 months	(280,316)
12 months or longer	(165,370)
Total	(445,686)
U.S. government-sponsored entities and agencies
Fair Value
Less than 12 months	354,293
12 months or longer	302,066
Total	656,359
Unrecognized Losses
Less than 12 months	(110,523)
12 months or longer	(52,287)
Total	(162,810)
Mortgage-backed securities
Fair Value
Less than 12 months	367,849
12 months or longer	615,114
Total	982,963
Unrecognized Losses
Less than 12 months	(42,438)
12 months or longer	(81,416)
Total	(123,854)
States and political subdivisions
Fair Value
Less than 12 months	838,689
12 months or longer	135,573
Total	974,262
Unrecognized Losses
Less than 12 months	(127,355)
12 months or longer	(31,667)
Total	$ (159,022)

X

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

+ References

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-SubTopic 10
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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