Consolidate Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 41,156	$ 5,476
Adjustments to reconcile net income to net cash provided by continuing operating activities:
Depreciation, depletion and amortization	5,951	3,084
Deferred income taxes	9,273	101
Equity in loss of joint ventures	2,753	1,985
Gain on remeasurement of invest in real estate partnership	(51,139)	0
Gain on sale of equipment and property	(835)	(3,611)
Stock-based compensation	854	1,171
Realized gain on available for sale investments	0	(242)
Net changes in operating assets and liabilities:
Accounts receivable	554	(777)
Deferred costs and other assets	280	28
Accounts payable and accrued liabilities	819	(439)
Income taxes payable and receivable	940	2,147
Other long-term liabilities	357	187
Net cash provided by operating activities	10,963	9,110
Cash flows from investing activities:
Investments in properties	(6,845)	(1,167)
Investments in joint ventures	(4,768)	(2,107)
Return of capital from investments in joint ventures	17,119	792
Purchases of investments available for sale	0	(24,748)
Proceeds from sales of investments available for sale	42,502	32,703
Cash at consolidation of real estate partnership	3,704	0
Proceeds from the sale of assets	878	5,867
Cash held in escrow	(152)	(3,553)
Net cash provided by investing activities	52,438	7,787
Cash flows from financing activities:
Proceeds from long-term debt	92,070	0
Repayment of long-term debt	(90,000)	0
Debt issue costs	(704)	0
Distribution to noncontrolling interest	(527)	(408)
Repurchase of company stock	(264)	(12,354)
Exercise of employee stock options	269	0
Net cash provided by (used in) financing activities	844	(12,762)
Net increase in cash and cash equivalents	64,245	4,135
Cash and cash equivalents at beginning of year	73,909	26,607
Cash and cash equivalents at end of the period	$ 138,154	$ 30,742