Annual report pursuant to Section 13 and 15(d)

Debt, Net (Fair Value of Debt) (Details)

v3.22.0.1
Debt, Net (Fair Value of Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Carrying Amount    
Debt Instrument [Line Items]    
Long-term debt $ 2,272,304 $ 2,086,918
Carrying Amount | Unsecured Senior Notes    
Debt Instrument [Line Items]    
Long-term debt 1,775,504 1,289,461
Carrying Amount | Other fixed-rate debt    
Debt Instrument [Line Items]    
Long-term debt 87,713 140,891
Carrying Amount | Variable-rate debt    
Debt Instrument [Line Items]    
Long-term debt 409,087 656,566
Estimated Fair Value    
Debt Instrument [Line Items]    
Long-term debt 2,306,928 2,131,282
Estimated Fair Value | Unsecured Senior Notes    
Debt Instrument [Line Items]    
Long-term debt 1,809,950 1,334,342
Estimated Fair Value | Other fixed-rate debt    
Debt Instrument [Line Items]    
Long-term debt 87,339 142,838
Estimated Fair Value | Variable-rate debt    
Debt Instrument [Line Items]    
Long-term debt $ 409,639 $ 654,102