Income Taxes - Narrative (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
	Oct. 08, 2020	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Increase (decrease) in deferred tax asset, valuation allowance			$ 32,500
Net income (loss) before income taxes			135,453	$ (546,907)	$ 10,509	$ 10,500
Provision (benefit) for income taxes			33,373	(26,343)	$ 799	$ 800
Federal interest carryforward		$ 47,192	57,011	$ 47,192
Federal interest carryforward, net			57,000
Marked-To-Market Investments
Operating Loss Carryforwards [Line Items]
Increase (decrease) in deferred tax asset, valuation allowance		$ 2,600
Commensurate Transactions
Operating Loss Carryforwards [Line Items]
Increase (decrease) in deferred tax asset, valuation allowance	$ 2,400
CARES Act
Operating Loss Carryforwards [Line Items]
Increase (decrease) in accrued taxes payable			32,500
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			2,900
NOL Carryforwards			600
Federal interest carryforward			241,500
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 300