Investment Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 459,527	$ 345,580
Available-for-sale Securities	468,951	359,866
Available-for-sale Securities, Gross Unrealized Gain	11,696	14,554
Available-for-sale Securities, Gross Unrealized Loss	2,272	268
US Treasury Securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	15,722	1,501
Available-for-sale Securities	15,448	1,502
Available-for-sale Securities, Gross Unrealized Gain		1
Available-for-sale Securities, Gross Unrealized Loss	274	0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	317,506	222,739
Available-for-sale Securities	321,241	229,929
Available-for-sale Securities, Gross Unrealized Gain	5,377	7,375
Available-for-sale Securities, Gross Unrealized Loss	1,642	185
Small Business Administration pools [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	35,558	34,577
Available-for-sale Securities	36,225	35,498
Available-for-sale Securities, Gross Unrealized Gain	728	928
Available-for-sale Securities, Gross Unrealized Loss	61	7
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	84,216	82,495
Available-for-sale Securities	89,338	88,603
Available-for-sale Securities, Gross Unrealized Gain	5,417	6,184
Available-for-sale Securities, Gross Unrealized Loss	295	76
Corporate and other securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	6,525	3,272
Available-for-sale Securities	6,699	3,328
Available-for-sale Securities, Gross Unrealized Gain	174	56
Available-for-sale Securities, Gross Unrealized Loss	$ 0	0
US Government-sponsored Enterprises Debt Securities [Member]
Marketable Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		996
Available-for-sale Securities		1,006
Available-for-sale Securities, Gross Unrealized Gain		10
Available-for-sale Securities, Gross Unrealized Loss		$ 0

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

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

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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=123581744&loc=d3e27161-111563

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in 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 (c)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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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.

+ References

No definition available.

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