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Loans and Leases Receivable and Allowance for Credit Losses - Schedule of Loan Purchases and Sales (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan purchases	$ 18,008	$ 423,590	$ 210,263	$ 556,110
Value at the Time of Sale of Loans Receivable	$ 0	$ 0	$ 1,822	$ 0
Purchase price as a percentage of loans outstanding	98.50%	100.60%	100.40%	99.90%
Gain/Loss on Sale of Loans			$ 426	$ 304
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan purchases	$ 0	$ 39,474	495	105,858
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan purchases	18,008	384,116	209,768	450,252
Value at the Time of Sale of Loans Receivable	$ 0	$ 0	$ 1,822	$ 0

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- Definition

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

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Value at the time of Sale of Loans Receivable

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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 net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3(a))
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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The cash outflow for the purchase of loan receivable arising from the financing of goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

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