CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-controlling Interest	Total
Beginning Balance (in shares) at Dec. 31, 2015	75,329,557
Beginning Balance at Dec. 31, 2015	$ 892,387	$ 78,851	$ (686)	$ (305,289)	$ 8,184
Increase (Decrease) in Stockholders' Equity
Capital contribution from non-controlling interest					10,353
Capital distribution to non-controlling interest					(600)
Issuance of common stock for director's fees (in shares)	8,919
Issuance of common stock for director's fees	$ 131
Reduction in excess tax benefits on stock options	$ (369)
Repurchase of common shares (in shares)	(995,650)
Repurchase of common shares				(14,820)
Retirement of treasury stock	$ (320,109)			320,109
Other comprehensive income			3,193
Net income		15,895			(431)	$ 15,464
Ending Balance (in shares) at Dec. 31, 2016	74,342,826
Ending Balance at Dec. 31, 2016	$ 572,040	94,746	2,507		17,506
Increase (Decrease) in Stockholders' Equity
Capital contribution from non-controlling interest					193
Capital distribution to non-controlling interest					(2,330)
Issuance of common stock for director's fees (in shares)	5,334
Issuance of common stock for director's fees	$ 76
Repurchase of common shares (in shares)	(8,450,294)
Repurchase of common shares				(147,422)
Retirement of treasury stock	$ (147,422)			147,422
Other comprehensive income			(3,968)
Net income		59,578			(342)	$ 59,236
Ending Balance (in shares) at Dec. 31, 2017	65,897,866					65,897,866
Ending Balance at Dec. 31, 2017	$ 424,694	154,324	(1,461)		15,027	$ 592,584
Increase (Decrease) in Stockholders' Equity
Allocation of ownership interest in Pier Park Crossings JV	(490)				490
Additional ownership interest acquired in Artisan Park, LLC	$ 297				(297)
Capital contribution from non-controlling interest					887
Capital distribution to non-controlling interest					(400)
Issuance of common stock for director's fees (in shares)	2,778
Issuance of common stock for director's fees	$ 71
Issuance of common stock for officer compensation, net of tax withholding	$ 192
Issuance of common stock for officer compensation, net of tax withholding (in shares)	9,956
Repurchase of common shares (in shares)	(5,238,566)
Repurchase of common shares				(93,369)
Retirement of treasury stock	$ (93,369)			$ 93,369
Adoption of ASU 2018-02 Income Statement - Reporting Comprehensive Income		313	(313)
Other comprehensive income			404
Net income		32,369			(767)	$ 31,602
Ending Balance (in shares) at Dec. 31, 2018	60,672,034					60,672,034
Ending Balance at Dec. 31, 2018	$ 331,395	187,450	(674)		$ 14,940	$ 533,111
Increase (Decrease) in Stockholders' Equity
Adoption of ASU | ASU 2014-09		1,140
Adoption of ASU | ASU 2016-01		$ (696)	$ 696