Deposits - Summary of Time Deposit Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Time Deposits, Fiscal Year Maturity [Abstract]
Remaining nine months ending December 31, 2024	$ 1,890,775
Year ending December 31, 2025	221,303
Year ending December 31, 2026	17,753
Year ending December 31, 2027	24,770
Year ending December 31, 2028	7,544
Thereafter	1,713
Total CDs	2,163,858
Brokered
Time Deposits, Fiscal Year Maturity [Abstract]
Remaining nine months ending December 31, 2024	483,444
Year ending December 31, 2025	0
Year ending December 31, 2026	0
Year ending December 31, 2027	0
Year ending December 31, 2028	0
Thereafter	0
Total CDs	483,444	$ 575,429
Retail
Time Deposits, Fiscal Year Maturity [Abstract]
Remaining nine months ending December 31, 2024	1,407,331
Year ending December 31, 2025	221,303
Year ending December 31, 2026	17,753
Year ending December 31, 2027	24,770
Year ending December 31, 2028	7,544
Thereafter	1,713
Total CDs	$ 1,680,414	$ 1,443,417

Time Deposit Maturities, After Year Four

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Amount of time deposit maturing in remainder of current fiscal year. Time deposit includes, but is not limited to, certificate of deposit.

+ References

No definition available.

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Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 470
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481544/470-10-50-1

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Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. 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 time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. 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 time deposit liabilities, including certificates of deposit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481047/942-405-50-1

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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