Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
Apr. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
segment
unit
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Summary Of Significant Accounting Policies [Line Items]            
Number of operating segments | segment       1    
Number of reportable segments | segment       1    
Amount deposit accounts exceeded FDIC insured limit $ 301,700,000   $ 301,700,000 $ 301,700,000   $ 294,900,000
Marketable securities – certificates of deposit 67,540,000   67,540,000 67,540,000   67,637,000
Equity securities 57,000,000   57,000,000 57,000,000   36,200,000
Equity securities, FV-NI, unrealized gain (loss)     (62,000,000) $ 21,800,000    
Risk pool surplus or deficits, settlement period after risk pool performance year       18 months    
Impairment of finite-lived intangible assets       $ 0 $ 0  
Impairment of long-lived assets       $ 0 0  
Number of main reporting units | unit       3    
Impairment of indefinite-lived intangible assets       $ 0 $ 0  
Goodwill 243,353,000   243,353,000 243,353,000   239,053,000
Fiduciary accounts payable 8,827,000   8,827,000 8,827,000   9,642,000
Warrants 1,045,000   1,045,000 1,045,000    
Payments received, monthly       8,000,000    
Payments received     23,900,000 72,000,000    
Payments received, revenue     17,600,000 48,900,000    
Contract liabilities 17,259,000   17,259,000 17,259,000   12,988,000
Level 2            
Summary Of Significant Accounting Policies [Line Items]            
Marketable securities – certificates of deposit 0   0 0   0
Warrants 1,045,000   1,045,000 1,045,000    
Certificates of Deposit            
Summary Of Significant Accounting Policies [Line Items]            
Marketable securities – certificates of deposit 67,500,000   67,500,000 67,500,000   $ 67,600,000
Universal Care Acquisition Partners, LLC | Universal Care Inc            
Summary Of Significant Accounting Policies [Line Items]            
Ownership interest disposed   48.90%        
Contingent consideration, cash held in escrow   $ 15,600,000        
Contingent consideration, preferred shares   6,400,000        
Contingent consideration, fair value   22,000,000        
APC | Universal Care Inc            
Summary Of Significant Accounting Policies [Line Items]            
Additional cash consideration entitled to be received   $ 15,700,000        
Write off of additional proceeds       15,700,000    
Universal Care Acquisition Partners, LLC | APC            
Summary Of Significant Accounting Policies [Line Items]            
Ownership interest   100.00%        
Accounts Payable and Accrued Expenses            
Summary Of Significant Accounting Policies [Line Items]            
Accrued contract liability recognized       400,000    
Other long-term liabilities | Interest rate swap | Cash flow hedges: | Derivatives designated as hedging instruments:            
Summary Of Significant Accounting Policies [Line Items]            
Derivative liability, fair value 1,000,000   $ 1,000,000 $ 1,000,000    
PMPM Managed Care Contract            
Summary Of Significant Accounting Policies [Line Items]            
Contract term       one year    
Management Fee Income Contract            
Summary Of Significant Accounting Policies [Line Items]            
Contract term       10 years    
Clinigence Holdings, Inc.            
Summary Of Significant Accounting Policies [Line Items]            
Payments to acquire common stock and warrants $ 3,000,000          
CMS            
Summary Of Significant Accounting Policies [Line Items]            
Expected period of payment upon termination of agreement       30 days    
Revenue from risk pool settlements from prior performance years       $ 21,800,000    
Minimum | Certificates of Deposit            
Summary Of Significant Accounting Policies [Line Items]            
Short-term marketable securities, maturity period       4 months    
Maximum | Certificates of Deposit            
Summary Of Significant Accounting Policies [Line Items]            
Short-term marketable securities, maturity period       24 months