Business Acquisition Threshold, Percent

No definition available.

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- Definition

The total amount of the reserve on letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement, Initial Payment

+ References

No definition available.

+ Details

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

+ Details

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Balance Type:	credit
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- Definition

The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Details

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- Details

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- Details

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Legal Proceedings, Contingencies and Commitments - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2012	Jun. 30, 2019	Dec. 31, 2018
Loss Contingencies
Tier 1 capital (to adjusted tangible assets), capitalized under prompt corrective action provision ratio		5.00%	5.00%
Business acquisition threshold	33.30%
Accrued reserve for contingent liabilities		$ 2,000,000	$ 2,000,000
Letter of credit, reserve amount		$ 3,000,000
Bank
Loss Contingencies
Tier 1 capital (to adjusted tangible assets), capitalized under prompt corrective action provision ratio		5.00%	5.00%
DOJ Agreement \| Bank
Loss Contingencies
Tier 1 capital (to adjusted tangible assets), capitalized under prompt corrective action provision ratio	11.00%
DOJ Agreement
Loss Contingencies
Litigation settlement, initial payment	$ 15,000,000
Litigation settlement payment amount	118,000,000
Accrued reserve for contingent liabilities		$ 35,000,000
DOJ Agreement \| Subsequent Payments
Loss Contingencies
Litigation expense (up to)	$ 25,000,000