Allowance for Credit Losses - Summary of Company's Allowance for Loan Losses ("All") and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 92,581	$ 50,860	$ 89,553	$ 49,694
Day 1 CECL provision expense		5,201		5,201
Purchase credit deteriorated ("PCD") allowance for credit loss at acquisition		2,474		2,474
Charge-offs	(540)	(253)	(1,218)	(1,338)
Recoveries	280	66	386	256
Provision expense (release) for credit losses	1,125	7,275	4,725	9,336
Ending balance	93,446	65,623	93,446	65,623
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	42,058	32,011	37,608	31,256
Day 1 CECL provision expense		2,261		2,261
Purchase credit deteriorated ("PCD") allowance for credit loss at acquisition		2,257		2,257
Charge-offs	(239)		(242)	(754)
Recoveries	241	40	286	115
Provision expense (release) for credit losses	3,231	1,651	7,639	3,085
Ending balance	45,291	38,220	45,291	38,220
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	30,768	8,426	32,050	10,033
Day 1 CECL provision expense		2,327		2,327
Purchase credit deteriorated ("PCD") allowance for credit loss at acquisition		2		2
Recoveries	1		3	21
Provision expense (release) for credit losses	(2,301)	3,419	(3,585)	1,791
Ending balance	28,468	14,174	28,468	14,174
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	19,331	10,072	19,306	8,056
Day 1 CECL provision expense		596		596
Purchase credit deteriorated ("PCD") allowance for credit loss at acquisition		215		215
Charge-offs			(46)	(2)
Recoveries	7	3	19	49
Provision expense (release) for credit losses	(47)	1,988	12	3,960
Ending balance	19,291	12,874	19,291	12,874
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	424	351	589	349
Day 1 CECL provision expense		17		17
Charge-offs	(301)	(253)	(930)	(582)
Recoveries	31	23	78	71
Provision expense (release) for credit losses	242	217	659	500
Ending balance	$ 396	$ 355	$ 396	$ 355

Amount of expense related to estimated loss from Day 1 CECL.

No definition available.

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- 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
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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- 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.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

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- 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
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

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- Definition

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

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