Segment Information (Summary of Additional Reportable Segment Financial Information) (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting [Abstract]
Real estate development expenditures	$ 9,229	$ 6,706	$ 7,254