CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 12,830,000	$ 771,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	6,484,000	7,281,000
Stock based compensation	93,000	150,000
Gain on sale of investments	(40,000)	(5,276,000)
Deferred income tax expense	920,000	2,502,000
Cost of real estate sold	5,091,000	10,932,000
Expenditures for and acquisition of real estate to be sold	(5,397,000)	(5,445,000)
Accretion income and other	(1,544,000)	(1,658,000)
Impairment losses	357,000	0
Changes in operating assets and liabilities:
Notes receivable	518,000	21,441,000
Claim settlement receivable	(12,746,000)	0
Other assets	1,646,000	883,000
Other liabilities	412,000	4,479,000
Income taxes receivable	1,948,000	(469,000)
Net cash provided by operating activities	10,572,000	35,591,000
Cash flows from investing activities:
Expenditures for Pier Park North joint venture	(1,365,000)	(5,462,000)
Purchases of property and equipment	(2,413,000)	(2,287,000)
Proceeds from the disposition of assets	3,000	0
Purchases of investments	(308,174,000)	(239,740,000)
Maturities of investments	185,000,000	310,000,000
Sales of investments	83,307,000	323,724,000
Maturities of assets held by special purpose entities	787,000	787,000
Net cash (used in) provided by investing activities	(42,855,000)	387,022,000
Cash flows from financing activities:
Repurchase of common shares	(14,820,000)	(304,924,000)
Borrowings on construction/refinanced loan in Pier Park joint venture	0	6,007,000
Principal payments for debt	(384,000)	(324,000)
Net cash used in financing activities	(15,204,000)	(299,241,000)
Net (decrease) increase in cash and cash equivalents	(47,487,000)	123,372,000
Cash and cash equivalents at beginning of the period	212,773,000	34,515,000
Cash and cash equivalents at end of the period	165,286,000	157,887,000
Cash paid during the period for:
Interest expense	10,921,000	9,991,000
Income taxes	2,302,000	0
Non-cash financing and investing activities:
Increase in Community Development District debt	21,000	586,000
Decrease in pledged treasury securities related to defeased debt	0	346,000
Expenditures for operating properties and property and equipment financed through accounts payable	$ 147,000	$ 1,394,000