Description of Business, Basis of Presentation and Significant Accounting Policies and Recently Issued Accounting Pronouncements - Recently Issued Accounting Pronouncements (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019	Jan. 01, 2018	Jan. 01, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle		$ (399,000)	$ 0	$ 0
Operating lease assets	$ 23,000,000.0
Operating lease liabilities	$ 24,218,000
ASU 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle			$ 93,000
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle		399,000
Operating lease assets		29,300,000
Operating lease liabilities		$ 30,200,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected increase in allowance for credit losses (as a percent)	10.00%
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected increase in allowance for credit losses (as a percent)	30.00%