Summary of Significant Accounting Policies - Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Fair Value	$ 60,193	$ 88,179
Transfer of Property to Held-for-sale	6,694	0
Gain on sale of premises held-for-sale	$ 0	$ 93
Building and building improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	25 years
Building and building improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	40 years
Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	10 years
Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	20 years
Furniture and equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	5 years
Furniture and equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	15 years
Computer Equipment And Software [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	2 years
Computer Equipment And Software [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	5 years
Automobiles [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Useful life	4 years

Transfer of Property to Held-for-Sale

No definition available.

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- Definition

Amount of 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 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

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.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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