Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

Computations of basic and diluted earnings per share were as follows (in thousands, except per share data):

	Year Ended December 31,
Numerator	2016			2015			2014
Net income attributable to common stockholders	$	17,369		$	137,325		$	22,376
Allocation of income to restricted stock awards	115			(1,757		)	(127		)
Net income attributable to common stockholders after allocation	$	17,484		$	135,568		$	22,249
Allocation of income to restricted stock awards	(115		)	—			127
Amounts attributable to Series A-4 Preferred Stock	—			—			76
Diluted earnings: net income attributable to common stockholders after allocation	$	17,369		$	135,568		$	22,452
Denominator
Weighted average common shares outstanding	65,856			53,686			41,337
Add: dilutive stock options	8			16			16
Add: dilutive restricted stock	457			—			237
Add: dilutive Series A-4 Preferred Stock	—			—			215
Diluted weighted average common shares and securities	66,321			53,702			41,805
Earnings per share available to common stockholders after allocation:
Basic	$	0.27		$	2.53		$	0.54
Diluted	$	0.26		$	2.52		$	0.54

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

the years ended December 31, 2016, 2015 and 2014 (amounts in thousands):

	Year Ended December 31,
	2016	2015	2014
Restricted Stock	—	813	—
Common OP units	2,759	2,863	2,561
Series A-1 preferred OP units	367	388	429
Series A-3 preferred OP units	40	40	40
Series A-4 preferred OP units	634	755	669
Series A-4 Preferred Stock	1,682	2,067	—
Series C preferred OP units	333	340	—
Aspen preferred OP units	1,284	1,284	1,284
Total securities	7,099	8,550	4,983