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Recent Accounting Pronouncements - Narrative (Details) - USD ($) $ in Thousands | Dec. 15, 2019 | Sep. 30, 2019 | Jan. 01, 2019
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Operating lease, right-of-use asset |  | $ 19,627 |
Operating lease liability |  | $ 19,779 |
Other assets | Accounting Standards Update 2016-02 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Operating lease, right-of-use asset |  |  | $ 20,600
Other liabilities | Accounting Standards Update 2016-02 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Operating lease liability |  |  | $ 20,700
Forecast | Accounting Standards Update 2016-13 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Credit losses reserve | $ 25,100 |  |
Forecast | Minimum | Accounting Standards Update 2016-13 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Credit losses reserve, percent | 20.00% |  |
Forecast | Maximum | Accounting Standards Update 2016-13 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Credit losses reserve, percent | 40.00% |  |

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