Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Reconciliation [Line Items]
Estimated effective income tax rate	30.00%	50.00%	30.00%
Valuation allowance for deferred tax assets	$ 8,439,000	$ 3,088,000
Deferred tax assets related to net operating losses for federal income tax purposes	$ 14,750,000	16,769,000
Ownership percentage	50.00%
Percentage increasing ownership	5.00%
Pre-tax net operating loss carryovers	$ 11,600,000
Built-in losses annual limitation	1,100,000
Unrecognized tax benefits activity	0	0	$ 0
Interest or penalties related to unrecognized tax benefits	0	$ 0	$ 0
Federal
Income Tax Reconciliation [Line Items]
Deferred tax assets related to net operating losses for federal income tax purposes	8,500,000
State
Income Tax Reconciliation [Line Items]
Deferred tax assets related to net operating losses for federal income tax purposes	$ 6,300,000