Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) Modifications contract	Jun. 30, 2017 USD ($) Modifications contract	Jun. 30, 2018 USD ($) Modifications contract	Jun. 30, 2017 USD ($) Modifications contract	Dec. 31, 2017 USD ($)
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts \| contract	0	0	0	0
Loans and Leases Receivable, Related Parties	$ 9,800		$ 9,800		$ 10,000
Financing Receivable Modifications Additional Commitment To Lend	$ 651		$ 651		$ 506
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	15	11	24	24
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 3,918	$ 2,619	$ 6,402	$ 4,521
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,918	$ 2,619	$ 6,402	$ 4,521
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	7	2	8	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,644	$ 1,422	$ 3,094	$ 1,778
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,644	$ 1,422	$ 3,094	$ 1,778
Loans, Excluding Purchased Credit Impaired Loans [Member] \| One-to-Four Family Residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	0	1	0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 382	$ 0	$ 382
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 382	$ 0	$ 382
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	8	8	15	18
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,274	$ 815	$ 2,417	$ 2,361
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,274	$ 815	$ 2,417	$ 2,361

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No definition available.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
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