CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 986	$ 41,156
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	5,890	5,951
Deferred income taxes	133	9,273
Equity in loss of joint ventures	3,370	2,753
Gain on remeasurement of invest in real estate partnership	0	(51,139)
Gain on sale of equipment and property	(733)	(835)
Stock-based compensation	1,026	854
Net changes in operating assets and liabilities:
Accounts receivable	(630)	554
Deferred costs and other assets	(1,294)	280
Accounts payable and accrued liabilities	(1,468)	819
Income taxes payable and receivable	1,501	940
Other long-term liabilities	26	357
Net cash provided by operating activities	8,807	10,963
Cash flows from investing activities:
Investments in properties	(17,411)	(6,845)
Investments in joint ventures	(4,261)	(4,768)
Return of capital from investments in joint ventures	6,677	17,119
Proceeds from sales of investments available for sale	4,317	42,502
Cash at consolidation of real estate partnership	0	3,704
Proceeds from the sale of assets	741	878
Cash held in escrow	(13)	(152)
Net cash (used in) provided by investing activities	(9,950)	52,438
Cash flows from financing activities:
Proceeds from long-term debt	0	92,070
Repayment of long-term debt	0	(90,000)
Debt issue costs	0	(704)
Distribution to noncontrolling interest	(1,349)	(527)
Repurchase of company stock	0	(264)
Exercise of employee stock options	233	269
Net cash (used in) provided by financing activities	(1,116)	844
Net increase (decrease) in cash and cash equivalents	(2,259)	64,245
Cash and cash equivalents at beginning of year	161,521	73,909
Cash and cash equivalents at end of the period	159,262	138,154
Supplemental disclosure of cash flow information:
Interest	1,475	1,370
Income taxes	$ (1,734)	$ 7