XML 104 R91.htm IDEA: XBRL DOCUMENT v3.19.1
INCOME TAXES (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
May 07, 2019
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Income Tax Contingency [Line Items]        
Income tax expense (benefit)   $ (6,000) $ 3,500 $ 3,300
Deferred income tax expense (benefit)   3,200 $ 400  
Deferred tax asset related to capital losses   $ 4,500    
Fees and other income       2,500
Applicable cash savings, percentage   85.00%    
Applicable cash savings available to entity, percentage   15.00%    
Amount payable pursuant to tax receivable agreement [1]   $ 1,559   1,570
Other assets        
Income Tax Contingency [Line Items]        
Deferred tax liabilities   (900)    
Deferred tax asset       2,300
Accrued Liabilities        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits   900   $ 800
Amount Payable Pursuant to Tax Receivable Agreement        
Income Tax Contingency [Line Items]        
Amount payable pursuant to tax receivable agreement   $ 1,600    
Subsequent Event        
Income Tax Contingency [Line Items]        
Fees and other income collected $ 2,400      
[1] Includes amounts relating to consolidated variable interest entities. See Note 3.