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Investment Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Marketable Securities [Line Items]
Amortized Cost	$ 282,790	$ 283,648
Gross Unrealized Gains	13,457	4,153
Gross Unrealized Losses	328	1,001
Fair Value	295,919	286,800
US Treasury Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	3,502	7,190
Gross Unrealized Gains	19	16
Gross Unrealized Losses	0	3
Fair Value	3,521	7,203
US Government-sponsored Enterprises Debt Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	990	984
Gross Unrealized Gains	23	17
Gross Unrealized Losses	0	0
Fair Value	1,013	1,001
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Marketable Securities [Line Items]
Amortized Cost	172,969	182,736
Gross Unrealized Gains	7,683	1,490
Gross Unrealized Losses	317	640
Fair Value	180,335	183,586
Small Business Administration pools [Member]
Marketable Securities [Line Items]
Amortized Cost	39,289	45,301
Gross Unrealized Gains	938	259
Gross Unrealized Losses	11	217
Fair Value	40,216	45,343
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	64,043	47,418
Gross Unrealized Gains	4,794	2,371
Gross Unrealized Losses	0	141
Fair Value	68,837	49,648
Corporate and other securities [Member]
Marketable Securities [Line Items]
Amortized Cost	1,997	19
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 1,997	$ 19

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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-Topic 320
-SubTopic 10
-Section 50
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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.

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