Securities, Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Available for sale, amortized cost [Abstract]
Due in one year or less	$ 20,103
Due after one through five years	372,903
Due after five through ten years	133,727
Due after ten years	167,682
Amortized cost	1,301,244	$ 1,430,605
Available for sale, fair value [Abstract]
Due in one year or less	20,052
Due after one through five years	345,658
Due after five through ten years	116,001
Due after ten years	138,051
Fair value	1,163,724	1,256,226
U.S. Government Sponsored Agency Mortgage-backed Securities [Member]
Available for sale, amortized cost [Abstract]
Without single maturity date	518,836
Amortized cost	518,836	593,917
Available for sale, fair value [Abstract]
Without single maturity date	456,736
Fair value	456,736	520,085
Asset-backed Securities [Member]
Available for sale, amortized cost [Abstract]
Without single maturity date	87,993
Amortized cost	87,993	91,363
Available for sale, fair value [Abstract]
Without single maturity date	87,226
Fair value	$ 87,226	$ 89,107

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 second through fifth 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).

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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

+ References

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