Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017 USD ($) Modifications contract	Jun. 30, 2016 USD ($) Modifications contract	Jun. 30, 2017 USD ($) Modifications contract	Jun. 30, 2016 USD ($) Modifications contract	Dec. 31, 2016 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	$ 10,100		$ 10,100		$ 10,100
Financing Receivable Modifications Additional Commitment To Lend	$ 371		$ 371		$ 508
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	11	17	24	25
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,619	$ 2,537	$ 4,521	$ 4,654
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,619	$ 2,537	$ 4,521	$ 4,654
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	2	2	5	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,422	$ 293	$ 1,778	$ 1,663
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,422	$ 293	$ 1,778	$ 1,663
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	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 382	$ 0	$ 382	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 382	$ 0	$ 382	$ 0
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	0	1	0	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 30	$ 0	$ 280
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 30	$ 0	$ 280
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	8	14	18	18
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 815	$ 2,214	$ 2,361	$ 2,711
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 815	$ 2,214	$ 2,361	$ 2,711

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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.

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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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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
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