Condensed Consolidated and Combined Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues
Rental revenues	$ 16,713	$ 14,899	$ 47,225	$ 42,528
General contracting and real estate services revenues	31,532	21,896	71,261	63,143
Total revenues	48,245	36,795	118,486	105,671
Expenses
Rental expenses	4,414	3,840	12,230	10,468
Real estate taxes	1,480	1,317	4,231	3,777
General contracting and real estate services expenses	30,468	20,907	67,807	60,868
Depreciation and amortization	4,567	3,933	12,593	11,112
General and administrative expenses	1,741	1,638	5,768	5,212
Acquisition, development and other pursuit costs	174		174
Impairment charges	15		15	533
Total expenses	42,859	31,635	102,818	91,970
Operating income	5,386	5,160	15,668	13,701
Interest expense	(2,734)	(2,598)	(7,977)	(9,802)
Loss on extinguishment of debt		(1,127)		(2,252)
Gain on acquisitions				9,460
Other income (loss)	59	(109)	(23)	343
Income before taxes	2,711	1,326	7,668	11,450
Income tax benefit (provision)	43	(74)	(135)	137
Net income	2,754	1,252	7,533	11,587
Net income attributable to noncontrolling interests	(1,139)	(507)	(3,128)	(3,936)
Net income attributable to stockholders	1,615	745	4,405	5,631
Net income per share:
Basic and diluted	$ 0.08	$ 0.04	$ 0.23	$ 0.30
Weighted-average outstanding:
Common shares	20,266	19,164	19,574	18,969
Common units	14,291	13,059	13,905	13,059
Basic and diluted	34,557	32,223	33,479	32,028
Dividends declared per common share and unit	$ 0.16	$ 0.16	$ 0.48	$ 0.24
Predecessor [Member]
Expenses
Net income				$ (2,020)