Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount		$ (49)
Deferred tax assets, valuation allowance	$ 2,584	2,584	$ 2,633
Tax Cuts and Jobs Act of 2017, income tax benefit	286			$ 20,950
Unrecognized tax benefits, income tax penalties and interest expense		60	47	$ 65
Unrecognized tax benefits, income tax penalties and interest accrued	163	163	$ 109
Estimate of possible loss		30,570
Continuing Operations
Operating Loss Carryforwards [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount		10
Discontinued Operations
Operating Loss Carryforwards [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount		(59)
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	20,453	20,453
State net operating loss carryforwards	20,453	$ 20,453
State and Local Jurisdiction | Minimum
Operating Loss Carryforwards [Line Items]
Taxable income projection years		3 years
State and Local Jurisdiction | Maximum
Operating Loss Carryforwards [Line Items]
Taxable income projection years		4 years
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	63,055	$ 63,055
Taxable income projection years		3 years
Circulation
Operating Loss Carryforwards [Line Items]
State net operating loss carryforwards	$ 10,500	$ 10,500