New Authoritative Accounting Pronouncements (Details) - Accounting Standards Update 2016-13 [Member] $ in Millions	Jan. 01, 2020 USD ($)
Cumulative-effect adjustment to retained earnings	$ 1.3
Cumulative-effect adjustment to retained earnings, net of tax	0.9
Increase in allowance for loan losses	0.4
Increase in allowance for held-to-maturity debt securities	0.3
Increase in allowance for off-balance sheet items	$ 0.6

Amount of increase (decrease) of allowance reserve for credit loss of off balance sheet items.

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- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of the cumulative effect on retained earnings before related income tax effect.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122869-111746

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Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

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- Definition

Amount of increase (decrease) in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447

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