XML 43 R57.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Examination [Abstract]      
Deferred tax assets, related to revaluation and acquisition of redeemable non-controlling interests $ 3,000    
Estimated reduction in deferred tax liabilities     $ (4,300)
Adjustment to deferred tax assets 300    
Accrued interest and penalties associated with any unrecognized tax benefits 0 $ 0 0
Interest expense recognized 0 $ 0 $ 0
Federal [Member]      
Income Tax Examination [Abstract]      
Tax receivable included in other current assets $ 1,500    
Periods open for examination 2016 2017 2018    
State [Member]      
Income Tax Examination [Abstract]      
Tax receivable included in other current assets $ 1,300    
Periods open for examination 2015 2016 2017 2018