Assets and Liabilities Measured at Fair Value - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Cumulative effect adjustment to retained earnings, net of income tax effect		$ 437
Mortgage loans held for sale	$ 18,935	26,252
Mortgage loans held for sale, outstanding principal balance	18,200	25,400
Net gains (losses) from changes in fair value of loans	$ (133)	$ 505	$ 322
Percentage of written down in appraisal value of nonaccrual impaired loans	80.00%
Maximum remaining maturity of financial instruments having no defined maturity	180 days

Maximum remaining maturity of financial instruments having no defined maturity.

No definition available.

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- Definition

Represents mortgage loans held for sale quantified by principal amount, the principle balance held at close of period.

+ References

No definition available.

+ Details

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- Definition

Percentage of written down in appraisal value of nonaccrual impaired loans.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794

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- References

No definition available.

+ Details

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612

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- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

+ Details

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