CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-controlling Interest	Director	Director Common Stock	Officer	Officer Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of New Accounting Pronouncements, ASU 2014-09 and ASU 2016-01 | Accounting Standards Update 2014-09	$ 1,140		$ 1,140
Adoption of New Accounting Pronouncements, ASU 2014-09 and ASU 2016-01 | Accounting Standards Update 2016-01			(696)	$ 696
Balance (in shares) at Dec. 31, 2017	65,897,866	65,897,866
Balance at beginning period at Dec. 31, 2017	$ 592,584	$ 424,694	154,324	(1,461)	$ 0	$ 15,027
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from non-controlling interest	64					64
Additional ownership interest acquired in Artisan Park, LLC	$ 0	$ 297				(297)
Issuance of common stock (in shares)								0		9,956
Issuance of common stock							$ 28	$ 28	$ 204	$ 204
Repurchase of common shares (in shares)	(764,825)	(764,825)
Repurchase of common shares	$ (13,695)				(13,695)
Adoption of ASU 2018-02 Income Statement - Reporting Comprehensive Income	300		313	(313)
Other comprehensive income	246			246
Net income	$ 625		757			(132)
Balance (in shares) at Mar. 31, 2018	65,142,997	65,142,997
Balance at period end at Mar. 31, 2018	$ 581,196	$ 425,223	$ 155,838	$ (832)	$ (13,695)	$ 14,662