Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]        
Accounts receivable, net $ 1,187 $ 0    
Allowance for doubtful accounts 0 0    
Shareholders' equity $ 370,228 407,750 $ 279,086 $ 298,600
Customer Concentration Risk | Revenue Benchmark | Specialty Pharmacy One        
Property, Plant and Equipment [Line Items]        
Concentration risk 59.00%      
Customer Concentration Risk | Revenue Benchmark | Specialty Pharmacy Two        
Property, Plant and Equipment [Line Items]        
Concentration risk 37.00%      
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2018-15 [Member]        
Property, Plant and Equipment [Line Items]        
Shareholders' equity   $ 1,700