Debt Securities Available For Sale (Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value ) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Less than 12 Months - Fair Value	$ 72,536	$ 97,411
Debt Securities, More than 12 Months - Fair Value	45,932	12,309
Debt and Equity Securities - Total Fair Value	118,468	109,720
Debt and Equity Securities, Less than 12 Months - Unrealized Losses	2,528	1,955
Debt and Equity Securities, More than 12 Months - Unrealized Losses	3,952	357
Debt and Equity Securities - Total Unrealized Losses	6,480	2,312
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Less than 12 Months - Fair Value	68,892	94,909
Debt Securities, More than 12 Months - Fair Value	45,932	12,309
Debt and Equity Securities - Total Fair Value	114,824	107,218
Debt and Equity Securities, Less than 12 Months - Unrealized Losses	2,497	1,951
Debt and Equity Securities, More than 12 Months - Unrealized Losses	3,952	357
Debt and Equity Securities - Total Unrealized Losses	6,449	2,308
Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Less than 12 Months - Fair Value	3,644	2,502
Debt and Equity Securities - Total Fair Value	3,644	2,502
Debt and Equity Securities, Less than 12 Months - Unrealized Losses	31	4
Debt and Equity Securities - Total Unrealized Losses	$ 31	$ 4

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

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