Supplemental Cash Flows Information - Noncash Investing and Financing Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest	$ 28,891	$ 31,453	$ 38,904
Cash and cash equivalents, beginning balance	36,814	51,228	36,428
Restricted cash, beginning balance	50,206	32,083	70,187
Cash and cash equivalents, beginning of year	87,020	83,311	106,615
Cash and cash equivalents, ending balance	50,748	36,814	51,228
Restricted cash , ending balance	21,986	50,206	32,083
Cash and cash equivalents, end of year	72,734	87,020	83,311
Proceeds from mortgages, notes and bonds payable
Mortgages and notes payable	20,015	10,942	25,675
Bonds payable	0	19,785	78,125
Proceeds from mortgages, other notes and bonds payable	20,015	30,727	103,800
Payment of mortgages, notes and bonds payable
Mortgages and notes payable	65,242	13,823	52,976
Bonds payable	53,658	19,592	21,742
Payment of mortgages, notes and bonds payable	$ 118,900	$ 33,415	$ 74,718