XML 46 R67.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Debt - TPG Term Loan - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2017
Feb. 28, 2017
Jun. 30, 2016
Mar. 31, 2017
Jun. 30, 2017
Sep. 30, 2017
Dec. 31, 2018
Dec. 31, 2017
Mar. 29, 2018
Oct. 03, 2017
Jul. 17, 2017
Jun. 28, 2016
Debt Instrument [Line Items]                        
Debt issuance costs             $ 1,000,000 $ 900,000        
Loss on debt extinguishment and modifications       $ 11,921,000 $ 11,921,000 $ 11,921,000 0 11,921,000        
Term Loan | TPG Term Loan                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                       $ 60,000,000
Debt default, basis spread on interest rate   2.00%                    
Principal amount of loan with amendment fees   $ 71,400,000                    
Amendment fee     $ 11,400,000                  
Debt issuance costs               400,000        
Loss on debt extinguishment and modifications $ 11,900,000                      
Secured Debt                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity                       135,000,000
Revolving Credit Facility | Wells Fargo Credit Agreement                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity $ 65,000,000     $ 65,000,000     75,000,000   $ 75,000,000 $ 58,750,000.00 $ 52,500,000.0 $ 75,000,000
Debt issuance costs             $ 0 $ 100,000