Business Segments - Capital Additions Related to Segments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Capital additions	$ 61,647	$ 167,672
Same Store [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Capital additions	61,067	61,079
Other Real Estate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Capital additions	$ 580	$ 106,593