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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 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)June 30, 2021December 31, 2020
Fixed-rate debt and finance lease obligations due through 2030$621,750 $525,240 
Variable-rate debt due through 2029963,715 1,133,771 
Total long-term debt and finance lease obligations, net of related costs1,585,465 1,659,011 
Less current maturities, net of related costs144,382 217,234 
Long-term debt and finance lease obligations, net of current maturities and related costs$1,441,083 $1,441,777 
Weighted average fixed-interest rate on debt5.7%5.7%
Weighted average variable-interest rate on debt2.5%2.4%