Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) Modifications contract	Mar. 31, 2017 USD ($) Modifications contract	Dec. 31, 2017 USD ($)
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract	0	0
Loans and Leases Receivable, Related Parties	$ 9,900		$ 10,000
Financing Receivable Modifications Additional Commitment To Lend	$ 121		$ 506
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	9	13
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,484	$ 1,902
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,484	$ 1,902
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	1	3
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 450	$ 356
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 450	$ 356
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Income Property Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 891	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 891	$ 0
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	7	10
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,143	$ 1,546
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,143	$ 1,546

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+ References

No definition available.

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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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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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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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- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(e))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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