Release of credit loss reserves.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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-Publisher FASB
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-Section 55
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-URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448

+ Details

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Period Type:	duration

- Definition

Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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-Publisher FASB
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-Topic 948
-SubTopic 310
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-URI http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004

+ Details

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Period Type:	instant

- Definition

The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 16
-Subparagraph (a)
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-Topic 230
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+ Details

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Period Type:	duration

- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Namespace Prefix:
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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Subsequent Event (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 21, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Subsequent Event [Line Items]
Loans held for sale		$ 364,416		$ 364,416		$ 55,864
Provision for credit losses		306,898	$ 8,088	553,691	$ 26,131
Commercial Non-Real Estate [Member]
Subsequent Event [Line Items]
Loans held for sale		254,400		254,400
Energy Related Loans [Member]
Subsequent Event [Line Items]
Loans held for sale		$ 497,000		497,000
Provision for credit losses				160,100
Charge-off				242,600
Release of credit loss reserves				$ 82,500
Energy Related Loans [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Loans held for sale	$ 497,000
Energy Related Loans [Member] \| Commercial Non-Real Estate [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of energy-related loans	$ 254,400