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Commitments and Contingencies (Guarantees Outstanding) (Details) - Loans Sold or Securitized With Recourse - Loans Sold or Securitized with Recourse - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	$ 41
Expire After One Year Through Three Years	589
Expire After Three Years Through Five Years	208
Expire After Five Years	23,762
Total	24,600	$ 26,198
Carrying Value	33,973	37,145
Single Family Residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	41
Expire After One Year Through Three Years	396
Expire After Three Years Through Five Years	208
Expire After Five Years	8,766
Total	9,411	10,526
Carrying Value	9,411	10,526
Multifamily residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	0
Expire After One Year Through Three Years	193
Expire After Three Years Through Five Years	0
Expire After Five Years	14,996
Total	15,189	15,672
Carrying Value	$ 24,562	$ 26,619

X

- Definition

Guarantor Obligations, Maximum Exposure, Undiscounted, Expire After Year Five

+ References

No definition available.

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- Definition

Guarantor Obligations, Maximum Exposure, Undiscounted, Expire in Next Twelve Months

+ References

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- Definition

Guarantor Obligations, Maximum Exposure, Undiscounted, Expire in Year Two Through Three

+ References

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- Definition

Guarantor Obligations, Maximum Exposure, Undiscounted, Expire In Years Four Through Five

+ References

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- Definition

Guarantor Obligations, Maximum Potential Future Payments

+ References

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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