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Loans and Allowance for Credit Losses on Loans - Nonaccruals (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 41,531	$ 22,280
Non accrual including PCI Loans		2,034,851
Nonaccrual with no ACL	37,145	17,207
Interest on nonaccrual loans	280,000
Accrued interest reversed against interest income	237,000
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	11,894	1,125
Nonaccrual with no ACL	9,217	1,070
Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3,754	2,638
Nonaccrual with no ACL	2,943	309
Commercial real estate - Investor
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	5,694	1,632
Nonaccrual with no ACL	5,694	1,632
Commercial real estate - Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	11,637	9,262
Nonaccrual with no ACL	11,205	6,780
Real estate - construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	160
Nonaccrual with no ACL	160
Residential real estate - Investor
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	876	928
Nonaccrual with no ACL	876	928
Residential real estate - Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	4,898	3,206
Nonaccrual with no ACL	4,622	3,206
Multifamily
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	1,573	2,437
Nonaccrual with no ACL	1,573	2,437
HELOC
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	862	1,052
Nonaccrual with no ACL	672	$ 845
HELOC - Purchased
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	180
Nonaccrual with no ACL	180
Other 1
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3
Nonaccrual with no ACL	$ 3

X

- Definition

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

+ References

No definition available.

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- Definition

Amount of financing receivable on nonaccrual status with no allowance for credit loss.

+ 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 http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

Amount of financing receivable on nonaccrual status.

+ 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 http://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 http://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
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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.

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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

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-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 19
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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
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-Topic 310
-SubTopic 40
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