Recent Accounting Pronouncements - Narrative (Details) - USD ($) $ in Thousands	Dec. 15, 2019	Sep. 30, 2019	Jan. 01, 2019
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%