Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Percent change in effective income tax rate for Tax Act	0.00%	0.20%	(5.00%)
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	$ 8,341	$ 6,918
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	31,900
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate			$ 5,560
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 57,900
Internal Revenue Service (IRS) | Minimum | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Income tax examination, period	4 years
Internal Revenue Service (IRS) | Maximum | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Income tax examination, period	5 years
Tax Year 2021-2039 | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 31,700
Indefinitely | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	26,200
Latest Tax Year | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	14,800
Tax Year 2023-2027 | State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	1,100
Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 1,500