Number Of Econometric Regression Models Used To Estimate Probability Of Default

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Number Of Loan Classes

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Number Of Loan Pools

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Number Of Loan Pools With Insignificant Current Balances

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Number Of Loan Pools With Significant Current Balances

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Number Of Loan Segments

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Number Of Loss Given Default Pools

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Retail Branch Locations

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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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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Organization - Narrative (Details) $ in Thousands	3 Months Ended			6 Months Ended
Organization - Narrative (Details) $ in Thousands	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) bank_branch loan_pool loan_class model loan_segment	Jun. 30, 2019 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Number of loan segments \| loan_segment				4
Number of loan classes \| loan_class				8
Number of loan pools \| loan_pool				22
Number of loan pools with insignificant current balances \| loan_pool				6
Number of loan pools with significant current balances \| loan_pool				16
Number of econometric regression models used to estimate probability of default \| model				7
Number of loss given default pools \| loan_pool				9
Retained earnings	$ 247,058			$ 247,058			$ 1,652,248
Allowance for credit losses	381,621	$ 274,863	$ 169,898	381,621	$ 169,898		$ 174,646	$ 173,142	$ 169,333
Goodwill impairment	$ 0	$ 1,470,000	$ 0	$ 1,470,000	$ 0
CALIFORNIA
Business Acquisition [Line Items]
Retail branch locations \| bank_branch				74
NORTH CAROLINA
Business Acquisition [Line Items]
Retail branch locations \| bank_branch				1
COLORADO
Business Acquisition [Line Items]
Retail branch locations \| bank_branch				1
Cumulative Effect, Period Of Adoption, Adjustment \| Accounting Standards Update 2016-13 [Member]
Business Acquisition [Line Items]
Retained earnings						$ 5,300
Allowance for credit losses						$ 7,300