XML 31 R58.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes - Narrative (Details) - USD ($)
 2 Months Ended 10 Months Ended 12 Months Ended
Feb. 28, 2017
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Components Of Income Tax Expense (Benefit) [Line Items]        
Net operating loss carryforwards $ 0      
Tax cuts and jobs act of 2017, change in tax rate, deferred tax asset, provisional income tax expense   $ 2,700,000    
Tax cuts and jobs act of 2017, change in tax rate, deferred tax asset, provisional increase (decrease) in valuation allowance   $ 1,900,000    
Effective tax rate 0.00% (15.30%) (522.90%) 22.60%
US federal general business tax credit carryforwards     $ 48,000,000  
Unrecognized tax benefits   $ 0 13,892,000 $ 0
Deferred tax asset related to the tax benefit of interest expense not currently deductible in tax years 2018 and 2019     66,000,000  
Unrecognized tax benefits, accrued penalties or interest expense     0  
Domestic        
Components Of Income Tax Expense (Benefit) [Line Items]        
Net operating loss carryforwards     56,000,000  
State and Local Jurisdiction        
Components Of Income Tax Expense (Benefit) [Line Items]        
Net operating loss carryforwards     $ 33,000,000