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Securities - Gross Gain (Loss) Realized From the Sale of Securities Available for Sale (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Notes To Financial Statements
Gross gains from the sale of securities	$ 0	$ 713
Gross losses from the sale of securities	0	(750)
Net losses from the sale of securities	$ 0	$ (37)

X

- Definition

n/a.

+ References

No definition available.

+ Details

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X

- Definition

Amount of realized gain (loss) on investment in debt and equity securities.

+ References

No definition available.

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563

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X

- Definition

Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563

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