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Debt Credit Agreements (Details Textual) (Details) - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Dec. 19, 2018
Apr. 30, 2022
Feb. 23, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Nov. 30, 2022
Apr. 29, 2022
Nov. 18, 2021
Jun. 30, 2021
Oct. 30, 2020
Debt Instrument [Line Items]                      
Borrowings under credit agreement       $ 0 $ 100,000,000            
Secured debt, percentage of mortgages used as security       85.00%              
Repay deficit in agreement, period       6 months              
Deferred loan costs       $ 3,200,000              
Repayment of borrowings       300,000,000 600,000,000 $ 35,000,000          
Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
EBITDA ratio, debt outstanding, cash and cash equivalents limit       $ 75,000,000              
Debt to EBITDA ratio covenant       3.50              
Third Amended Credit Agreement | Minimum                      
Debt Instrument [Line Items]                      
Commitment fee percentage       0.375%              
Third Amended Credit Agreement | Maximum                      
Debt Instrument [Line Items]                      
Commitment fee percentage       0.50%              
San Mateo Credit Facility                      
Debt Instrument [Line Items]                      
Effective interest rate       6.70%              
Eurodollar | Third Amended Credit Agreement | Minimum                      
Debt Instrument [Line Items]                      
Additional interest rate       1.75%              
Eurodollar | Third Amended Credit Agreement | Maximum                      
Debt Instrument [Line Items]                      
Additional interest rate       2.75%              
Base Rate Loan | Third Amended Credit Agreement | Maximum                      
Debt Instrument [Line Items]                      
Additional interest rate       1.75%              
Unsecured Debt | SBA Loan, CARES Act [Member]                      
Debt Instrument [Line Items]                      
Long-term debt       $ 7,500,000              
Unsecured Debt | Senior Notes Due 2026                      
Debt Instrument [Line Items]                      
Debt instrument, repurchased par value       350,800,000              
Debt instrument, repurchased fair value       344,300,000              
Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Senior secured revolving credit maximum facility   $ 775,000,000                  
Revolving Credit Facility | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Senior secured revolving credit maximum facility   775,000,000           $ 700,000,000      
Increase in borrowing capacity   2,000,000,000         $ 2,250,000,000 $ 1,350,000,000      
Line of credit, maximum facility amount   $ 1,500,000,000                  
Maximum borrowing capacity, amended                     $ 1,500,000,000
Line of Credit | Fourth Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Long-term line of credit                 $ 25,000,000    
Line of Credit | San Mateo Credit Facility                      
Debt Instrument [Line Items]                      
Outstanding letters of credit       9,000,000              
Long-term line of credit       465,000,000              
Repayment of borrowings     $ 30,000,000                
Accordian feature, increase limit $ 735,000,000     485,000,000           $ 450,000,000  
Deferred loan costs       3,900,000              
Line of Credit | San Mateo Credit Facility | Minimum                      
Debt Instrument [Line Items]                      
Commitment fee percentage 0.30%                    
Line of Credit | San Mateo Credit Facility | Maximum                      
Debt Instrument [Line Items]                      
Commitment fee percentage 0.50%                    
Letter of Credit | Credit Agreement                      
Debt Instrument [Line Items]                      
Outstanding letters of credit       $ 45,600,000              
Additional interest rate       1.75%              
Base Rate Loan | Minimum                      
Debt Instrument [Line Items]                      
Additional interest rate       0.75%              
Federal Funds Effective Rate | Line of Credit | San Mateo Credit Facility                      
Debt Instrument [Line Items]                      
Basis spread on variable rate 0.50%                    
Adjusted LIBO Rate | Line of Credit | San Mateo Credit Facility                      
Debt Instrument [Line Items]                      
Basis spread on variable rate 1.00%                    
Adjusted LIBO Rate | Line of Credit | San Mateo Credit Facility | Minimum                      
Debt Instrument [Line Items]                      
Additional interest rate 1.25%                    
Adjusted LIBO Rate | Line of Credit | San Mateo Credit Facility | Maximum                      
Debt Instrument [Line Items]                      
Additional interest rate 2.25%                    
Statutory Reserve Rate | Line of Credit | San Mateo Credit Facility | Minimum                      
Debt Instrument [Line Items]                      
Additional interest rate 2.25%                    
Statutory Reserve Rate | Line of Credit | San Mateo Credit Facility | Maximum                      
Debt Instrument [Line Items]                      
Additional interest rate 3.25%                    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Debt instrument interest rate   0.10%                  
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Revolving Credit Facility | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Senior secured revolving credit maximum facility   $ 100,000,000     $ 50,000,000            
The Bank Of Nova Scotia | San Mateo Credit Facility                      
Debt Instrument [Line Items]                      
Debt to EBITDA ratio covenant 5.00                    
Interest coverage ratio 2.50