Troubled Debt Restructurings Schedule Of Troubled Debt Restructurings On Financing Receivables (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019 USD ($) contract	Dec. 31, 2018 contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Number of Contracts	19	19
Troubled Debt Restructurings Within Previous Twelve Months [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Troubled Debt Restructuring Modifications Recorded Investment \| $	$ 79
Troubled Debt Restructurings Within Previous Twelve Months [Member] \| Residential Single Family
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Financing Receivable, Modifications, Number of Contracts	1
Troubled Debt Restructuring Modifications Recorded Investment \| $	$ 79

Troubled debt restructuring modifications recorded investment.

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- Definition

Troubled Debt Restructuring, Subsequent Periods [Line Items]

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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