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Loans, Allowance for Credit Losses, and Asset Quality Information - Unfunded Loan Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 78,789	$ 52,388	$ 21,398
(Reversal of) provision for credit losses on changes in unfunded commitments	12,600	9,611	35,039
Ending balance	90,967	78,789	52,388
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		14,575
Ending balance			14,575
Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	13,506	582
Day 2 provision for credit losses on unfunded commitments acquired from Select	0	3,982
(Reversal of) provision for credit losses on changes in unfunded commitments	(200)	1,438
Ending balance	13,306	13,506	582
Unfunded Loan Commitment | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0	7,504
Ending balance		$ 0	$ 7,504

X

- Definition

Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), From Acquisitions

+ References

No definition available.

+ Details

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X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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X

- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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