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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Schedule of Loan Purchases and Sales (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	$ 24,632	$ 460,456	$ 230,962	$ 737,336
Sales	$ 20,438	$ 74,404	$ 34,719	$ 130,501
Purchase price as a percentage of loans outstanding	98.90%	102.00%	98.20%	103.00%
Net gain on sale of loans	$ 1,500	$ 2,200	$ 3,600	$ 4,300
Loans receivable, PPP
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	0	460,456	0	621,487
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	8,081	0	154,955	0
Sales	0	11,623	0	28,186
Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	2,879	19,443	2,879	19,443
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	14,040	10,059	22,880	28,990
Commercial real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	3,519	4,461	8,960	6,698
Commercial real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	0	0	0	18,366
Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	16,551	0	76,007	115,849
Sales	$ 0	$ 28,818	$ 0	$ 28,818

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Amount excluding accrued interest, of increase in financing receivable from purchase. 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 11
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

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Amount excluding accrued interest, of decrease from sale and reclassification to held-for-sale of 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 11
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

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Amount of gain (loss) on sale of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107425-111719

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