CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income:	$ 45,480	$ 26,661	$ 31,602
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	12,788	10,287	8,998
Stock based compensation	45	77	263
Loss (gain) on sale of investments	48	(87)	973
Unrealized loss on investments, net	4,688	5,342	3,035
Other-than-temporary impairment loss			2,330
Equity in loss from unconsolidated affiliates	666	77
Deferred income tax expense (benefit)	8,088	8,378	(4,804)
Impairment loss on investment in real estate	0	0	99
Cost of real estate sold	33,366	22,814	12,235
Expenditures for and acquisition of real estate to be sold	(40,469)	(40,081)	(19,819)
Accretion income and other	(919)	(1,221)	(1,919)
Loss (gain) on disposal of property and equipment	146	(67)	5,223
Gain on land contribution to equity method investment	(19,983)	(2,317)
Gain on insurance for damage to property and equipment, net	(690)	(5,347)
Changes in operating assets and liabilities:
Other assets	(12,991)	1,078	(17)
Other liabilities	4,225	3,728	(1,236)
Income taxes receivable	2,843	1,071	4,457
Net cash provided by operating activities	37,331	30,393	41,420
Cash flows from investing activities:
Expenditures for operating property	(116,085)	(64,851)	(22,762)
Expenditures for property and equipment	(5,689)	(9,354)	(2,615)
Proceeds from the disposition of assets	8	72	5,000
Proceeds from insurance claims	690	12,071
Purchases of investments - debt securities	(58,912)		(6,917)
Purchases of investments - equity securities		(5,797)	(15,105)
Purchases of restricted investments	(24)	(74)	(78)
Maturities of investments - debt securities	11,000	7,000	10,000
Sales of investments - debt securities		2,830	63,597
Sales of investments - equity securities	2,502	26,859	11,051
Sales of restricted investments	1,225	1,159	1,109
Maturities of assets held by special purpose entities	787	787	785
Net cash (used in) provided by investing activities	(164,498)	(29,298)	44,065
Cash flows from financing activities:
Capital contribution from non-controlling interests	7,748	2,546	887
Capital distribution to non-controlling interests	(621)	(600)	(400)
Capital contribution to unconsolidated affiliates	(10,815)	(1,116)	(1,105)
Additional ownership interest in Windmark		(11,619)
Repurchase of common shares	(8,803)	(20,845)	(93,369)
Dividends paid	(4,122)
Borrowings on debt	69,008	23,935	16,644
Principal payments for debt	(1,940)	(1,607)	(1,362)
Principal payments under finance lease obligation	(55)	(36)
Debt issuance costs	(1,791)	(1,149)	(1,158)
Net cash provided by (used in) financing activities	48,609	(10,491)	(79,863)
Net (decrease) increase in cash, cash equivalents and restricted cash	(78,558)	(9,396)	5,622
Cash, cash equivalents and restricted cash at beginning of the year	188,677	198,073	192,451
Cash, cash equivalents and restricted cash at end of the year	$ 110,119	$ 188,677	$ 198,073