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Subsequent Events (Details)
$ / shares in Units, $ in Thousands
2 Months Ended 12 Months Ended
Jan. 20, 2023
USD ($)
day
$ / shares
shares
Aug. 01, 2022
USD ($)
day
shares
Feb. 23, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
Subsequent Event [Line Items]            
Proceeds from issuance of long-term debt, net of offering costs       $ 219,740 $ 0 $ 30,062
Payments to acquire businesses       $ 248,111 $ 49,012 $ 300
Common stock, par value (in dollars per share) | $ / shares       $ 0.01 $ 0.01  
IPG            
Subsequent Event [Line Items]            
Payments to acquire businesses   $ 256,488        
Equity interest issued or issuable, number of shares (in shares) | shares   3,700,000        
Fair value of Class A common stock issued   $ 130,175        
Subsequent event | National Imaging Associates            
Subsequent Event [Line Items]            
Payments to acquire businesses $ 386,700          
Equity interest issued or issuable, number of shares (in shares) | shares 8,474,576          
Subsequent event | IPG            
Subsequent Event [Line Items]            
Payment for contingent consideration     $ 300      
Subsequent event | Series A Preferred Stock            
Subsequent Event [Line Items]            
Preferred stock, par or stated value per share (in dollars per share) | $ / shares $ 0.01          
Common stock, par value (in dollars per share) | $ / shares 0.01          
Liquidation preference per share (in dollars per share) | $ / shares $ 1,000          
Annual increase in dividend rate 2.00%          
Convertible conversion price (in dollars per share) | $ / shares $ 40.00          
Subsequent event | Series A Preferred Stock | Prior to January 20, 2025            
Subsequent Event [Line Items]            
Redemption price percentage 165.00%          
Subsequent event | Series A Preferred Stock | After January 20, 2030            
Subsequent Event [Line Items]            
Redemption price percentage 150.00%          
Subsequent event | Series A Preferred Stock | Prior to January 20, 2025            
Subsequent Event [Line Items]            
Redemption price percentage 150.00%          
Subsequent event | Series A Preferred Stock | After January 20, 2025            
Subsequent Event [Line Items]            
Redemption price percentage 135.00%          
Subsequent event | Class A Common Stock | IPG            
Subsequent Event [Line Items]            
Equity interest issued or issuable, number of shares (in shares) | shares     849,716      
Fair value of Class A common stock issued     $ 26,500      
Subsequent event | Securities Purchase Agreement | Series A Preferred Stock            
Subsequent Event [Line Items]            
Number of shares issued in transaction (in shares) | shares 175,000          
Price per share (in dollars per share) | $ / shares $ 960.00          
Gross proceeds $ 168,000          
Secured Overnight Financing Rate (SOFR) | Subsequent event | Series A Preferred Stock            
Subsequent Event [Line Items]            
Percentage of preferred dividends in arrears 6.00%          
Line of Credit | Subsequent event            
Subsequent Event [Line Items]            
Prepayment penalty prior to first anniversary of closing date (in percent) 3.00%          
Prepayment penalty after first anniversary of closing date but prior to second anniversary of closing date (in percent) 2.00%          
Prepayment penalty after second anniversary of closing date but prior to third anniversary of closing date (in percent) 1.00%          
Prepayment penalty on or after third anniversary of closing date (in percent) 0.00%          
Secured Debt | Line of Credit            
Subsequent Event [Line Items]            
Maximum borrowing capacity   $ 175,000        
Number of days prior to any junior debt maturity | day   91        
Commitment fee percentage   2.00%        
Secured Debt | Line of Credit | Subsequent event            
Subsequent Event [Line Items]            
Maximum borrowing capacity $ 240,000          
Proceeds from issuance of long-term debt, net of offering costs $ 240,000          
Number of days prior to any junior debt maturity | day 91          
Secured Debt | Line of Credit | Secured Overnight Financing Rate (SOFR)            
Subsequent Event [Line Items]            
Basis spread on variable rate   5.50%        
Secured Debt | Line of Credit | Secured Overnight Financing Rate (SOFR) | Subsequent event            
Subsequent Event [Line Items]            
Basis spread on variable rate 6.00%          
Secured Debt | Line of Credit | Base Rate            
Subsequent Event [Line Items]            
Basis spread on variable rate   4.50%        
Secured Debt | Line of Credit | Base Rate | Subsequent event            
Subsequent Event [Line Items]            
Basis spread on variable rate 5.00%          
Revolving Credit Facility | Line of Credit            
Subsequent Event [Line Items]            
Maximum borrowing capacity   $ 50,000        
Proceeds from issuance of long-term debt, net of offering costs   $ 50,000        
Commitment fee percentage   2.00%        
Revolving Credit Facility | Line of Credit | Subsequent event            
Subsequent Event [Line Items]            
Maximum borrowing capacity $ 25,000          
Proceeds from issuance of long-term debt, net of offering costs $ 25,000          
Commitment fee percentage 3.00%          
Revolving Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)            
Subsequent Event [Line Items]            
Basis spread on variable rate   3.50%        
Revolving Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR) | Subsequent event            
Subsequent Event [Line Items]            
Basis spread on variable rate 4.00%          
Revolving Credit Facility | Line of Credit | Base Rate            
Subsequent Event [Line Items]            
Basis spread on variable rate   2.50%        
Revolving Credit Facility | Line of Credit | Base Rate | Subsequent event            
Subsequent Event [Line Items]            
Basis spread on variable rate 3.00%