Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2019

Schedule II - Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

QTS REALTY TRUST, INC.

QUALITYTECH, LP

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

December 31, 2019

	Balance at						Balance at
Year Ended December 31,	beginning of		Charge to		Additions/		end of
(dollars in thousands)	period		expenses		(Deductions)		period
Allowance for uncollectible receivables
2019	$	3,764	$	2,859	$	(4,344)	$	2,279
2018		11,453		(2,275)		(5,414)		3,764
2017		4,217		7,375		(139)		11,453
Valuation allowance for deferred tax assets
2019	$	8,361	$	16,386	$	—	$	24,747
2018		713		7,648		—		8,361
2017		393		320		—		713