Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
CARES Act, income tax benefit	$ 13,400
Valuation allowance	29,994	$ 12,957
Interest carryforward	133,500	3,100
Interest carryforward, tax effected	34,200	800
General Business Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	2,000	1,600
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	554,400	481,700
Net operating loss carryforward, tax effected	116,400	101,100
Net operating loss carryforward, subject to expiration	75,800	75,800
Net operating loss carryforward, subject to expiration, tax effected	15,900	15,900
Net operating loss carryforward, not subject to expiration	478,600	405,900
Net operating loss carryforward, not subject to expiration, tax effected	100,500	85,200
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	436,100	311,100
Net operating loss carryforward, tax effected	25,400	18,100
Net operating loss carryforward, subject to expiration	356,400	242,000
Net operating loss carryforward, subject to expiration, tax effected	19,800	15,100
Net operating loss carryforward, not subject to expiration	79,700	69,100
Net operating loss carryforward, not subject to expiration, tax effected	5,600	3,000
State | Operating Loss Carryforward
Operating Loss Carryforwards [Line Items]
Valuation allowance		7,200
State | Operating Loss Carryforward And Other Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Valuation allowance	20,400
Canada
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	21,400	23,000
Net operating loss carryforward, tax effected	5,700	6,100
Valuation allowance		1,700
Tax credit carryforward	1,100	1,700
Canada | Operating Loss Carryforward
Operating Loss Carryforwards [Line Items]
Valuation allowance		$ 4,100
Canada | Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Valuation allowance	1,100
Canada | Operating Loss Carryforward And Other Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 8,400