Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Tax Credit Carryforward [Line Items]
Provisional income tax expense for impact of remeasurement of deferred tax asset			$ 38,200,000
Increase in deferred tax asset due to merger and acquisition	$ 203,000
Valuation allowance	2,298,000	$ 3,371,000
Net deferred tax asset	34,059,000	64,224,000
Tax benefit related to uncertain tax positions that increases income from continuing operations	2,920,000
Penalties and interest related to income taxes	0	0	$ 0
Accrued penalties and interest	0	$ 0
Begin to expire in 2021 | State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	10,500,000
Begin to expire in 2027 | Federal
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	74,600,000
Begin to expire in 2027 | State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	3,710,000
Begin to expire in 2031 | State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	197,000,000
Begin to expire in 2025 | State
Tax Credit Carryforward [Line Items]
State tax credits	$ 4,330,000