Capital and Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2018



							Units Outstanding as of December 31,		Balance (in thousands, net of issuance costs) as of December 31,
Preferred Units ⁽¹⁾	Date(s) Issued	Initial Date to Redeem ⁽²⁾	Total Liquidation Value (in thousands) ⁽³⁾		Annual Distribution Rate ⁽⁴⁾		2018	2017	2018		2017
6.625% Series C Cumulative Redeemable Perpetual Preferred Units	Sep 14, 2017	May 15, 2021	$	201,250	$	1.65625	8,050,000	8,050,000	$	219,250	$	219,250
5.875% Series G Cumulative Redeemable Preferred Units	Apr 9, 2013	Apr 9, 2018	250,000		1.46875		10,000,000	10,000,000	241,468		241,468
7.375% Series H Cumulative Redeemable Preferred Units	Mar 26, 2014	Mar 26, 2019	365,000		1.84375		14,600,000	14,600,000	353,290		353,290
6.350% Series I Cumulative Redeemable Preferred Units	Aug 24, 2015	Aug 24, 2020	250,000		1.58750		10,000,000	10,000,000	242,012		242,012
5.250% Series J Cumulative Redeemable Preferred Units	Aug 7, 2017	Aug 7, 2022	200,000		1.31250		8,000,000	8,000,000	193,540		193,540
			$	1,266,250			50,650,000	50,650,000	$	1,249,560	$	1,249,560


(1)	All series of preferred units do not have a stated maturity date and are not subject to any sinking fund or mandatory redemption provisions. Upon liquidation, dissolution or winding up, each series of preferred units will rank senior to Digital Realty Trust, Inc. common units and on parity with the other series of preferred units.

(2)

Except in limited circumstances, reflects earliest date that Digital Realty Trust Inc. may exercise its option to redeem the corresponding series of preferred stock, at a redemption price of $25.00 per share, plus accrued and unpaid dividends up to but excluding the date of redemption. The Operating Partnership is required to redeem the corresponding series of preferred units in the event that the General Partner redeems a series of preferred stock.


(3)	Liquidation preference is $25.00 per unit.


(4)	Distributions on preferred units are cumulative and payable quarterly in arrears.

Schedule of Dividends/Distributions

We have declared and paid the following dividends on our common and preferred stock for the years ended December 31, 2018, 2017 and 2016 (in thousands):



Date dividend declared	Dividend payable date	Series C Preferred Stock			Series E Preferred Stock			Series F Preferred Stock			Series G Preferred Stock		Series H Preferred Stock		Series I Preferred Stock		Series J Preferred Stock			Common Stock
February 17, 2016	March 31, 2016	$	—		$	5,031		$	3,023		$	3,672	$	6,730	$	3,969	$	—		$	131,587	⁽¹⁾
May 11, 2016	June 30, 2016	—			5,031			3,023			3,672		6,730		3,969		—			131,607		⁽¹⁾
August 10, 2016	September 30, 2016	—			—		⁽²⁾	3,023			3,672		6,730		3,969		—			131,657		⁽¹⁾
November 9, 2016	December 30, 2016 for Preferred Stock; January 13, 2017 for Common Stock	—			—			3,023			3,672		6,730		3,969		—			141,882		⁽¹⁾
		$	—		$	10,062		$	12,092		$	14,688	$	26,920	$	15,876	$	—		$	536,733
March 1, 2017	March 31, 2017	$	—		$	—		$	3,023		$	3,672	$	6,730	$	3,969	$	—		$	148,358	⁽³⁾
May 8, 2017	June 30, 2017	—			—			—		⁽⁴⁾	3,672		6,730		3,969		—			150,814		⁽³⁾
August 7, 2017	September 29, 2017	—			—			—			3,672		6,730		3,969		—			191,041		⁽³⁾
November 2, 2017	December 29, 2017 for Preferred Stock; January 12, 2018 for Common Stock	3,963		⁽⁵⁾	—			—			3,672		6,730		3,969		4,200		⁽⁵⁾	191,067		⁽³⁾
		$	3,963		$	—		$	3,023		$	14,688	$	26,920	$	15,876	$	4,200		$	681,280
March 1, 2018	March 30, 2018	$	3,333		$	—		$	—		$	3,672	$	6,730	$	3,969	$	2,625		$	208,015	⁽⁶⁾
May 8, 2018	June 29, 2018	3,333			—			—			3,672		6,730		3,969		2,625			208,071		⁽⁶⁾
August 14, 2018	September 28, 2018	3,333			—			—			3,672		6,730		3,969		2,625			208,166		⁽⁶⁾
November 12, 2018	December 31, 2018 for Preferred Stock; January 15, 2019 for Common Stock	3,333			—			—			3,672		6,730		3,969		2,625			208,415		⁽⁶⁾
		$	13,332		$	—		$	—		$	14,688	$	26,920	$	15,876	$	10,500		$	832,667

Annual rate of dividend per share		$	1.65625		$	1.75000		$	1.65625		$	1.46875	$	1.84375	$	1.58750	$	1.31250


(1)	$3.520 annual rate of dividend per share.

(2)

Redeemed on September 15, 2016 for $25.35972 per share, or a redemption price of $25.00 per share, plus accrued and unpaid dividends up to but not including the redemption date of approximately $4.1 million in the aggregate. In connection with the redemption, the previously incurred offering costs of approximately $10.3 million were recorded as a reduction to net income available to common stockholders.


(3)	$3.720 annual rate of dividend per share.

(4)

Redeemed on April 5, 2017 for $25.01840 per share, or a redemption price of $25.00 per share, plus accrued and unpaid dividends up to but not including the redemption date of approximately $0.1 million in the aggregate. In connection with the redemption, the previously incurred offering costs of approximately $6.3 million were recorded as a reduction to net income available to common stockholders.


(5)	Represents a pro rata dividend from and including the original issue date to and including December 31, 2017.


(6)	$4.040 annual rate of dividend per share.

Schedule of Accumulated Other Comprehensive Income (Loss)

The accumulated balances for each item within other comprehensive income (loss), net are as follows (in thousands):



	Foreign currency translation adjustments			Cash flow hedge adjustments			Foreign currency net investment hedge adjustments			Accumulated other comprehensive income (loss), net
Balance as of December 31, 2016	$	(175,642	)	$	4,888		$	35,149		$	(135,605	)
Net current period change	28,272			5,898			(9,411		)	24,759
Reclassification to interest expense from interest rate swaps	—			2,414			—			2,414
Balance as of December 31, 2017	$	(147,370	)	$	13,200		$	25,738		$	(108,432	)
Net current period change	(11,279		)	7,890			—			(3,389		)
Reclassification to interest expense from interest rate swaps	—			(3,826		)	—			(3,826		)
Balance as of December 31, 2018	$	(158,649	)	$	17,264		$	25,738		$	(115,647	)

Digital Realty Trust, L.P.

Class of Stock [Line Items]

Schedule of Dividends/Distributions

All distributions on our units are at the discretion of Digital Realty Trust, Inc.’s board of directors. We have declared and paid the following distributions on our common and preferred units for the years ended December 31, 2018, 2017 and 2016 (in thousands):



Date distribution declared	Distribution payable date	Series C Preferred Units			Series E Preferred Units			Series F Preferred Units			Series G Preferred Units		Series H Preferred Units		Series I Preferred Units		Series J Preferred Units			Common Units
Feb 17, 2016	March 31, 2016	$	—		$	5,031		$	3,023		$	3,672	$	6,730	$	3,969	$	—		$	131,587	⁽¹⁾
May 11, 2016	June 30, 2016	—			5,031			3,023			3,672		6,730		3,969		—			131,607		⁽¹⁾
Aug 10, 2016	September 30, 2016	—			—		⁽²⁾	3,023			3,672		6,730		3,969		—			131,657		⁽¹⁾
Nov 9, 2016	December 31, 2016 for Preferred Units; January 13, 2017 for Common Units	—			—			3,023			3,672		6,730		3,969		—			144,193		⁽¹⁾
		$	—		$	10,062		$	12,092		$	14,688	$	26,920	$	15,876	$	—		$	539,044
Mar 1, 2017	March 31, 2017	$	—		$	—		$	3,023		$	3,672	$	6,730	$	3,969	$	—		$	150,968	⁽³⁾
May 8, 2017	June 30, 2017	—			—			—		⁽⁴⁾	3,672		6,730		3,969		—			153,176		⁽³⁾
Aug 7, 2017	September 29, 2017	—			—			—			3,672		6,730		3,969		—			199,049		⁽³⁾
Nov 2, 2017	December 29, 2017 for Preferred Units; January 12, 2018 for Common Units	3,963		⁽⁵⁾	—			—			3,672		6,730		3,969		4,200		⁽⁵⁾	199,061		⁽³⁾
		$	3,963		$	—		$	3,023		$	14,688	$	26,920	$	15,876	$	4,200		$	702,254
Mar 1, 2018	March 30, 2018	$	3,333		$	—		$	—		$	3,672	$	6,730	$	3,969	$	2,625		$	216,953	⁽⁶⁾
May 8, 2018	June 29, 2018	3,333			—			—			3,672		6,730		3,969		2,625			216,789		⁽⁶⁾
Aug 14, 2018	September 28, 2018	3,333			—			—			3,672		6,730		3,969		2,625			216,825		⁽⁶⁾
Nov 12, 2018	December 31, 2018 for Preferred Units; January 15, 2019 for Common Units	3,333			—			—			3,672		6,730		3,969		2,625			216,838		⁽⁶⁾
		$	13,332		$	—		$	—		$	14,688	$	26,920	$	15,876	$	10,500		$	867,405

Annual rate of distribution per unit		$	1.65625		$	1.75000		$	1.65625		$	1.46875	$	1.84375	$	1.58750	$	1.31250


(1)	$3.520 annual rate of distribution per unit.

(2)

Redeemed on September 15, 2016 for $25.35972 per unit, or a redemption price of $25.00 per unit, plus accrued and unpaid distributions up to but not including the redemption date of approximately $4.1 million in the aggregate. In connection with the redemption, the previously incurred offering costs of approximately $10.3 million were recorded as a reduction to net income available to common unitholders.


(3)	$3.720 annual rate of distribution per unit.

(4)

Redeemed on April 5, 2017 for $25.01840 per unit, or a redemption price of $25.00 per unit, plus accrued and unpaid distributions up to but not including the redemption date of approximately $0.1 million in the aggregate. In connection with the redemption, the previously incurred offering costs of approximately $6.3 million were recorded as a reduction to net income available to common unitholders.


(5)	Represents a pro rata distribution from and including the original issue date to and including December 31, 2017.


(6)	$4.040 annual rate of distribution per unit.

Schedule of Accumulated Other Comprehensive Income (Loss)

The accumulated balances for each item within other comprehensive income (loss) are as follows (in thousands):



	Foreign currency translation adjustments			Cash flow hedge adjustments			Foreign currency net investment hedge adjustments			Accumulated other comprehensive income (loss)
Balance as of December 31, 2016	$	(180,504	)	$	4,191		$	35,694		$	(140,619	)
Net current period change	28,709			6,108			(9,542		)	25,275
Reclassification to interest expense from interest rate swaps	—			2,459			—			2,459
Balance as of December 31, 2017	$	(151,795	)	$	12,758		$	26,152		$	(112,885	)
Net current period change	(11,736		)	8,197			—			(3,539		)
Reclassification to interest expense from interest rate swaps	—			(3,969		)	—			(3,969		)
Balance as of December 31, 2018	$	(163,531	)	$	16,986		$	26,152		$	(120,393	)