Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income taxes payable	$ 10,100,000
Income taxes receivable		$ 17,100,000
Valuation allowance	600,000	1,100,000
Decrease of valuation allowance	500,000
Operating Loss Carryforwards [Line Items]
State operating loss carryforwards	2,200,000
Unrecognized tax benefits	0	$ 0	$ 0
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Valuation allowance, state net operating loss carryforwards	600,000
State tax credit carryforward	$ 200,000