Quarterly report pursuant to Section 13 or 15(d)

Indebtedness - Narrative (Details)

v3.22.2
Indebtedness - Narrative (Details) - USD ($)
1 Months Ended 6 Months Ended
Dec. 31, 2021
Jul. 31, 2021
Sep. 30, 2017
Jun. 30, 2022
Jun. 30, 2021
Apr. 30, 2020
Debt Instrument [Line Items]            
Proceeds from credit facility       $ 0 $ 45,000,000  
Revolving Credit Facility            
Debt Instrument [Line Items]            
Term     5 years      
Credit facility amount $ 525,000,000   $ 150,000,000     $ 250,000,000
Aggregate principal amount 450,000,000         225,000,000
Additional borrowing capacity of credit facility 75,000,000         $ 25,000,000
Borrowings outstanding 300,000,000          
Repayments of debt 150,000,000          
Available borrowing capacity $ 272,466,000     $ 279,966,000    
Bloomberg short-term bank yield index rate floor 0.00%          
Base rate floor 2.00% 3.00%        
Federal funds rate floor 0.00% 0.00%        
Bloomberg short-term bank yield index additional rate 1.00%          
Interest rate at period end       2.14% 3.25%  
LIBOR floor rate   1.00%        
LIBOR floor additional rate   1.00%        
Revolving Credit Facility | Medium-term Notes            
Debt Instrument [Line Items]            
Borrowings outstanding $ 150,000,000          
Proceeds from credit facility $ 150,000,000          
Revolving Credit Facility | Bloomberg Short-Term Bank Yield Index | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate 1.25%          
Revolving Credit Facility | Bloomberg Short-Term Bank Yield Index | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate 1.75%          
Revolving Credit Facility | Federal Funds Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate 0.50% 0.50%        
Revolving Credit Facility | Prime Rate | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate 0.00% 0.25%        
Revolving Credit Facility | Prime Rate | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate 0.50% 0.75%        
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate   2.25%        
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate   2.75%        
Letter of Credit            
Debt Instrument [Line Items]            
Credit facility amount     30,000,000      
Outstanding amount $ 20,034,000     $ 20,034,000    
Swing Line Loan            
Debt Instrument [Line Items]            
Credit facility amount     $ 30,000,000