Debt (Secured Tower Revenue Securities) (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)
Debt Instrument [Line Items]
Repayment of tower securities	$ 1,165,000
2019-1C Tower Securities [Member]
Debt Instrument [Line Items]
Repayment of tower securities	1,165,000
2019-1R Tower Securities [Member]
Debt Instrument [Line Items]
Repayment of tower securities	$ 61,400