CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 26,661	$ 31,602	$ 59,236
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	10,287	8,998	8,885
Stock based compensation	77	263	76
(Gain) loss on sale of investments	(87)	973	(10,750)
Unrealized loss on investments, net	5,342	3,035
Other-than-temporary impairment loss		2,330
Other-than-temporary impairment loss			2,288
Equity in loss from unconsolidated affiliates	77
Deferred income tax expense (benefit)	8,378	(4,804)	(17,375)
Impairment loss on investment in real estate		99	714
Gain on sale of vacation rental management			(9,800)
Cost of real estate sold	22,814	12,235	13,727
Expenditures for and acquisition of real estate to be sold	(40,081)	(19,819)	(8,475)
Accretion income and other	(1,221)	(1,919)	(3,159)
Proceeds from insurance claim - business interruption	1,307
(Gain) loss on disposal of property and equipment	(67)	5,223	887
Gain on land contribution to equity method investment	(2,317)
Gain on insurance for damage to property and equipment, net	(5,347)
Changes in operating assets and liabilities:
Other assets	(229)	(17)	(5,582)
Other liabilities	3,728	(1,236)	4,734
Income taxes receivable	1,071	4,457	18,300
Net cash provided by operating activities	30,393	41,420	53,706
Cash flows from investing activities:
Expenditures for operating property	(64,851)	(22,762)	(28,400)
Expenditures for property and equipment	(9,354)	(2,615)	(3,005)
Proceeds from the disposition of assets	72	5,000	2,518
Proceeds from insurance claims	12,071
Purchases of investments - debt securities		(6,917)	(94,791)
Purchases of investments - equity securities	(5,797)	(15,105)	(21,153)
Purchases of restricted investments	(74)	(78)	(75)
Maturities of investments - debt securities	7,000	10,000	13,988
Sales of investments - debt securities	2,830	63,597	151,752
Sales of investments - equity securities	26,859	11,051	21,522
Sales of restricted investments	1,159	1,109	1,233
Maturities of assets held by special purpose entities	787	785	787
Net cash (used in) provided by investing activities	(29,298)	44,065	44,376
Cash flows from financing activities:
Capital contribution from non-controlling interest	2,546	887	193
Capital distribution to non-controlling interest	(600)	(400)	(2,330)
Capital contribution to unconsolidated affiliate	(1,116)	(1,105)
Additional ownership interest in Windmark	(11,619)
Repurchase of common shares	(20,845)	(93,369)	(147,422)
Borrowings on debt	23,935	16,644	1,624
Principal payments for debt	(1,607)	(1,362)	(1,290)
Principal payments under finance lease obligation	(36)
Debt issuance costs	(1,149)	(1,158)	(20)
Net cash used in financing activities	(10,491)	(79,863)	(149,245)
Net (decrease) increase in cash, cash equivalents and restricted cash	(9,396)	5,622	(51,163)
Cash, cash equivalents and restricted cash at beginning of the year	198,073	192,451	243,614
Cash, cash equivalents and restricted cash at end of the year	$ 188,677	$ 198,073	$ 192,451