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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
	Mar. 31, 2022	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	$ 206,330	$ 115,849
Sales	$ 14,281	$ 39,534
Purchase price as a percentage of loans outstanding	98.10%	101.00%
Net gain on sale of loans	$ 2,100	$ 1,600
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	146,874	0
Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases	59,456	115,849
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	8,840	18,931
Commercial real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	5,441	2,237
Commercial real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales	$ 0	$ 18,366

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Loans Held-for-investment, Purchase Price as a Percentage of Loans Outstanding

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Amount of increase from purchase of financing receivable.

+ 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 http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

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-Section 50
-Paragraph 11B
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Amount of decrease from sale and reclassification to held-for-sale of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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