Schedule III - Real Estate and Accumulated Depreciation (Activity in Real Estate and Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Changes in real estate
Balance at beginning of year	$ 6,607,741	$ 6,102,864	$ 9,198,799
Property acquisitions	270,836	0	0
Improvements	255,476	199,416	241,213
Retirements/disposals/deconsolidation	25,579	305,461	(2,383,912)
Reclassification	0	0	(953,236)
Balance at end of year	7,159,632	6,607,741	6,102,864
Aggregate cost of land, buildings and improvements before depreciation	5,600,000
Changes in accumulated depreciation
Balance at beginning of year	2,126,081	1,968,004	2,039,554
Depreciation for year	195,520	171,744	199,576
Retirements/disposals/deconsolidation	(15,224)	(13,667)	(203,819)
Reclassification	0	0	(67,307)
Balance at end of year	$ 2,306,377	$ 2,126,081	$ 1,968,004