Income Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Income Per Share [Abstract]

Summary Of Basic And Diluted Earnings Per Share

	Year Ended December 31,
	2012	2011	2010
Net income available to common stockholders	$          171,662	$        130,868	$           58,339
Weighted average shares outstanding—basic	115,717,667	98,405,375	84,275,498
Potentially dilutive common shares:
Stock options	72,818	187,834	201,704
Class C Units (2007 Grant)	-	15,050	97,761
Unvested incentive units	216,092	190,771	186,691
Excess exchange value of the 2026 Debentures	-	370,719	1,251,817
Weighted average shares outstanding—diluted	116,006,577	99,169,749	86,013,471
Income per share:
Basic	$                1.48	$              1.33	$               0.69
Diluted	$                1.48	$              1.32	$               0.68

Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share

	Year Ended December 31,
	2012	2011	2010
Weighted average of Operating Partnership common    units not owned by Digital Realty Trust, Inc.	4,143,713	4,647,629	4,985,674
Potentially dilutive 2029 Debentures	6,486,358	6,328,234	6,217,841
Potentially dilutive Series C Cumulative Convertible    Preferred Stock	814,063	3,016,780	3,671,190
Potentially dilutive Series D Cumulative Convertible    Preferred Stock	4,016,560	6,242,257	8,271,022
Potentially dilutive Series E Cumulative Redeemable    Preferred Stock	4,122,752	1,311,310	-
Potentially dilutive Series F Cumulative Redeemable    Preferred Stock	1,304,940	-	-
	20,888,386	21,546,210	23,145,727