Allowance for Credit Losses - Schedule of Allowance for Credit Losses Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net Investment in Lease, Allowance for Credit Loss
Beginning Balance	$ 1,534,515	$ 1,439,168	$ 1,472,386	$ 1,368,819
Initial allowance from current period investments	0	37,577	2,914	271,642
Current period change in credit allowance	(31,022)	57,851	28,193	(105,865)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	$ 1,503,493	$ 1,534,596	$ 1,503,493	$ 1,534,596