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Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Available for sale Securities, Amortized Cost, Due after 1 year but within 5 years	$ 19,562
Available for sale Securities, Amortized Cost, Due after 5 years but within 10 years	39,391
Available for sale Securities, Amortized Cost, Due after 10 years	3,255
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	62,208
Available-for-sale debt securities, Amortized Cost	83,738	$ 116,027
Available for sale Securities, Fair Value, Due after 1 year but within 5 years	19,445
Available for sale Securities, Fair Value, Due after 5 years but within 10 years	39,392
Available for sale Securities, Fair Value, Due after 10 years	3,209
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Fair Value, Total	62,046
Available for sale Securities, Fair Value	83,404	111,923
Held-to-maturity, Due in 1 year or less, Amortized Cost	4,983
Held-to-maturity, Due after 1 year through 5 years, Amortized Cost	15,989
Held-to-maturity, Due after 5 years through 10 years, Amortized Cost	79,833
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	100,805
Held-to-maturity debt securities, Amortized Cost	160,182	168,370
Held-to-maturity, Due in 1 year or less, Fair Value	4,981
Held-to-maturity, Due after 1 year through 5, Fair Value	16,153
Held-to-maturity, Due after 5 years through 10 years, Fair Value	82,117
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	103,251
Held-to-maturity, Fair Value	162,863	$ 166,582
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Available for sale Securities without a Single Maturity Date, Amortized Cost	21,530
Available for sale securities without a Single Maturity Date, Fair Value	21,358
Held-to-maturity without Single Maturity Date, Amortized Cost	59,377
Held-to-maturity without Single Maturity Date, Fair Value	$ 59,612

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Period Type:	instant

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- Definition

Amortized cost of investment in debt security measured at amortized cost (held-to-maturity), without single maturity date and not allocated over maturity grouping.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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Period Type:	instant

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- Definition

Fair value of 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 (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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