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Investments (Aggregate Carrying And Approximate Market Values Of Held-To-Maturity Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
Securities Held-to-Maturity, Amortized Cost	$ 51,211	$ 60,827
Securities held-to-maturity, Accumulated Unrecognized Holding Gain	1,634	173
Securities held-to-maturity, Accumulated Unrecognized Holding Loss	0	294
Securities held-to-maturity, Estimated Fair Value	52,845	60,706
U.S. Government Agencies Mortgage-backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Securities Held-to-Maturity, Amortized Cost	51,211	56,827
Securities held-to-maturity, Accumulated Unrecognized Holding Gain	1,634	173
Securities held-to-maturity, Accumulated Unrecognized Holding Loss	0	294
Securities held-to-maturity, Estimated Fair Value	$ 52,845	56,706
Trust Preferred Securities
Schedule of Held-to-maturity Securities [Line Items]
Securities Held-to-Maturity, Amortized Cost		4,000
Securities held-to-maturity, Accumulated Unrecognized Holding Gain		0
Securities held-to-maturity, Accumulated Unrecognized Holding Loss		0
Securities held-to-maturity, Estimated Fair Value		$ 4,000

X

- Definition

Amount of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

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- Definition

Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

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-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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