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Accounting Pronouncements Recently Adopted or Issued - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification from other comprehensive income to retained earnings		$ (1,440)
Equity and other securities, at fair value		8,031
ASU 2014-09
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Change in ATM and interchange fees		$ 1,500	$ 1,100	$ 1,000
ASU 2016-01
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification from other comprehensive income to retained earnings	$ 1,400
Equity and other securities, at fair value			$ 6,600
ASU 2017-12
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification of securities held-to-maturity to securities available-for-sale	$ 94,800

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- Definition

Equity and other securities, at fair value.

+ References

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- Definition

Reclassification of held to maturity securities to available for sale securities.

+ References

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- Definition

Amount of the cumulative effect on retained earnings net of 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

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