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Accumulated Other Comprehensive Income, Net - Components of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Change in net unrealized holding gains on securities available-for-sale, tax expense	$ 103	$ 370
Change in net unrealized holding losses on interest rate swaps, tax benefit	163	51
Transfer of securities held-to-maturity to available-for-sale, tax expense	113
Gains realized in income, tax expense	(44)	(95)
Net Unrealized Gains (Losses) on Available-For-Sale Securities [Member]
Change in net unrealized holding gains on securities available-for-sale, tax expense	103	370
Net Unrealized Gains (Losses) on Interest Rate Swaps [Member
Change in net unrealized holding losses on interest rate swaps, tax benefit	163	51
Transfer of Held-To-Maturity Securities to Available-For-Sale [Member]
Transfer of securities held-to-maturity to available-for-sale, tax expense	113
Gains Realized in Net Income [Member]
Gains realized in income, tax expense	$ 44	$ 95

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Adjustment for income tax expense for gains included in net income.

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Other comprehensive income transfer of held to maturity securities to available for sale period tax.

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Amount, after adjustments, of tax expense (benefit) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 50
-Paragraph 4C
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Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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