Securities (Securities Held to Maturity with Unrealized Losses) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity, Losses less than 12 months, Fair Value	$ 745	$ 33,161
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses	2	619
Held to Maturity, Losses 12 months or longer, Fair Value	2,890	52,253
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses	15	489
Held to Maturity, Total, Fair Value	3,635	85,414
Held to Maturity, Total, Gross Unrealized Losses	17	1,108
Municipal Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity, Losses less than 12 months, Fair Value	523	4,735
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses	2	38
Held to Maturity, Losses 12 months or longer, Fair Value	2,890	3,143
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses	15	31
Held to Maturity, Total, Fair Value	3,413	7,878
Held to Maturity, Total, Gross Unrealized Losses	17	69
Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity, Losses less than 12 months, Fair Value	222	28,426
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses		581
Held to Maturity, Total, Fair Value	$ 222	28,426
Held to Maturity, Total, Gross Unrealized Losses		581
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity, Losses 12 months or longer, Fair Value		49,110
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses		458
Held to Maturity, Total, Fair Value		49,110
Held to Maturity, Total, Gross Unrealized Losses		$ 458

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563

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-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563

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