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Accounting Pronouncements Recently Adopted or Issued - Additional Information (Details) - USD ($) $ in Thousands |  | 12 Months Ended
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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 Reclassification of held to maturity securities to available for sale securities. + 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://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 + Details
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