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Long-Term Debt (Tables)
3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
The following table summarizes the Company's Long-term debt and finance lease obligations as of the dates indicated:
(in thousands)March 31, 2021December 31, 2020
Fixed-rate debt and finance lease obligations due through 2029$619,874 $525,240 
Variable-rate debt due through 2029996,178 1,133,771 
Total long-term debt and finance lease obligations, net of related costs1,616,052 1,659,011 
Less current maturities, net of related costs156,482 217,234 
Long-term debt and finance lease obligations, net of current maturities and related costs$1,459,570 $1,441,777 
Weighted average fixed-interest rate on debt5.8 %5.7 %
Weighted average variable-interest rate on debt2.5 %2.4 %