Loans and Allowance for Credit Losses on Loans - Nonaccruals (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 31,602	$ 41,531
Non accrual including PCI Loans		3,420,804
Nonaccrual with no ACL	18,404	37,145
Interest on nonaccrual loans	284,000
Accrued interest reversed against interest income	108,000
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	7,189	11,894
Nonaccrual with no ACL	6,598	9,217
Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,876	3,754
Nonaccrual with no ACL		2,943
Commercial real estate - Investor
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	4,346	5,694
Nonaccrual with no ACL	4,244	5,694
Commercial real estate - Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	8,050	11,637
Nonaccrual with no ACL	3,813	11,205
Real estate - construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	251	160
Nonaccrual with no ACL		160
Residential real estate - Investor
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,528	876
Nonaccrual with no ACL	675	876
Residential real estate - Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3,713	4,898
Nonaccrual with no ACL	1,572	4,622
Multifamily
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	2,538	1,573
Nonaccrual with no ACL	1,322	1,573
HELOC
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	2,109	1,042
Nonaccrual with no ACL	180	852
Other 1
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 2	3
Nonaccrual with no ACL		$ 3

Amount of financing receivable on nonaccrual status including purchased credit impaired loans.

No definition available.

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

+ Details

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Period Type:	instant

- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount of interest income on impaired and nonperforming loans that is due to the change in present value attributable to the passage of time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 19
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5278-111524

+ Details

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554

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