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Description of Business and Significant Accounting Policies (Details) - USD ($)
1 Months Ended 3 Months Ended
Mar. 31, 2021
Apr. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
Short-term Debt [Line Items]        
Period of payment deferral   6 months    
Repayments of debt     $ 26,584,000 $ 78,011,000
Paycheck Protection Program Loan, CARES Act        
Short-term Debt [Line Items]        
Debt, face amount   $ 5,300,000    
Stated interest rate   1.00%    
Repayments of debt $ 5,300,000