Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of useful lives of real estate investment assets

Buildings	27 to 40 years
Building improvements	1 to 10 years
Leasehold improvements	The shorter of the lease term or useful life of the asset

Schedule of deferred leasing costs, net of amortization

Initial direct costs are included within other assets in the condensed consolidated balance sheets and consisted of the following, net of amortization, as of March 31, 2018, and December 31, 2017 (in thousands):

	March 31,		December 31,
	2018		2017
Internal sales commissions	$	16,503	$	17,402
Third party commissions		11,051		11,802
Other		765		775
Total	$	28,319	$	29,979

ASU 2016-02

Schedule of financial statement impact of new accounting pronouncements

	As Previously Reported		New Lease Standard Adjustment		As Adjusted
Operating lease right-of-use assets	$	—	$	92,984	$	92,984
Operating lease liabilities		—		102,912		102,912
Deferred rent payable		9,928		(9,928)		—

Proposed ASU

Schedule of financial statement impact of new accounting pronouncements

	Currently Reported		Anticipated Adjustment		Adjusted Presentation
Statement of Operations
Three Months Ended March 31, 2018
Rental revenue	$	71,033	$	(71,033)	$	—
Power revenue		36,403		(36,403)		—
Tenant reimbursement and other		2,572		(2,572)		—
Rental, power, and related revenue		—		110,008		110,008
Three Months Ended March 31, 2017
Rental revenue	$	64,251	$	(64,251)	$	—
Power revenue		30,861		(30,861)		—
Tenant reimbursement and other		2,276		(2,276)		—
Rental, power, and related revenue		—		97,388		97,388