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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 310
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
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Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 36
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-36

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 40
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481746/310-40-50-1

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Loans Receivable and Allowance for Credit Losses - Payment Status Recorded Investment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 186,349		$ 35,619
Commitment to lend	10,000	$ 4,000
Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	166,670		28,674
30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	6,775		6,945
90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	12,904		0
Commercial lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	159,050		34,881
Commercial lending \| Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	151,221		27,936
Commercial lending \| 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		6,945
Commercial lending \| 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		0
Commercial lending \| Commercial and industrial (“C&I”)
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	83,022		34,338
Commercial lending \| Commercial and industrial (“C&I”) \| Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	75,193		27,393
Commercial lending \| Commercial and industrial (“C&I”) \| 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		6,945
Commercial lending \| Commercial and industrial (“C&I”) \| 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		0
Commercial lending \| CRE
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	76,028		543
Commercial lending \| CRE \| Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	76,028		543
Commercial lending \| CRE \| 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Commercial lending \| CRE \| 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Consumer lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	27,299		738
Consumer lending \| Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	15,449		738
Consumer lending \| 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	6,775		0
Consumer lending \| 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	5,075		0
Consumer lending \| Real estate loan \| Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,769
Consumer lending \| Real estate loan \| Current Accruing Loans \| Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	8,455
Consumer lending \| Real estate loan \| 30 - 89 Days Past Due \| Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	4,239
Consumer lending \| Real estate loan \| 90+ Days Past Due \| Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	5,075
Consumer lending \| HELOCs
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	9,530		738
Consumer lending \| HELOCs \| Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	6,994		738
Consumer lending \| HELOCs \| 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	2,536		0
Consumer lending \| HELOCs \| 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 0		$ 0