10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________ 

FORM 10-Q

__________________________________ 

(Mark One)

x Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

for the quarterly period ended March 31, 2014

OR

o Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

for the transition period from ______ to ______

Commission file number 000-51262

COLUMBIA PROPERTY TRUST, INC.

(Exact name of registrant as specified in its charter)

__________________________________

Maryland	20-0068852
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

One Glenlake Parkway, Suite 1200

Atlanta, GA 30328

(Address of principal executive offices)

(Zip Code)

(404) 465-2200

(Registrant's telephone number, including area code)

(Former name, former address, and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  x    No  o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

  Yes  x  No  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of "large accelerated filer", "accelerated filer", and "smaller reporting company" in Rule 12b-2 of the Exchange Act (check one).

Large accelerated filer	o	Accelerated filer	o
Non-accelerated filer	x (Do not check if a smaller reporting company)	Smaller reporting company	o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  o    No  x

Number of shares outstanding of the registrant's

only class of common stock, as of April 30, 2014: 124,966,166 shares

FORM 10-Q

COLUMBIA PROPERTY TRUST, INC.

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION		Page No.
Item 1.	Condensed Consolidated Financial Statements	Page 4
	Consolidated Balance Sheets as of March 31, 2014 (unaudited) and December 31, 2013	Page 5
	Consolidated Statements of Operations for the Three Months Ended March 31, 2014 (unaudited) and 2013 (unaudited)	Page 6
	Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2014 (unaudited) and 2013 (unaudited)	Page 7
	Consolidated Statements of Equity for the Three Months Ended March 31, 2014 (unaudited) and 2013 (unaudited)	Page 8
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2014 (unaudited) and 2013 (unaudited)	Page 9
	Condensed Notes to Consolidated Financial Statements (unaudited)	Page 10
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	Page 29
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	Page 37
Item 4.	Controls and Procedures	Page 38
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	Page 38
Item 1A.	Risk Factors	Page 38
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	Page 38
Item 3.	Defaults Upon Senior Securities	Page 38
Item 4.	Mine Safety Disclosures	Page 38
Item 5.	Other Information	Page 39
Item 6.	Exhibits	Page 39

Page 2

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

Certain statements contained in this Quarterly Report on Form 10-Q of Columbia Property Trust, Inc. ("Columbia Property Trust," "we," "our" or "us") other than historical facts may be considered forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. We intend for all such forward-looking statements to be covered by the applicable safe harbor provisions for forward-looking statements contained in those acts. Such statements include, in particular, statements about our plans, strategies, and prospects and are subject to certain risks and uncertainties, including known and unknown risks, which could cause actual results to differ materially from those projected or anticipated. Therefore, such statements are not intended to be a guarantee of our performance in future periods. Such forward-looking statements can generally be identified by our use of forward-looking terminology such as "may," "will," "expect," "intend," "anticipate," "estimate," "believe," "continue," or other similar words. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date this report is filed with the U.S. Securities and Exchange Commission ("SEC"). We make no representations or warranties (express or implied) about the accuracy of any such forward-looking statements contained in this Form 10-Q, and we do not intend to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

Any such forward-looking statements are subject to risks, uncertainties, and other factors and are based on a number of assumptions involving judgments with respect to, among other things, future economic, competitive, and market conditions, all of which are difficult or impossible to predict accurately. To the extent that our assumptions differ from actual conditions, our ability to accurately anticipate results expressed in such forward-looking statements, including our ability to generate positive cash flow from operations, make distributions to stockholders, and maintain the value of our real estate properties, may be significantly hindered. See Item 1A in Columbia Property Trust's Annual Report on Form 10-K for the year ended December 31, 2013 for a discussion of some of the risks and uncertainties that could cause actual results to differ materially from those presented in our forward-looking statements. The risk factors described in our Annual Report are not the only ones we face, but do represent those risks and uncertainties that we believe are material to us. Additional risks and uncertainties not currently known to us or that we currently deem immaterial may also harm our business.

Page 3

PART I. FINANCIAL INFORMATION

ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

The information furnished in the accompanying consolidated balance sheets, and related consolidated statements of operations, comprehensive income, equity and cash flows, reflects all normal and recurring adjustments that are, in management's opinion, necessary for a fair and consistent presentation of the aforementioned financial statements. The accompanying consolidated financial statements should be read in conjunction with the condensed notes to Columbia Property Trust's financial statements and Management's Discussion and Analysis of Financial Condition and Results of Operations included in this Quarterly Report on Form 10-Q, and with Columbia Property Trust's Annual Report on Form 10-K filed for the year ended December 31, 2013. Columbia Property Trust's results of operations for the three months endedMarch 31, 2014 are not necessarily indicative of the operating results expected for the full year.

Page 4

COLUMBIA PROPERTY TRUST, INC.

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per-share amounts)

	(Unaudited)
	March 31, 2014			December 31, 2013
Assets:
Real estate assets, at cost:
Land	$	703,552		$	706,938
Buildings and improvements, less accumulated depreciation of $631,773 and $604,497, as of March 31, 2014 and December 31, 2013, respectively	2,943,522			2,976,287
Intangible lease assets, less accumulated amortization of $307,524 and $298,975, as of March 31, 2014 and December 31, 2013, respectively	271,273			281,220
Construction in progress	10,480			7,949
Total real estate assets	3,928,827			3,972,394
Cash and cash equivalents	86,243			99,855
Tenant receivables, net of allowance for doubtful accounts of $52 as of December 31, 2013	8,140			7,414
Straight line rent receivable	116,343			113,592
Prepaid expenses and other assets	39,969			32,423
Deferred financing costs, less accumulated amortization of $12,578 and $11,938, as of March 31, 2014 and December 31, 2013, respectively	9,588			10,388
Intangible lease origination costs, less accumulated amortization of $219,623 and $216,598, as of March 31, 2014 and December 31, 2013, respectively	140,457			148,889
Deferred lease costs, less accumulated amortization of $30,116 and $27,375, as of March 31, 2014 and December 31, 2013, respectively	98,563			87,527
Investment in development authority bonds	120,000			120,000
Total assets	$	4,548,130		$	4,592,482
Liabilities:
Line of credit and notes payable	$	1,239,452		$	1,240,249
Bonds payable, net of discount of $1,007 and $1,070, as of March 31, 2014 and December 31, 2013, respectively	248,993			248,930
Accounts payable, accrued expenses, and accrued capital expenditures	90,096			99,678
Deferred income	24,628			21,938
Intangible lease liabilities, less accumulated amortization of $79,502 and $76,500, as of March 31, 2014 and December 31, 2013, respectively	70,783			73,864
Obligations under capital leases	120,000			120,000
Total liabilities	1,793,952			1,804,659
Commitments and Contingencies (Note 6)	—			—
Equity:
Common stock, $0.01 par value, 900,000,000 shares authorized, 124,964,454 and 124,830,122 shares issued and outstanding as of March 31, 2014 and December 31, 2013, respectively	1,249			1,248
Additional paid-in capital	4,600,355			4,600,166
Cumulative distributions in excess of earnings	(1,844,373		)	(1,810,284		)
Other comprehensive loss	(3,053		)	(3,307		)
Total equity	2,754,178			2,787,823
Total liabilities and equity	$	4,548,130		$	4,592,482

See accompanying notes.

Page 5

COLUMBIA PROPERTY TRUST, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per-share amounts)

	(Unaudited)
	Three months ended March 31,
	2014			2013
Revenues:
Rental income	$	100,567		$	101,306
Tenant reimbursements	23,733			22,244
Hotel income	4,061			4,954
Other property income	807			288
	129,168			128,792
Expenses:
Property operating costs	38,980			37,584
Hotel operating costs	4,141			4,261
Asset and property management fees:
Related-party	—			4,693
Other	289			613
Depreciation	27,304			26,710
Amortization	18,521			19,902
Impairment loss on real estate assets	13,550			—
General and administrative	6,946			36,819
	109,731			130,582
Real estate operating income (loss)	19,437			(1,790		)
Other income (expense):
Interest expense	(17,910		)	(26,134		)
Interest and other income	1,810			9,111
Gain (loss) on interest rate swaps	(230		)	57
	(16,330		)	(16,966		)
Income (loss) before income tax benefit	3,107			(18,756		)
Income tax benefit	344			101
Income (loss) from continuing operations	3,451			(18,655		)
Discontinued operations:
Operating income (loss) from discontinued operations	277			(13,967		)
Gain (loss) on disposition of discontinued operations	(328		)	10,014
Loss from discontinued operations	(51		)	(3,953		)
Net income (loss)	$	3,400		$	(22,608	)
Per-share information – basic:
Income (loss) from continuing operations	$	0.03		$	(0.14	)
Income (loss) from discontinued operations	$	0.00		$	(0.03	)
Net income (loss)	$	0.03		$	(0.17	)
Weighted-average common shares outstanding – basic	124,851			136,521
Per-share information – diluted:
Income (loss) from continuing operations	$	0.03		$	(0.14	)
Income (loss) from discontinued operations	$	0.00		$	(0.03	)
Net income (loss)	$	0.03		$	(0.17	)
Weighted-average common shares outstanding – diluted	124,887			136,521
Dividends per share	$	0.300		$	0.380

See accompanying notes.

Page 6

COLUMBIA PROPERTY TRUST, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

	(Unaudited)
	Three months ended March 31,
	2014		2013
Net income (loss)	$	3,400	$	(22,608	)
Foreign currency translation adjustment realized in discontinued operations	—		(83		)
Market value adjustment to interest rate swap	254		549
Comprehensive income (loss)	$	3,654	$	(22,142	)

See accompanying notes.

Page 7

COLUMBIA PROPERTY TRUST, INC.

CONSOLIDATED STATEMENTS OF EQUITY

FOR THE THREE MONTHS ENDED MARCH 31, 2014 AND 2013 (UNAUDITED)

(in thousands, except per-share amounts)

	Stockholders' Equity
	Common Stock			Additional Paid-In Capital		Cumulative Distributions in Excess of Earnings			Other Comprehensive Income (Loss)			Total Equity
	Shares	Amount
Balance, December 31, 2013	124,830	$	1,248	$	4,600,166	$	(1,810,284	)	$	(3,307	)	$	2,787,823
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)	134	1		189		—			—			190
Distributions to common stockholders ($0.30 per share)	—	—		—		(37,489		)	—			(37,489		)
Net income	—	—		—		3,400			—			3,400
Market value adjustment to interest rate swap	—	—		—		—			254			254
Balance, March 31, 2014	124,964	$	1,249	$	4,600,355	$	(1,844,373	)	$	(3,053	)	$	2,754,178

	Stockholders' Equity
	Common Stock					Additional Paid-In Capital(1)			Cumulative Distributions in Excess of Earnings			Redeemable Common Stock			Other Comprehensive Income (Loss)			Total  Equity
	Shares(1)		Amount(1)
Balance, December 31, 2012	136,901		$	1,369		$	4,901,889		$	(1,634,531	)	$	(99,526	)	$	(5,221	)	$	3,163,980
Issuance of common stock	818		8			22,885			—			—			—			22,893
Redemptions of common stock	(1,536	)	(15		)	(38,738		)	—			—			—			(38,753		)
Increase in redeemable common stock	—		—			—			—			(59,981		)	—			(59,981		)
Distributions to common stockholders ($0.38 per share)	—		—			—			(51,646		)	—			—			(51,646		)
Offering costs	—		—			(97		)	—			—			—			(97		)
Net loss	—		—			—			(22,608		)	—			—			(22,608		)
Foreign currency translation adjustment	—		—			—			—			—			(83		)	(83		)
Market value adjustment to interest rate swap	—		—			—			—			—			549			549
Balance, March 31, 2013	136,183		$	1,362		$	4,885,939		$	(1,708,785	)	$	(159,507	)	$	(4,755	)	$	3,014,254

⁽¹⁾ All share amounts and computations using such amounts have been retroactively adjusted to reflect the August 14, 2013 four-for-one reverse stock split (see Note 7, Equity).

See accompanying notes.

Page 8

COLUMBIA PROPERTY TRUST, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

	(Unaudited)
	Three months ended March 31,
	2014			2013
Cash Flows from Operating Activities:
Net income (loss)	$	3,400		$	(22,608	)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Straight-line rental income	(2,356		)	(6,593		)
Depreciation	27,304			30,627
Amortization	18,245			21,329
Impairment losses on real estate assets	13,550			16,867
Noncash interest expense	736			858
Gain on interest rate swaps	(1,097		)	(1,678		)
Loss (gain) on sale of discontinued operations	328			(10,014		)
Stock-based compensation expense	507			—
Changes in assets and liabilities, net of acquisitions:
Decrease (increase) in tenant receivables, net	(1,594		)	3,945
Decrease (increase) in prepaid expenses and other assets	2,426			(5,942		)
Decrease in accounts payable and accrued expenses	(6,348		)	(1,661		)
Increase in due to affiliates	—			25,280
Increase (decrease) in deferred income	2,690			(1,886		)
Net cash provided by operating activities	57,791			48,524
Cash Flows from Investing Activities:
Net proceeds from the sale of real estate	—			65,928
Earnest money paid	(10,000		)	—
Capital improvements	(12,773		)	(9,197		)
Deferred lease costs paid	(10,495		)	(2,857		)
Net cash provided by (used in) investing activities	(33,268		)	53,874
Cash Flows from Financing Activities:
Financing costs paid	—			(41		)
Proceeds from lines of credit and notes payable	—			69,000
Repayments of lines of credit and notes payable	(646		)	(86,609		)
Issuance of common stock	—			22,893
Redemptions of common stock	—			(40,854		)
Distributions paid to stockholders	(37,489		)	(28,753		)
Distributions paid to stockholders and reinvested in shares of our common stock	—			(22,893		)
Tender offer and offering costs paid	—			(72		)
Net cash used in financing activities	(38,135		)	(87,329		)
Net increase (decrease) in cash and cash equivalents	(13,612		)	15,069
Effect of foreign exchange rate on cash and cash equivalents	—			(103		)
Cash and cash equivalents, beginning of period	99,855			53,657
Cash and cash equivalents, end of period	$	86,243		$	68,623

See accompanying notes.

Page 9

COLUMBIA PROPERTY TRUST, INC.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

MARCH 31, 2014

(unaudited)

1. Organization

Columbia Property Trust, Inc ("Columbia Property Trust") (NYSE: CXP) is a Maryland corporation that operates in a manner as to qualify as a real estate investment trust ("REIT") for federal income tax purposes and engages in the acquisition and ownership of commercial real estate properties, including properties that have operating histories, are newly constructed, or are under construction. Columbia Property Trust was incorporated in 2003, commenced operations in 2004, and conducts business primarily through Columbia Property Trust Operating Partnership, L.P. ("Columbia Property Trust OP"), a Delaware limited partnership. Columbia Property Trust is the general partner and sole owner of Columbia Property Trust OP and possesses full legal control and authority over its operations. Columbia Property Trust OP acquires, develops, owns, leases, and operates real properties directly, through wholly owned subsidiaries, or through joint ventures. References to Columbia Property Trust, "we," "us," or "our" herein shall include Columbia Property Trust and all subsidiaries of Columbia Property Trust, direct and indirect, and consolidated joint ventures.

Columbia Property Trust typically invests in high-quality, income-generating office properties leased to creditworthy companies and governmental entities. As of March 31, 2014, Columbia Property Trust owned controlling interests in 42 office properties and one hotel, which includes 59operational buildings. These properties are comprised of approximately 16.8 million square feet of commercial space and are located in 13 states and the District of Columbia. As of March 31, 2014, 41 of the office properties were wholly owned and the remaining property was owned through a consolidated subsidiary; the office properties were approximately 92.4% leased.

2. Summary of Significant Accounting Policies

Basis of Presentation

The consolidated financial statements of Columbia Property Trust have been prepared in accordance with the rules and regulations of the U.S. Securities and Exchange Commission ("SEC"), including the instructions to Form 10-Q and Article 10 of Regulation S-X, and do not include all of the information and footnotes required by U.S. generally accepted accounting principles ("GAAP") for complete financial statements. In the opinion of management, the statements for these unaudited interim periods presented include all adjustments, which are of a normal and recurring nature, necessary for a fair and consistent presentation of the results for such periods. Results for these interim periods are not necessarily indicative of a full year's results. Columbia Property Trust's consolidated financial statements include the accounts of Columbia Property Trust, Columbia Property Trust OP, and any variable interest entity in which Columbia Property Trust or Columbia Property Trust OP was deemed the primary beneficiary. With respect to entities that are not variable interest entities, Columbia Property Trust's consolidated financial statements also include the accounts of any entity in which Columbia Property Trust, Columbia Property Trust OP, or their subsidiaries own a controlling financial interest and any limited partnership in which Columbia Property Trust, Columbia Property Trust OP, or its subsidiaries own a controlling general partnership interest. All intercompany balances and transactions have been eliminated in consolidation. For further information, refer to the financial statements and footnotes included in Columbia Property Trust's Annual Report on Form 10-K for the year ended December 31, 2013.

Fair Value Measurements

Columbia Property Trust estimates the fair value of its assets and liabilities (where currently required under GAAP) consistent with the provisions of Accounting Standard Codification ("ASC") 820, Fair Value Measurements ("ASC 820"). Under this standard, fair value is defined as the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date. While various techniques and assumptions can be used to estimate fair value depending on the nature of the asset or liability, the accounting standard for fair value measurements and disclosures provides the following fair value technique parameters and hierarchy, depending upon availability:

Level 1 – Assets or liabilities for which the identical term is traded on an active exchange, such as publicly traded instruments or futures contracts.

Level 2 – Assets and liabilities valued based on observable market data for similar instruments.

Level 3 – Assets or liabilities for which significant valuation assumptions are not readily observable in the market. Such assets or liabilities are valued based on the best available data, some of which may be internally developed. Significant assumptions may include risk premiums that a market participant would consider.

Page 10

Real Estate Assets

Columbia Property Trust is required to make subjective assessments as to the useful lives of its depreciable assets. Columbia Property Trust considers the period of future benefit of the asset to determine the appropriate useful lives. These assessments have a direct impact on net income. The estimated useful lives of its assets by class are as follows:

Buildings	40 years
Building improvements	5-25 years
Site improvements	15 years
Tenant improvements	Shorter of economic life or lease term
Intangible lease assets	Lease term

Evaluating the Recoverability of Real Estate Assets

Columbia Property Trust continually monitors events and changes in circumstances that could indicate that the carrying amounts of its real estate and related intangible assets, of both operating properties and properties under construction, in which Columbia Property Trust has an ownership interest, either directly or through investments in joint ventures, may not be recoverable. When indicators of potential impairment are present that suggest that the carrying amounts of real estate assets and related intangible assets (liabilities) may not be recoverable, Columbia Property Trust assesses the recoverability of these assets by determining whether the respective carrying values will be recovered through the estimated undiscounted future operating cash flows expected from the use of the assets and their eventual disposition. In the event that such expected undiscounted future cash flows do not exceed the carrying values, Columbia Property Trust adjusts the carrying value of the real estate assets and related intangible assets to the estimated fair values, pursuant to the property, plant, and equipment accounting standard for the impairment or disposal of long-lived assets, and recognizes an impairment loss. Estimated fair values are calculated based on the following information, in order of preference, depending upon availability: (i) recently quoted market prices, (ii) market prices for comparable properties, or (iii) the present value of future cash flows, including estimated salvage value. Certain of Columbia Property Trust's assets may be carried at more than an amount that could be realized in a current disposition transaction.

Projections of expected future operating cash flows require that Columbia Property Trust estimates future market rental income amounts subsequent to the expiration of current lease agreements, property operating expenses, the number of months it takes to re-lease the property, and the number of years the property is held for investment, among other factors. The subjectivity of assumptions used in the future cash flow analysis, including discount rates, could result in an incorrect assessment of the property's fair value and could result in the misstatement of the carrying value of Columbia Property Trust's real estate assets and related intangible assets and net income (loss).

In connection with furthering its portfolio repositioning efforts, in the first quarter of 2013, Columbia Property Trust initiated a process to market 18 properties for sale (the "18 Property Sale"). Pursuant to the accounting policy outlined above, Columbia Property Trust evaluated the recoverability of the carrying values of each of these properties and determined that the 120 Eagle Rock property in East Hanover, New Jersey, and the 333 & 777 Republic Drive property in Allen Park, Michigan, were no longer recoverable due to shortening the respective expected property holding periods in connection with these repositioning efforts. As a result, Columbia Property Trust reduced the carrying value of the 120 Eagle Rock property and the 333 & 777 Republic Drive property to reflect their respective fair values, estimated based on projected discounted future cash flows and recorded corresponding property impairment losses, of $11.7 million and $5.2 million, respectively, in the first quarter of 2013, which are included in operating income (loss) from discontinued operations in the accompanying statement of operations. In connection with finalizing the terms of the 18 Property Sale agreement in the fourth quarter of 2013, Columbia Property Trust reduced the aggregate carrying value of the assets included therein to fair value, as estimated based on the approximate net contract price (Level 2) of $500 million, by recognizing an additional impairment loss of $12.9 million in the third quarter of 2013.

Columbia Property Trust has revised its investment strategy for the 180 Park Avenue, #103 building in Florham Park, New Jersey to sell the property to a user in the near-term. As a result, management reduced its intended holding period for the property and reevaluated its carrying value as of March 31, 2014 pursuant to the accounting policy outlined above. Columbia Property Trust concluded that the 180 Park Avenue, #103 building was not recoverable and reduced its carrying value to reflect its fair value, estimated based on recently quoted market prices (Level 2), by recording an impairment loss of approximately $13.6 million, in the first quarter of 2014.

The fair value measurements used in the evaluation of the 120 Eagle Rock property and the 333 & 777 Republic Drive property are considered to be Level 3 valuations within the fair value hierarchy outlined above, as there are significant unobservable inputs. Examples of inputs that were utilized in the fair value calculations include estimated holding periods, discount rates, market

Page 11

capitalization rates, expected lease rental rates, and potential sales prices. The table below represents the detail of the adjustments recognized using Level 3 inputs.

For the three months ended March 31, 2013 (in thousands):

Property	Net Book Value		Impairment Loss Recognized			Fair Value
120 Eagle Rock	$	23,808	$	(11,708	)	$	12,100
333 & 777 Republic Drive	$	13,359	$	(5,159	)	$	8,200

Assets Held for Sale

Columbia Property Trust classifies assets as held for sale according to ASC 360, Accounting for the Impairment or Disposal of Long-Lived Assets ("ASC 360"). According to ASC 360, assets are considered held for sale when the following criteria are met:

• Management, having the authority to approve the action, commits to a plan to sell the property.

• The property is available for immediate sale in its present condition subject only to terms that are usual and customary for sales of such property.

• An active program to locate a buyer and other actions required to complete the plan to sell the property have been initiated.

• The sale of the property is probable, and transfer of the property is expected to qualify for recognition as a completed sale, within one year.

• The property is being actively marketed for sale at a price that is reasonable in relation to its current fair value.

• Actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn.

At such time that a property is determined to be held for sale, its carrying amount is reduced to the lower of its depreciated book value or its estimated fair value, less costs to sell, and depreciation is no longer recognized. As of March 31, 2014, none of Columbia Property Trust's properties met the criteria to be classified as held for sale in the accompanying balance sheet.

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessor

Upon the acquisition of real properties, Columbia Property Trust allocates the purchase price of properties to tangible assets, consisting of land, building, site improvements, and identified intangible assets and liabilities, including the value of in-place leases, based in each case on Columbia Property Trust's estimate of their fair values in accordance with ASC 820 (see Fair Value Measurements section above for additional detail). As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following gross intangible in-place lease assets and liabilities (in thousands):

		Intangible Lease Assets						Intangible Lease Origination Costs			Intangible Below-Market In-Place Lease Liabilities
		Above-Market In-Place Lease Assets			Absorption Period Costs
March 31, 2014	Gross	$	80,691		$	387,433		$	360,080		$	150,285
	Accumulated Amortization	(58,070		)	(235,886		)	(219,623		)	(79,502		)
	Net	$	22,621		$	151,547		$	140,457		$	70,783
December 31, 2013	Gross	$	80,836		$	388,686		$	365,487		$	150,364
	Accumulated Amortization	(56,859		)	(229,065		)	(216,598		)	(76,500		)
	Net	$	23,977		$	159,621		$	148,889		$	73,864

Columbia Property Trust recognized the following amortization of intangible lease assets and liabilities (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the three months ended March 31, 2014	$	1,356	$	8,073	$	8,432	$	3,081
For the three months ended March 31, 2013	$	1,685	$	10,136	$	9,923	$	3,726

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The remaining net intangible assets and liabilities as of March 31, 2014 will be amortized as follows (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the nine months ending December 31, 2014	$	4,047	$	23,823	$	24,428	$	9,200
For the years ending December 31:
2015	4,555		28,323		29,338		10,860
2016	3,823		21,786		22,426		8,513
2017	1,954		16,087		15,980		6,477
2018	1,150		12,407		11,542		5,787
2019	1,083		11,293		10,437		5,226
Thereafter	6,009		37,828		26,306		24,720
	$	22,621	$	151,547	$	140,457	$	70,783

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessee

In-place ground leases where Columbia Property Trust is the lessee may have value associated with effective contractual rental rates that are above or below market rates at the time of execution or assumption. Such values are calculated based on the present value (using a discount rate that reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place lease and (ii) management's estimate of fair market lease rates for the corresponding in-place lease at the time of execution or assumption, measured over a period equal to the remaining terms of the leases. The capitalized above-market and below-market in-place lease values are recorded as intangible lease liabilities and assets, respectively, and are amortized as an adjustment to property operating cost over the remaining term of the respective leases. Columbia Property Trust had gross below-market lease assets of approximately $110.7 million as of March 31, 2014 and December 31, 2013, and recognized amortization of these assets of approximately $0.5 million for the three months ended March 31, 2014 and 2013.

As of March 31, 2014, the remaining net below-market lease asset will be amortized as follows (in thousands):

For the nine months ending December 31, 2014	$	1,551
For the years ending December 31:
2015	2,069
2016	2,069
2017	2,069
2018	2,069
2019	2,069
Thereafter	85,209
	$	97,105

Prepaid Expenses and Other Assets

Prepaid expenses and other assets primarily are comprised of escrow accounts held by lenders to pay future real estate taxes, insurance and tenant improvements, notes receivable, nontenant receivables, prepaid taxes, insurance and operating costs, certain corporate assets, hotel inventory, and deferred tax assets. Prepaid expenses and other assets will be expensed as incurred or reclassified to other asset accounts upon being put into service in future periods.     

Interest Rate Swap Agreements

Columbia Property Trust enters into interest rate swap contracts to mitigate its interest rate risk on the related financial instruments. Columbia Property Trust does not enter into derivative or interest rate swap transactions for speculative purposes; however, certain of its derivatives may not qualify for hedge accounting treatment. Columbia Property Trust records the fair value of its interest rate swaps either as prepaid expenses and other assets or as accounts payable, accrued expenses, and accrued capital expenditures. Changes in the fair value of the effective portion of interest rate swaps that are designated as cash flow hedges are recorded as

Page 13

other comprehensive income, while changes in the fair value of the ineffective portion of a hedge, if any, is recognized currently in earnings. Changes in the fair value of interest rate swaps that do not qualify for hedge accounting treatment are recorded as gain (loss) on interest rate swaps. Amounts received or paid under interest rate swap agreements are recorded as interest expense for contracts that qualify for hedge accounting treatment and as gain (loss) on interest rate swaps for contracts that do not qualify for hedge accounting treatment.

The following tables provide additional information related to Columbia Property Trust's interest rate swaps (in thousands):

		Estimated Fair Value as of
Instrument Type	Balance Sheet Classification	March 31, 2014			December 31, 2013
Derivatives designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(3,053	)	$	(3,307	)
Derivatives not designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(6,481	)	$	(7,579	)

Columbia Property Trust applied the provisions of ASC 820 in recording its interest rate swaps at fair value. The fair values of the interest rate swaps, classified under Level 2, were determined using a third-party proprietary model that is based on prevailing market data for contracts with matching durations, current and anticipated London Interbank Offered Rate ("LIBOR") information, and reasonable estimates about relevant future market conditions. Columbia Property Trust has determined that the fair value, as determined by the third party, is reasonable. The fair value of Columbia Property Trust's interest rate swaps were $(9.5) million and $(10.9) million at March 31, 2014 and December 31, 2013, respectively.

	Three months ended March 31,
	2014			2013
Market value adjustment to interest rate swaps designated as hedging instruments and included in   other comprehensive income	$	254		$	549
Gain (loss) on interest rate swap recognized through earnings	$	(230	)	$	57

During the periods presented, there was no hedge ineffectiveness required to be recognized into earnings on the interest rate swaps that qualified for hedge accounting treatment.

Income Taxes

Columbia Property Trust has elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended (the "Code"), and has operated as such beginning with its taxable year ended December 31, 2003. To qualify as a REIT, Columbia Property Trust must meet certain organizational and operational requirements, including a requirement to distribute at least 90% of its REIT taxable income, as defined by the Code, to its stockholders. As a REIT, Columbia Property Trust generally is not subject to income tax on income it distributes to stockholders. Columbia Property Trust's stockholder distributions typically exceed its taxable income due to the inclusion of noncash expenses, such as depreciation, in taxable income. As a result, Columbia Property Trust typically does not incur federal income taxes other than as described in the following paragraph. Columbia Property Trust is, however, subject to certain state and local taxes related to the operations of properties in certain locations, which have been provided for in the accompanying consolidated financial statements.

Columbia Property Trust TRS, LLC ("Columbia Property Trust TRS"), Columbia KCP TRS, LLC ("Columbia KCP TRS"), and Columbia Energy TRS, LLC ("Columbia Energy TRS") (collectively, the "TRS Entities") are wholly owned subsidiaries of Columbia Property Trust, are organized as Delaware limited liability companies, and operate, among other things, a full-service hotel. Columbia Property Trust has elected to treat the TRS Entities as taxable REIT subsidiaries. Columbia Property Trust may perform certain additional, noncustomary services for tenants of its buildings through the TRS Entities; however, any earnings related to such services are subject to federal and state income taxes. In addition, for Columbia Property Trust to continue to qualify as a REIT, Columbia Property Trust must limit its investments in taxable REIT subsidiaries to 25% of the value of the total assets. The TRS Entities' deferred tax assets and liabilities represent temporary differences between the financial reporting basis and the tax basis of assets and liabilities based on the enacted rates expected to be in effect when the temporary differences reverse. If applicable, Columbia Property Trust records interest and penalties related to uncertain tax positions as general and administrative expense in the accompanying consolidated statements of operations.

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Reclassification

Certain prior period amounts have been reclassified to provide additional detail, or to conform with the current-period financial statement presentation, including discontinued operations (see Note 10, Discontinued Operations).

Recent Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (the "FASB") issued Accounting Standards Update 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity ("ASU 2014-08"). As a result, beginning with our Quarterly Report on Form 10-Q for the three months ended March 31, 2015, Columbia Property Trust will be required to reflect in discontinued operations only those real estate asset sales representing a strategic shift in operations (e.g. a disposal of a major geographical area or a major line of business). Currently, Columbia Property Trust is generally required to reflect all real estate asset sales as discontinued operations, which requires reclassification of the operations of the sold assets from continuing operations for all periods presented. Early adoption is permitted, but only for real estate asset sales that have not been previously reflected as discontinued operations. Columbia Property Trust did not have any real estate sales during the three months ended March 31, 2014.  However, Columbia Property Trust may elect to early adopt ASU 2014-08 in conjunction with a real estate sale during 2014.

3. Real Estate and Other Transactions

Acquisitions

Columbia Property Trust did not acquire any properties during the three months ended March 31, 2014. On April 22, 2014, Columbia Property Trust acquired a 388,000 square foot office building in San Francisco, California (the "221 Main Street Building"), for $228.8 million, exclusive of transaction costs. The acquisition was funded with a $73.0 million assumed mortgage note, $116.0 million of borrowings on the JPMorgan Chase Credit Facility and cash on hand. An earnest money deposit of $10.0 million was prepaid for this transaction in March 2014, and is included in prepaid expenses and other assets in the accompanying consolidated balance sheet.

As described in Note 9, Related-Party Transactions and Agreements, Columbia Property Trust acquired Columbia Property Trust Advisory Services, LLC ("Columbia Property Trust Advisory Services") and Columbia Property Trust Services, LLC ("Columbia Property Trust Services") on February 28, 2013. The following unaudited pro forma statements of operations presented for the three months endedMarch 31, 2013 have been prepared for Columbia Property Trust to give effect to the acquisitions of Columbia Property Trust Advisory Services and Columbia Property Trust Services as if the acquisitions occurred on January 1, 2013. The following unaudited pro forma financial results for Columbia Property Trust have been prepared for informational purposes only and are not necessarily indicative of future results or of actual results that would have been achieved had the acquisitions of Columbia Property Trust Advisory Services and Columbia Property Trust Services been consummated as of January 1, 2013 (in thousands).

	Three months ended March 31,
	2014	2013
Revenues	*	$	130,021
Net income attributable to common stockholders	*	$	11,169

* Columbia Property Trust owned Columbia Property Trust Advisory Services and Columbia Property Trust Services for all of the three months ended March 31, 2014.

Dispositions

On March 21, 2013, Columbia Property Trust closed on the sale of the Dvintsev Business Center - Tower B Building in Moscow, Russia, and its holding entity, Landlink Ltd., which was 100% owned by Columbia Property Trust, for $67.5 million, exclusive of transaction costs, resulting in a gain on disposition of discontinued operations in the accompanying consolidated statement of operations of $10.0 million.

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4. Line of Credit and Notes Payable

As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following line of credit and notes payable indebtedness outstanding (excluding bonds payable; see Note 5, Bonds Payable) in thousands:

Facility	March 31, 2014		December 31, 2013
$450 Million Term Loan	$	450,000	$	450,000
Market Square Buildings mortgage note	325,000		325,000
333 Market Street Building mortgage note	207,374		207,559
100 East Pratt Street Building mortgage note	105,000		105,000
263 Shuman Boulevard Building mortgage note	49,000		49,000
SanTan Corporate Center mortgage notes	39,000		39,000
One Glenlake Building mortgage note	34,068		34,713
215 Diehl Road Building mortgage note	21,000		21,000
544 Lakeview Building mortgage note	9,010		8,977
JPMorgan Chase Credit Facility	—		—
Total indebtedness	$	1,239,452	$	1,240,249

The estimated fair value of Columbia Property Trust's line of credit and notes payable as of March 31, 2014 and December 31, 2013 was approximately $1,251.9 million and $1,245.3 million, respectively. Columbia Property Trust estimated the fair value of its JPMorgan Chase Credit Facility (the "JPMorgan Chase Credit Facility") by obtaining estimates for similar facilities from multiple market participants as of the respective reporting dates. Therefore, the fair values determined are considered to be based on observable market data for similar instruments (Level 2). The fair values of all other debt instruments were estimated based on discounted cash flow analyses using the current incremental borrowing rates for similar types of borrowing arrangements as of the respective reporting dates. The discounted cash flow method of assessing fair value results in a general approximation of value, and such value may never actually be realized. During the three months ended March 31, 2014 and 2013, Columbia Property Trust made interest payments of approximately $13.0 million and $15.0 million, respectively. There was no interest capitalized in either period. As of March 31, 2014, Columbia Property Trust believes it was in compliance with the restrictive covenants on its $450 Million Term Loan (the "$450 Million Term Loan"), JPMorgan Chase Credit Facility, and notes payable obligations.

5. Bonds Payable

In 2011, Columbia Property Trust OP issued $250.0 million of seven-year, unsecured 5.875% senior notes at 99.295% of their face value (the "2018 Bonds Payable"), which are guaranteed by Columbia Property Trust. Columbia Property Trust OP received proceeds from the 2018 Bonds Payable, net of fees, of $246.7 million. The 2018 Bonds Payable require semi-annual interest payments in April and October based on a contractual annual interest rate of 5.875%, which is subject to adjustment in certain circumstances. In the accompanying consolidated balance sheets, the 2018 Bonds Payable are shown net of the initial issuance discount of approximately $1.8 million, which is amortized to interest expense over the term of the 2018 Bonds Payable using the effective interest method. The principal amount of the 2018 Bonds Payable is due and payable on the maturity date, April 1, 2018. No interest payments were made on the 2018 Bonds Payable during the three months ended March 31, 2014 or 2013. As of March 31, 2014, Columbia Property Trust believes it was in compliance with the restrictive covenants on the 2018 Bonds Payable.

The estimated fair value of the 2018 Bonds Payable as of March 31, 2014 and December 31, 2013 was approximately $250.8 million. The fair value of the 2018 Bonds Payable was estimated based on discounted cash flow analyses using the current incremental borrowing rates for similar types of borrowing as the 2018 Bonds Payable arrangements as of the respective reporting dates (Level 2). The discounted cash flow method of assessing fair value results in a general approximation of value, and such value may never actually be realized.

6. Commitments and Contingencies

Commitments Under Existing Lease Agreements

Certain lease agreements include provisions that, at the option of the tenant, may obligate Columbia Property Trust to expend capital to expand an existing property or provide other expenditures for the benefit of the tenant. As of March 31, 2014, no such options have been exercised that have not been materially satisfied.

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Litigation

Columbia Property Trust is subject to various legal proceedings, claims and administrative proceedings arising in the ordinary course of business, some of which are expected to be covered by liability insurance. Management makes assumptions and estimates concerning the likelihood and amount of any reasonably possible loss relating to these matters using the latest information available. Columbia Property Trust records a liability for litigation if an unfavorable outcome is probable and the amount of loss or range of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, Columbia Property Trust accrues the best estimate within the range. If no amount within the range is a better estimate than any other amount, Columbia Property Trust accrues the minimum amount within the range. If an unfavorable outcome is probable but the amount of the loss cannot be reasonably estimated, Columbia Property Trust discloses the nature of the litigation and indicates that an estimate of the loss or range of loss cannot be made. If an unfavorable outcome is reasonably possible and the estimated loss is material, Columbia Property Trust discloses the nature and estimate of the possible loss of the litigation. Columbia Property Trust does not disclose information with respect to litigation where the possibility of an unfavorable outcome is considered to be remote. Based on current expectations, such matters, both individually and in the aggregate, are not expected to have a material adverse effect on the liquidity, results of operations, business or financial condition of Columbia Property Trust. Columbia Property Trust is not currently involved in any legal proceedings of which management would consider the outcome to be reasonably likely to have a material adverse effect on the results of operations or financial condition of Columbia Property Trust.

7. Stockholders' Equity

2013 Long-Term Incentive Plan

Columbia Property Trust maintains a long-term incentive plan that provides for grants of stock to be made to certain employees and independent directors of Columbia Property Trust (the "2013 Long-Term Incentive Plan").The 2013 Long-Term Incentive Plan was approved by Columbia Property Trust's shareholders in July 2013. A total of 2,000,000 shares are authorized and reserved for issuance under the 2013 Long-Term Incentive Plan.

On January 21, 2014, Columbia Property Trust granted 143,740 shares of common stock to employees, net of 12,752 shares withheld to settle the related tax liability, under the 2013 Long-Term Incentive Plan (the "2013 LTIP Employee Grant"), of which 25% vested upon grant, and the remaining shares will vest ratably, with the passage of time, on January 31, 2015, 2016, and 2017. Employees will receive quarterly dividends related to their entire grant, including the unvested shares, on each dividend payment date. A summary of the activity for the employee stock grants under the 2013 Long-Term Incentive Plan for the three months ended March 31, 2014, follows:

	Shares (in thousands)			Weighted-Average, Grant-Date Fair Value(1)
Unvested shares as of January 1, 2014	—			$	—
Granted	144			$	24.82
Vested	(36	)		$	24.82
Forfeited	—			$	—
Unvested shares as of March 31, 2014	108		(2)	$	24.82

⁽¹⁾  Columbia Property Trust determined the weighted-average, grant-date fair value using the market closing price on the date of the grant.

⁽²⁾  As of March 31, 2014, we expect approximately 102,000 of the 108,000 unvested shares to ultimately vest, assuming a forfeiture rate of 5.0%, which was determined based on peer company data, adjusted for the specifics of the 2013 Long-Term Incentive Plan.

In January and April 2014, Columbia Property Trust paid quarterly installments of the independent directors' annual equity retainers by granting shares to the independent directors, which vested at the time of grant. A summary of these grants, which were made under the 2013 Long-Term Incentive Plan follows:

	Date of Grant	Shares	Weighted Average Grant-Date Fair Value
Q1 2014 Director Grant	January 21, 2014	3,344	24.82
Q2 2014 Director Grant	April 1, 2014	2,968	27.22

Columbia Property Trust incurred $0.5 million in stock-based compensation expense in the first quarter of 2014, of which $0.1 million related to the issuance of shares to independent directors as described above, $0.2 million related to the amortization

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of unvested awards under the 2013 LTIP Employee Grant, and $0.2 million related to future employee awards to be granted for service during this period. These future awards have been authorized and employee service related to these awards began on January 1, 2014. Columbia Property Trust anticipates granting these awards in January 2015, with 25% of the grant vesting on the grant date and the remaining shares vesting ratably on January 31, 2016, 2017, and 2018 (the "2014 LTIP Employee Grant"). These expenses are included in general and administrative expenses in the accompanying consolidated statement of operations. As of March 31, 2014, there was $2.3 million of unrecognized compensation costs, related to unvested awards under the 2013 LTIP Employee Grant. This amount will be amortized over the respective vesting period, ranging from one to three years at the time of grant.

Reverse Stock Split

On August 6, 2013, Columbia Property Trust's board of directors approved a four-for-one reverse stock split (the "Reverse Stock Split"). The Reverse Stock Split became effective on August 14, 2013 (the "Effective Date"), causing every four shares of common stock that were issued and outstanding as of the Effective Date to be automatically combined into one issued and outstanding share of common stock. The share combination affected all shareholders uniformly and did not affect any shareholder's percentage ownership interest or any shareholder rights. In addition, the par value and number of authorized shares of common stock remained unchanged. The Reverse Stock Split requires retroactive adjustment; therefore, all share and per-share data for prior periods has been adjusted to reflect the Reverse Stock Split.

8.     Supplemental Disclosures of Noncash Investing and Financing Activities

Outlined below are significant noncash investing and financing activities for the three months ended March 31, 2014 and 2013 (in thousands):

	Three months ended March 31,
	2014			2013
Other assets assumed at acquisition	$	—		$	680
Other liabilities assumed at acquisition	$	—		$	680
Other liabilities settled at disposition	$	—		$	872
Interest accruing to notes payable	$	—		$	78
Amortization of premiums on debt	$	(88	)	$	(89	)
Market value adjustment to interest rate swaps that qualify for hedge accounting treatment	$	254		$	549
Accrued capital expenditures and deferred lease costs	$	6,669		$	7,300
Accrued deferred financing costs	$	24		$	—
Accrued redemptions of common stock	$	—		$	1,554
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)	$	189		$	—
Increase in redeemable common stock	$	—		$	59,981

9. Related-Party Transactions and Agreements

Until December 31, 2013, Columbia Property Trust was party to agreements with various entities of Wells Real Estate Funds ("WREF"), which served as our Advisor (the "Advisor"). Leo Wells, the sole director of WREF, was a member of our board of directors through May 2013, and as a result WREF was a related party through December 31, 2013. All of the agreements between Columbia Property Trust and WREF terminated on or before December 31, 2013, and no additional related party fees have been incurred during 2014. The following is a description of the agreements in place during 2013.

Advisory Agreement

From December 2003 through February 27, 2013, Columbia Property Trust operated as an externally advised REIT pursuant to an advisory agreement under which a subsidiary of WREF, Columbia Property Trust Advisory Services, performed certain key functions on behalf of Columbia Property Trust, including, among others, managing the day-to-day operations, investing capital proceeds, and arranging financings. Under the terms of the advisory agreement in place from January 1, 2013 to February 27, 2013 (the "Advisory Agreement"), Columbia Property Trust incurred fees and reimbursements payable to the Advisor for services as described below:

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• Asset Management Fees - Such fees were paid monthly to WREF for managing the day-to-day operations of Columbia Property Trust.

• Administrative Reimbursements - Reimbursements for all costs and expenses the Advisor incurred in fulfilling its duties as the asset portfolio manager, generally included wages and salaries and other employee-related expenses of the WREF's employees and amounts paid for an individual retirement account, or "IRA," custodial service costs allocated to Columbia Property Trust accounts.

Property Management Agreement

Also during January and February 2013, a subsidiary of WREF, Columbia Property Trust Services, provided the personnel necessary to carry out property management services on behalf of Wells Management Company, Inc. ("Wells Management") and its affiliates pursuant to a property management agreement (the "Property Management Agreement") with affiliates of WREF (the "Property Manager"). Under the Property Management Agreement, the Property Manager received fees and reimbursements in consideration for supervising the management, leasing, and construction of certain Columbia Property Trust properties.

Transition Services Agreement

As Columbia Property Trust began to make plans to transition to self-management, it entered into an agreement with WREF, under which WREF provided services to support the transition of Columbia Property Trust from an externally-advised management platform to a self-managed structure (the "Transition Services Agreement"). Pursuant to the Transition Services Agreement, which was in place from July 1, 2012 to December 31, 2013, (i) WREF was required to transfer the assets and employees necessary to provide the services under the Advisory Agreement (other than investor services and property management) to Columbia Property Trust Advisory Services; and (ii) Columbia Property Trust had the option to acquire Columbia Property Trust Advisory Services from WREF at any time during 2013 (the "Columbia Property Trust Advisory Services Assignment Option"). The Columbia Property Trust Advisory Services Assignment Option closed as of February 28, 2013, and all assets were transferred by June 30, 2013. No payment was associated with the assignment; however, Columbia Property Trust was required to pay WREF a total of $6.0 million payable in 12 monthly installments of $0.5 million commencing on July 31, 2012 for the work required to transfer sufficient employees, proprietary systems and processes, and assets to Columbia Property Trust Advisory Services to prepare for a successful transition to a self-managed structure. In addition, Columbia Property Trust and WREF were each obligated to pay half of any out-of-pocket and third-party costs and expenses incurred in connection with providing these services, provided that Columbia Property Trust's obligation to reimburse WREF for such expenses was limited to approximately $250,000 in the aggregate. Pursuant to the Transition Services Agreement at the close of the Columbia Property Trust Advisory Services Assignment Option, Columbia Property Trust entered into a consulting services agreement with WREF as described below.

On December 28, 2012, the Transition Services Agreement was amended and Wells Management and Columbia Property Trust Services were made parties to the agreement. Pursuant to the amendment, Columbia Property Trust could acquire Columbia Property Trust Services (the "Columbia Property Trust Services Assignment Option"), the entity that provided personnel to carry out property management services on behalf of Wells Management and its affiliates under the terms of the Property Management Agreement, in connection with exercising the Columbia Property Trust Advisory Services Assignment Option.  Columbia Property Trust exercised both options on February 28, 2013. No payment was associated with the assignment; however, Columbia Property Trust was obligated to pay a fee to WREF of  approximately $2.8 million in monthly installments from July 2013 through December 2013. The fees paid under the Transition Services Agreement are included in general and administrative expense for 2013 in the accompanying consolidated statement of operations. 

Consulting Services Agreement

On February 28, 2013, the Columbia Property Trust Advisory Services Assignment Option and Columbia Property Trust Services Assignment Option closed, and in connection therewith, the Advisory Agreement, Property Management Agreement, and Investor Services Agreement (as described below) terminated, and Columbia Property Trust entered into a consulting services agreement with WREF (the "Consulting Services Agreement"). Under the Consulting Services Agreement, WREF provided consulting services with respect to the same matters that the Advisor provided services under the Advisory Agreement. Payments under the Consulting Services Agreement were monthly fees in the same amount as the asset management fee that would have been paid under the most recently effective advisory agreement, if the most recently effective advisory agreement was not terminated. The Consulting Services Agreement terminated on December 31, 2013. The fees incurred under the Consulting Services Agreement are included in general and administrative expense in the accompanying consolidated statement of operations.

Investor Services Agreements

Columbia Property Trust and WREF entered into an investor services agreement, effective January 1, 2013 through February 28, 2013, that required WREF to provide certain investor and transfer agent support services to Columbia Property Trust (the "Investor

Page 19

Services Agreement"). As the sole consideration for these services, Columbia Property Trust reimbursed WREF for expenses incurred in connection with carrying out such services.

Effective February 28, 2013, upon the effective date of the Columbia Property Trust Advisory Services Assignment Option, Columbia Property Trust entered into an agreement with WREF, which required WREF to provide the investor and transfer agent support services to Columbia Property Trust that were previously provided for under the Investor Services Agreement (the "2013 Investor Services Agreement"). The 2013 Investor Services Agreement required Columbia Property Trust to compensate WREF for these services by reimbursing the related expenses and payroll costs, plus a premium. This agreement terminated on December 31, 2013.

Related-Party Costs

Pursuant to the terms of the agreements described above, Columbia Property Trust incurred the following related-party costs for the three months endedMarch 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014		2013
Consulting fees(1)	$	—	$	25,417
Transition services(2)	—		5,750
Asset management fees	—		5,083
Administrative reimbursements, net(3)	—		1,821
Property management fees	—		523
Construction fees(4)	—		139
Investor services	—		91
Other	—		49
Total	$	—	$	38,873

⁽¹⁾ $2.5 million of the $25.4 million of consulting fees incurred were paid during the three months ended March 31, 2013. The remaining $22.9 million were paid ratably over the remainder of 2013.

⁽²⁾  $1.5 million of the $5.8 million of transition services fees incurred were paid during the three months ended March 31, 2013; $1.5 million was paid in both the second and third quarters of 2013; and the remaining $1.3 million was paid in the fourth quarter of 2013.

⁽³⁾  Administrative reimbursements are presented net of reimbursements from tenants of approximately $0.7 million for the three months ended March 31, 2013.

⁽⁴⁾  Construction fees are capitalized to real estate assets as incurred.

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10. Discontinued Operations

The historical operating results and gains from the disposition of certain assets, including assets "held for sale," when applicable, and operating properties sold, are required to be reflected in a separate section ("discontinued operations") in the consolidated statements of operations for all periods presented. As a result, the revenues and expenses of the following properties are included in income (loss) from discontinued operations in the accompanying consolidated statements of operations for all periods presented: the properties included in the 18 Property Sale, which closed on November 5, 2013 for $521.5 million and resulted in a net gain of $1.2 million; Dvintsev Business Center - Tower B, which sold on March 21, 2013 for $67.5 million and resulted in a gain of $10.0 million; and the Nine Property Sale, which closed on December 12, 2012 for $260.5 million and resulted in a net gain of $3.2 million.

The following table shows the revenues and expenses of the above-described discontinued operations (in thousands):

	Three months ended March 31,
	2014			2013
Revenues:
Rental income	$	3		$	15,122
Tenant reimbursements	(51		)	3,365
	(48		)	18,487
Expenses:
Property operating costs	(347		)	6,305
Asset and property management fees	7			1,158
Depreciation	—			3,917
Amortization	—			2,045
Impairment loss on real estate assets	—			16,867
General and administrative	18			1,035
Total expenses	(322		)	31,327
Operating income (loss)	274			(12,840		)
Other income (expense):
Interest expense	—			(1,126		)
Interest and other income	3			3
Income (loss) from discontinued operations before income tax expense	277			(13,963		)
Income tax expense	—			(4		)
Income (loss) from discontinued operations	277			(13,967		)
Gain (loss) on disposition of discontinued operations	(328		)	10,014
Loss from discontinued operations	$	(51	)	$	(3,953	)

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11.    Earnings Per Share

For the first quarter of 2014, for the basic and diluted earnings per-share computations, net income (loss) and income (loss) from continuing operations have been reduced for the dividends paid on unvested shares related to the 2013 LTIP Employee Grant and the 2014 LTIP Employee Grant. The following table reconciles the numerator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014			2013
Net income (loss)	$	3,400		$	(22,608	)
Distributions paid on unvested shares	(32		)	—
Net income (loss) used to calculate basic and diluted earnings per share	$	3,368		$	(22,608	)

The following table reconciles the denominator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014	2013
Weighted-average common shares - basic	124,851	136,521
Plus incremental weighted-average shares from time-vested conversions less assumed share repurchases:
2013 LTIP Employee Grant	23	—
2014 LTIP Employee Grant	13	—
Weighted-average common shares - diluted	124,887	136,521

12.     Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries

The 2018 Bonds Payable (see Note 5, Bonds Payable) were issued by Columbia Property Trust OP, and are guaranteed by Columbia Property Trust. As a result of amending the $450 Million Term Loan and the JPMorgan Chase Credit Facility in August 2013, all of the indirect and direct subsidiaries of Columbia Property Trust that previously guaranteed the $450.0 Million Term Loan, the JPMorgan Chase Credit Facility, and the 2018 Bonds Payable were released under customary circumstances as guarantors, which resulted in the reclassification of prior-period amounts from the guarantor to the non-guarantor groupings within the condensed consolidating financial statements to conform with the current period presentation. In accordance with SEC Rule 3-10(c), Columbia Property Trust includes herein condensed consolidating financial information in lieu of separate financial statements of the subsidiary issuer (Columbia Property Trust OP), as defined in the bond indenture, because all of the following criteria are met:

(1) The subsidiary issuer (Columbia Property Trust OP) is 100% owned by the parent company guarantor (Columbia Property Trust);

(2) The guarantees are full and unconditional; and

(3) The guarantees are joint and several.

Columbia Property Trust uses the equity method with respect to its investment in subsidiaries included in its condensed consolidating financial statements. Set forth below are Columbia Property Trust's condensed consolidating balance sheets as of March 31, 2014 and December 31, 2013 (in thousands), as well as its condensed consolidating statements of operations and its condensed consolidating statements of comprehensive income for the three months ended March 31, 2014 and 2013 (in thousands); and its condensed consolidating statements of cash flows for the three months ended March 31, 2014 and 2013 (in thousands).

Page 22

Condensed Consolidating Balance Sheets (in thousands)

	As of March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia  Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241	$	697,311	$	—		$	703,552
Buildings and improvements, net	—		24,281		2,919,241		—			2,943,522
Intangible lease assets, net	—		—		271,273		—			271,273
Construction in progress	—		154		10,326		—			10,480
Total real estate assets	—		30,676		3,898,151		—			3,928,827
Cash and cash equivalents	25,497		40,402		20,344		—			86,243
Investment in subsidiaries	2,541,298		2,283,550		—		(4,824,848		)	—
Tenant receivables, net of allowance	—		197		7,943		—			8,140
Straight line rent receivable	—		24		116,319		—			116,343
Prepaid expenses and other assets	187,477		149,739		24,427		(321,674		)	39,969
Deferred financing costs, net	—		8,048		1,540		—			9,588
Intangible lease origination costs, net	—		—		140,457		—			140,457
Deferred lease costs, net	—		1,507		97,056		—			98,563
Investment in development authority bonds	—		—		120,000		—			120,000
Total assets	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130
Liabilities:
Line of credit and notes payable	$	—	$	450,000	$	1,109,545	$	(320,093	)	$	1,239,452
Bonds payable, net	—		248,993		—		—			248,993
Accounts payable, accrued expenses, and accrued capital expenditures	94		14,432		75,570		—			90,096
Due to affiliates	—		12		1,569		(1,581		)	—
Deferred income	—		185		24,443		—			24,628
Intangible lease liabilities, net	—		—		70,783		—			70,783
Obligations under capital leases	—		—		120,000		—			120,000
Total liabilities	94		713,622		1,401,910		(321,674		)	1,793,952
Equity:
Total equity	2,754,178		1,800,521		3,024,327		(4,824,848		)	2,754,178
Total liabilities and equity	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130

Page 23

Condensed Consolidating Balance Sheets (in thousands)

	As of December 31, 2013
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)			Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241		$	700,697	$	—		$	706,938
Building and improvements, net	—		24,185			2,952,102		—			2,976,287
Intangible lease assets, net	—		—			281,220		—			281,220
Construction in progress	—		28			7,921		—			7,949
Total real estate assets	—		30,454			3,941,940		—			3,972,394
Cash and cash equivalents	53,322		20,708			25,825		—			99,855
Investment in subsidiaries	2,557,347		2,286,982			—		(4,844,329		)	—
Tenant receivables, net of allowance	—		—			7,414		—			7,414
Straight line rent receivable	—		22			113,570		—			113,592
Prepaid expenses and other assets	177,185		150,806			26,602		(322,170		)	32,423
Deferred financing costs, net	—		8,762			1,626		—			10,388
Intangible lease origination costs, net	—		—			148,889		—			148,889
Deferred lease costs, net	—		1,495			86,032		—			87,527
Investment in development authority bonds	—		—			120,000		—			120,000
Total assets	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482
Liabilities:
Lines of credit and notes payable	$	—	$	450,000		$	1,110,838	$	(320,589	)	$	1,240,249
Bonds payable, net	—		248,930			—		—			248,930
Accounts payable, accrued expenses, and accrued capital expenditures	31		11,816			87,831		—			99,678
Due to (from) affiliates	—		(925		)	2,506		(1,581		)	—
Deferred income	—		146			21,792		—			21,938
Intangible lease liabilities, net	—		—			73,864		—			73,864
Obligations under capital leases	—		—			120,000		—			120,000
Total liabilities	31		709,967			1,416,831		(322,170		)	1,804,659
Equity:
Total equity	2,787,823		1,789,262			3,055,067		(4,844,329		)	2,787,823
Total liabilities, redeemable common stock, and equity	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482

Page 24

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	109		$	100,547		$	(89	)	$	100,567
Tenant reimbursements	—			46			23,687			—			23,733
Hotel income	—			—			4,061			—			4,061
Other property income	—			—			844			(37		)	807
	—			155			129,139			(126		)	129,168
Expenses:
Property operating costs	—			610			38,459			(89		)	38,980
Hotel operating costs	—			—			4,141			—			4,141
Asset and property management fees:
Related-party	—			4			—			(4		)	—
Other	—			—			575			(286		)	289
Depreciation	—			381			26,923			—			27,304
Amortization	—			9			18,512			—			18,521
Impairment loss on real estate assets	—			—			13,550			—			13,550
General and administrative	29			2,617			4,333			(33		)	6,946
	29			3,621			106,493			(412		)	109,731
Real estate operating income (loss)	(29		)	(3,466		)	22,646			286			19,437
Other income (expense):
Interest expense	—			(7,434		)	(15,158		)	4,682			(17,910		)
Interest and other income	1,988			2,695			1,809			(4,682		)	1,810
Loss on interest rate swaps	—			—			(230		)	—			(230		)
Income from equity investment	1,441			8,617			—			(10,058		)	—
	3,429			3,878			(13,579		)	(10,058		)	(16,330		)
Income before income tax expense	3,400			412			9,067			(9,772		)	3,107
Income tax benefit (expense)	—			(1		)	345			—			344
Income from continuing operations	3,400			411			9,412			(9,772		)	3,451
Discontinued operations:
Operating income from discontinued operations	—			—			277			—			277
Loss on disposition of discontinued operations	—			—			(328		)	—			(328		)
Loss from discontinued operations	—			—			(51		)	—			(51		)
Net income	$	3,400		$	411		$	9,361		$	(9,772	)	$	3,400

Page 25

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	101		$	101,234		$	(29	)	$	101,306
Tenant reimbursements	—			103			22,141			—			22,244
Hotel income	—			—			4,954			—			4,954
Other property income	—			17			303			(32		)	288
	—			221			128,632			(61		)	128,792
Expenses:
Property operating costs	—			475			37,138			(29		)	37,584
Hotel operating costs	—			—			4,261			—			4,261
Asset and property management fees:
Related-party	4,397			3			313			(20		)	4,693
Other	—			—			613			—			613
Depreciation	—			233			26,477			—			26,710
Amortization	—			7			19,895			—			19,902
General and administrative	—			33,705			3,126			(12		)	36,819
	4,397			34,423			91,823			(61		)	130,582
Real estate operating income (loss)	(4,397		)	(34,202		)	36,809			—			(1,790		)
Other income (expense):
Interest expense	—			(8,177		)	(22,685		)	4,728			(26,134		)
Interest and other income	1,997			2,732			9,110			(4,728		)	9,111
Gain on interest rate swaps	—			—			57			—			57
Income (loss) from equity investment	(20,208		)	18,333			—			1,875			—
	(18,211		)	12,888			(13,518		)	1,875			(16,966		)
Income (loss) before income tax benefit (expense)	(22,608		)	(21,314		)	23,291			1,875			(18,756		)
Income tax benefit (expense)	—			(1		)	102			—			101
Income (loss) from continuing operations	(22,608		)	(21,315		)	23,393			1,875			(18,655		)
Discontinued operations:
Operating income (loss) from discontinued operations	—			658			(14,625		)	—			(13,967		)
Gain on disposition of discontinued operations	—			—			10,014			—			10,014
Income (loss) from discontinued operations	—			658			(4,611		)	—			(3,953		)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)

Page 26

Consolidating Statements of Comprehensive Income (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income	$	3,400	$	411	$	9,361	$	(9,772	)	$	3,400
Market value adjustment to interest rate swap	254		254		—		(254		)	254
Comprehensive income	$	3,654	$	665	$	9,361	$	(10,026	)	$	3,654

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)
Foreign currency translation adjustment	(83		)	—			(83		)	83			(83		)
Market value adjustment to interest rate swap	549			549			—			(549		)	549
Comprehensive income (loss)	$	(22,142	)	$	(20,108	)	$	18,699		$	1,409		$	(22,142	)

Page 27

Consolidating Statements of Cash Flows (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Eliminations			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	(28	)	$	(9,614	)	$	67,433		$	—		$	57,791
Cash flows from investing activities:
Investment in real estate and related assets	—			(10,932		)	(22,336		)	—			(33,268		)
Investments in subsidiaries	(13,700		)	(12,985		)	—			26,685			—
Net cash provided by (used in) investing activities	(13,700		)	(23,917		)	(22,336		)	26,685			(33,268		)
Cash flows from financing activities:
Repayments of notes payable	—			—			(646		)	—			(646		)
Distributions	(37,489		)	—			—			—			(37,489		)
Intercompany contributions (distributions)	23,392			53,225			(49,932		)	(26,685		)	—
Net cash provided by (used in) financing activities	(14,097		)	53,225			(50,578		)	(26,685		)	(38,135		)
Net increase (decrease) in cash and cash equivalents	(27,825		)	19,694			(5,481		)	—			(13,612		)
Cash and cash equivalents, beginning of period	53,322			20,708			25,825			—			99,855
Cash and cash equivalents, end of period	$	25,497		$	40,402		$	20,344		$	—		$	86,243

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	—		$	(21,051	)	$	69,575		$	48,524
Cash flows from investing activities:
Net proceeds from sale of real estate	—			65,928			—			65,928
Investment in real estate and related assets	—			(2,481		)	(9,573		)	(12,054		)
Net cash provided by (used in) investing activities	—			63,447			(9,573		)	53,874
Cash flows from financing activities:
Borrowings, net of fees	—			69,000			(41		)	68,959
Repayments of line of credit and notes payable	—			(86,000		)	(609		)	(86,609		)
Issuance of common stock, net of redemptions and fees	(18,033		)	—			—			(18,033		)
Distributions	(51,646		)	—			—			(51,646		)
Intercompany transfers, net	69,268			(15,148		)	(54,120		)	—
Net cash provided by (used in) financing activities	(411		)	(32,148		)	(54,770		)	(87,329		)
Net increase (decrease) in cash and cash equivalents	(411		)	10,248			5,232			15,069
Effect of foreign exchange rate on cash and cash equivalents	—			—			(103		)	(103		)
Cash and cash equivalents, beginning of period	20,914			4,822			27,921			53,657
Cash and cash equivalents, end of period	$	20,503		$	15,070		$	33,050		$	68,623

Page 28

13. Subsequent Event

Columbia Property Trust has evaluated subsequent events in connection with the preparation of the consolidated financial statements and notes thereto included in this report on Form 10-Q and noted the following in addition to those disclosed elsewhere in this report:

Property Acquisition

On April 22, 2014, Columbia Property Trust acquired the 221 Main Street Building as described in Note 3, Real Estate and Other Transactions.

Dividend Declaration

On May 7, 2014, the board of directors declared dividends for the second quarter of 2014 in the amount of $0.30 per share, payable on June 17, 2014 to stockholders of record on June 2, 2014.

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis should be read in conjunction with our accompanying consolidated financial statements (and notes thereto) and the "Cautionary Note Regarding Forward-Looking Statements" preceding Part I of this report, as well as our consolidated financial statements (and the notes thereto) and Management's Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the year ended December 31, 2013 (the "2013 Form 10-K").

Overview

During 2014, we have continued to focus on proactively managing our real estate portfolio with an emphasis on leasing and refining the composition of our portfolio to enhance the REIT's value potential and, consequently, its attractiveness to current and future investors. We are immediately focused on improving our market concentration by growing our economic presence in key markets through strategic investment opportunities, and by divesting of properties situated in outlying markets, or which face more challenging appreciation prospects. In furtherance of these objectives, we acquired the 221 Main Street Building in San Francisco, California for $228.8 million, exclusive of transaction costs, in April 2014. This acquisition increases our presence in San Francisco and portfolio concentration in central business district markets and multi-tenant buildings. We will continue to seek transactions that we believe will improve our geographical concentration and strengthen the underlying real estate fundamentals of our portfolio. Over the intermediate and longer term, we are continuing to seek to optimize the allocation between our traditional, stabilized core investments, and growth-oriented, core-plus, and value-add investments. While transitioning the portfolio to more growth-oriented, core-plus, and value-add properties will likely cause some dilution in earnings for a period of time, we believe that it will improve the opportunity for growth over the longer term.

Liquidity and Capital Resources

Overview

In 2014, we have continued to actively manage our real estate portfolio through pursuing strategic acquisitions and select dispositions to concentrate our market focus and leasing and re-leasing space. Our board of directors elected to maintain the quarterly stockholder distribution rate of $0.30 for the first quarter of 2014. The amount of distributions to common stockholders is determined by our board of directors and is dependent upon a number of factors, including funds deemed available for distribution based principally on our current and future projected operating cash flows, reduced by capital requirements necessary to maintain our existing portfolio. In determining the amount of distributions to common stockholders, we also consider our future capital needs and future sources of liquidity, as well as the annual distribution requirements necessary to maintain our status as a REIT under the Code. Investments in new property acquisitions and first-generation capital improvements are generally funded with recycled capital proceeds from property sales, debt or cash on hand. The acquisition of the 221 Main Street Building was funded with a $73.0 million assumed mortgage note, $116.0 million of borrowings on our revolving credit facility, and cash on hand.

Short-term Liquidity and Capital Resources

During the three months ended March 31, 2014, we generated net cash flows from operating activities of $57.8 million, which consists primarily of receipts from tenants for rent and reimbursements, reduced by payments for operating costs, administrative expenses, and interest expense. During the same period, we paid total distributions to stockholders of $37.5 million. On a short-term basis, we expect our primary sources of capital to be operating cash flows and select property dispositions. We expect that

Page 29

our principal demands for funds will be operating expenses, property acquisitions, distributions to stockholders, capital improvements to our existing assets, and interest and principal on current debt and any future debt financings.

During the three months ended March 31, 2014, we used excess operating cash flows, along with cash on hand, to fund capital expenditures of $33.3 million and debt repayments of $0.6 million.

We believe that we have adequate liquidity and capital resources to meet our current obligations as they come due. We listed our shares on the NYSE on October 10, 2013, which, we believe, provides us access to additional and more efficient sources of capital. As of April 30, 2014, we had access to borrowing capacity under the JPMorgan Credit Facility of $384.0 million.

Long-term Liquidity and Capital Resources

Over the long term, we expect that our primary sources of capital will include operating cash flows, select property dispositions, and proceeds from secured or unsecured borrowings from third-party lenders. We expect that our primary uses of capital will continue to include stockholder distributions; acquisitions; capital expenditures, such as building improvements, tenant improvements, and leasing costs; and repaying or refinancing debt.

Consistent with our financing objectives and operational strategy, we continue to maintain low debt levels, historically less than 40% of the cost of our assets. This conservative leverage goal could reduce the amount of current income we can generate for our stockholders, but it also reduces their risk of loss. We believe that preserving investor capital while generating stable current income is in the best interest of our stockholders. Our debt-to-real-estate-asset ratio is calculated using the outstanding debt balance and real estate at cost. As of March 31, 2014, our debt-to-real-estate-asset ratio was approximately 29.3%.

2018 Bonds Payable

In 2011, we issued $250.0 million of seven-year, unsecured 5.875% senior notes at 99.295% of their face value. We received proceeds from the 2018 Bonds Payable, net of fees, of $246.7 million. The 2018 Bonds Payable require semiannual interest payments in April and October based on a contractual annual interest rate of 5.875%, which is subject to adjustment in certain circumstances. The principal amount of the 2018 Bonds Payable is due and payable on the maturity date, April 1, 2018.

$450 Million Term Loan

The $450 Million Term Loan matures on February 3, 2016, with two, one-year extension options available. The interest rate on the $450 Million Term Loan continues to be effectively fixed with an interest rate swap agreement. Based on the terms of the interest rate swap and our current credit rating, the interest rate on the $450 Million Term Loan is effectively fixed at 2.27%. Additionally, we have four accordion options available for an aggregate amount of $250.0 million, in minimum amounts of $25.0 million each.

JPMorgan Chase Credit Facility

The JPMorgan Chase Credit Facility has a capacity of $500 million and matures on August 21, 2017, with a one-year extension option. As of March 31, 2014, there were no outstanding borrowings on the JPMorgan Chase Credit Facility. Amounts outstanding under the JPMorgan Chase Credit Facility bear interest at LIBOR plus an applicable margin ranging from 1.00% to 1.70% for LIBOR borrowings, or an applicable base rate plus an applicable margin ranging from 0.00% to 0.70% for base rate borrowings, based on our applicable credit rating. The per annum facility fee on the aggregate revolving commitment (used or unused) ranges from 0.15% to 0.35%, also based on our applicable credit rating. Additionally, we have the ability to increase the capacity of the JPMorgan Chase Credit Facility up to $800.0 million, subject to certain limitations.

Debt Covenants

Our portfolio debt instruments, the $450 Million Term Loan, the JPMorgan Chase Credit Facility, and the 2018 Bonds Payable, contain certain covenants and restrictions that require us to meet certain financial ratios. We believe we were in compliance with all of our debt covenants as of March 31, 2014. Currently, we expect to continue to meet the requirements of our debt covenants over the short and long term.

Contractual Commitments and Contingencies

Our contractual obligations have not changed materially from those reported in our 2013 Form 10-K.

Page 30

Results of Operations

Overview

As of March 31, 2014, we owned controlling interests in 42 office properties, which were approximately 92.4% leased, and one hotel. Our operating income has increased for the three months ended March 31, 2014, as compared to the same period in 2013, primarily due to fees incurred through February 28, 2013 in connection with transitioning to a self-managed structure in the first quarter of 2013, which were included in general and administrative expense in our accompanying statement of operations. These agreements expired on December 31, 2013. In the near term, we expect operating income to increase slightly as a result of the acquisition of the 221 Main Street Building in April 2014, and to fluctuate over the longer term based on leasing activities, acquisitions, and dispositions.

Comparison of the three months ended March 31, 2014 versus the three months ended March 31, 2013

Continuing Operations

Rental income remained stable at $100.6 million and $101.3 million for the three months ended March 31, 2014 and 2013, respectively. Over the near term, rental income is expected to increase due to the acquisition of the 221 Main Street Building in April 2014. Over the longer term, rental income will fluctuate based on leasing, acquisition, and disposition activity.

Tenant reimbursements and property operating costs were $23.7 million and $39.0 million, respectively, for the three months ended March 31, 2014, which represents an increase from $22.2 million and $37.6 million for the three months ended March 31, 2013, respectively, primarily due to increases in property taxes resulting from annual assessments and increased costs related to ice and snow removal resulting from severe winter weather in the current year period. Over the near term, tenant reimbursements and property operating costs are expected to fluctuate with changes in our portfolio.

Hotel income, net of hotel operating costs, was $(0.1) million for the three months ended March 31, 2014, which represents a decrease as compared to $0.7 million for the three months ended March 31, 2013, primarily due to unfavorable weather in Cleveland, Ohio and ongoing renovations at the hotel, which resulted in lower occupancy during the first quarter of 2014. Hotel income and hotel operating costs are primarily driven by the local economic conditions and, as a result, are expected to fluctuate in the future primarily based on changes in the supply of, and demand for, hotel and banquet space in Cleveland, Ohio, similar to that offered by the Key Center Marriott hotel.

Other property income was $0.8 million for the three months ended March 31, 2014, which represents an increase as compared to $0.3 million for the three months ended March 31, 2013, primarily due to fees earned in connection with a lease restructuring at our Key Center Tower Building during the first quarter of 2014. Future other property income fluctuations are expected to primarily relate to future lease restructuring and termination activities.

Asset and property management fees were $0.3 million for the three months ended March 31, 2014, which represents a decrease as compared to $5.3 million for the three months ended March 31, 2013, due to the Advisory Agreement in place for the first two months of 2013 as further discussed in Note 9, Related-Party Transactions and Agreements. Future asset and property management fees are expected to remain at similar levels, as no related-party asset or property management fees will be incurred. Such services are now performed by employees of Columbia Property Trust.

Depreciation remained relatively stable at $27.3 million and $26.7 million for the three months ended March 31, 2014 and 2013, respectively. Excluding the impact of dispositions, and changes to the leases currently in place at our properties, depreciation is expected to increase in future periods, as compared to historical periods, due to the acquisition of the 221 Main Street Building and ongoing capital improvements at our existing properties.

Amortization was $18.5 million for the three months ended March 31, 2014, which represents a decrease as compared to $19.9 million for the three months ended March 31, 2013, primarily due to write offs of unamortized lease-specific assets related to a lease termination in the fourth quarter of 2013. Excluding the impact of changes to the leases currently in place at our properties, we expect future amortization to increase due to the acquisition of the 221 Main Street Building.

We have revised our investment strategy for the 180 Park Avenue, #103 property in Florham Park, New Jersey to sell "as-is" in the near term. As a result, we reduced the carrying value of the property to its estimated fair value by recognizing a property impairment loss of $13.6 million in the first quarter of 2014. We expect future impairment losses on real estate assets to be dependent upon the nature, timing, and extent of future disposition activity.

General and administrative expenses were $6.9 million for the three months ended March 31, 2014, which represents a decrease as compared to $36.8 million for the three months ended March 31, 2013, primarily due to the contractual impact of transitioning

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to a self-managed structure in 2013 (see Note 9, Related-Party Transactions and Agreements for details). We expect future general and administrative expenses to increase slightly due to costs associated with our annual stockholders meeting in the near term, and various other corporate initiatives expected in the longer term.

Interest expense was $17.9 million for the three months ended March 31, 2014, which represents a decrease as compared to $26.1 million for the three months ended March 31, 2013, primarily due to the settlement of $466.0 million of our $586.0 million total capital lease obligations in December 2013 and reduced interest rates as a result of our debt refinancings in August 2013. Interest expense is expected to increase slightly in future periods due to the assumption of the note payable in connection with the 221 Main Street Building acquisition and potential borrowings under the JPMorgan Chase Credit Facility.

Interest and other income was $1.8 million for the three months ended March 31, 2014, which represents a decrease as compared to $9.1 million for the three months ended March 31, 2013, due to the December 2013 settlement of $466.0 million of the $586.0 million total development authority bonds and the related obligations under capital leases. Interest income is expected to remain at comparable levels in future periods, as the majority of this activity consists of interest income earned on investments in development authority bonds with a remaining term of approximately 7.8 years as of March 31, 2014.

We recognized a gain (loss) on interest rate swaps that do not qualify for hedge accounting treatment of approximately $(0.2) million for the three months ended March 31, 2014, compared to $0.1 million for the three months ended March 31, 2013. We anticipate future gains and losses on interest rate swaps that do not qualify for hedge accounting treatment will fluctuate, primarily due to changes in the estimated fair value of our interest rate swaps relative to then-current market conditions. Market value adjustments to swaps that qualify for hedge accounting treatment are recorded directly to equity, and therefore do not impact net income.

Discontinued Operations

Loss from discontinued operations was approximately $(0.1) million for the three months ended March 31, 2014, which represents a decrease as compared to a loss of $(4.0) million for the three months ended March 31, 2013. The decrease in the loss is due to the impairment loss related to the 120 Eagle Rock and the 333 & 777 Republic Drive Buildings, which were included in the 18 Property Sale, recognized in the first three months of 2013. As further explained in Note 10, Discontinued Operations, to the accompanying consolidated financial statements, properties meeting certain criteria for disposal are classified as "discontinued operations" in the accompanying consolidated statements of operations for all periods presented.

Net Income

Net income (loss) attributable to Columbia Property Trust was $3.4 million, or $0.03 per basic and diluted share, for the three months ended March 31, 2014, which represents an increase as compared to $(22.6) million, or $(0.17) per basic and diluted share, for the three months ended March 31, 2013. The increase is primarily due to nonrecurring fees incurred under the Transition Services Agreement and the Consulting Services Agreement in 2013 (see Note 9, Related-Party Transactions and Agreements, of the accompanying financial statements) and year -over-year fluctuations in discontinued operations activity. We expect near-term earnings to remain relatively stable, as the additional revenues generated from the 221 Main Street Building are expected to be offset by related expenses, and future earnings are expected to fluctuate as a result of leasing activity at our existing properties and acquisition and disposition activity.

Funds From Operations

Funds from operations ("FFO") is a non-GAAP measure used by many investors and analysts that follow the real estate industry to measure the performance of an equity REIT. We consider FFO a useful measure of our performance because it principally adjusts for the effects of GAAP depreciation and amortization of real estate assets, which assumes that the value of real estate diminishes predictably over time. Since real estate values have historically risen or fallen with market conditions, we believe that FFO provides a meaningful supplemental measure of our performance. We believe that the use of FFO, combined with the required GAAP presentations, is beneficial in improving our investors' understanding of our operating results and allowing for comparisons among other companies who define FFO as we do.

FFO, as defined by the National Association of Real Estate Investment Trusts ("NAREIT"), represents net income (computed in accordance with GAAP), excluding gains (losses) on sales of real estate and impairments of real estate assets, plus real estate-related depreciation and amortization and after adjustments for unconsolidated partnerships and joint ventures. We compute FFO in accordance with NAREIT's definition, which may differ from the methodology for calculating FFO, or similarly titled measures, used by other companies and this may not be comparable to those presentations.

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FFO does not represent amounts available for management's discretionary use because of needed capital replacement or expansion, debt service obligations or other commitments and uncertainties, nor is it indicative of funds available to fund our cash needs, including our ability to make distributions. Our presentation of FFO should not be considered as an alternative to net income (computed in accordance with GAAP) as an indicator of financial performance.

Reconciliations of net income to FFO (in thousands):

	Three months ended March 31,
	2014		2013
Reconciliation of Net Income to Funds From Operations:
Net income (loss)	$	3,400	$	(22,608	)
Adjustments:
Depreciation of real estate assets	27,304		30,627
Amortization of lease-related costs	18,521		21,947
Impairment loss on real estate assets	13,550		16,867
Loss (gain) on disposition of discontinued operations	328		(10,014		)
Total Funds From Operations adjustments	59,703		59,427
Funds From Operations	$	63,103	$	36,819

Election as a REIT

We have elected to be taxed as a REIT under the Code, and have operated as such beginning with our taxable year ended December 31, 2003. To qualify as a REIT, we must meet certain organizational and operational requirements, including a requirement to distribute at least 90% of our adjusted taxable income, as defined in the Code, to our stockholders, computed without regard to the dividends-paid deduction and by excluding our net capital gain. As a REIT, we generally will not be subject to federal income tax on income that we distribute to our stockholders. If we fail to qualify as a REIT in any taxable year, we will then be subject to federal income taxes on our taxable income for that year and for the four years following the year during which qualification is lost, unless the Internal Revenue Service grants us relief under certain statutory provisions. Such an event could materially affect our net income and net cash available for distribution to our stockholders. However, we believe that we are organized and operate in such a manner as to qualify for treatment as a REIT for federal income tax purposes.

Columbia Property Trust TRS, Columbia KCP TRS, and Columbia Energy TRS are wholly owned subsidiaries of Columbia Property Trust, are organized as Delaware limited liability companies, and operate, among other things, a full-service hotel. We have elected to treat the TRS Entities as taxable REIT subsidiaries. We may perform certain additional, noncustomary services for tenants of our buildings through the TRS Entities; however, any earnings related to such services are subject to federal and state income taxes. In addition, for us to continue to qualify as a REIT, we must limit our investments in taxable REIT subsidiaries to 25% of the value of our total assets. Deferred tax assets and liabilities are established for temporary differences between the financial reporting basis and the tax basis of assets and liabilities at the enacted rates expected to be in effect when the temporary differences reverse.

No provisions for federal income taxes have been made in our accompanying consolidated financial statements, other than the provisions relating to Columbia Property Trust TRS, Columbia KCP TRS, and Columbia Energy TRS, as we made distributions in excess of taxable income for the periods presented. We are subject to certain state and local taxes related to property operations in certain locations, which have been provided for in our accompanying consolidated financial statements.

Inflation

We are exposed to inflation risk, as income from long-term leases is the primary source of our cash flows from operations. There are provisions in the majority of our tenant leases that are intended to protect us from, and mitigate the risk of, the impact of inflation. These provisions include rent steps, reimbursement billings for operating expense pass-through charges, real estate tax and insurance reimbursements on a per-square-foot basis, or in some cases, annual reimbursement of operating expenses above a certain per-square-foot allowance. However, due to the long-term nature of the leases, the leases may not reset frequently enough to fully cover inflation.

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Application of Critical Accounting Policies

Our accounting policies have been established to conform with GAAP. The preparation of financial statements in conformity with GAAP requires management to use judgment in the application of accounting policies, including making estimates and assumptions. These judgments affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. If our judgment or interpretation of the facts and circumstances relating to various transactions had been different, it is possible that different accounting policies would have been applied, thus resulting in a different presentation of the financial statements. Additionally, other companies may utilize different estimates that may impact the comparability of our results of operations to those of companies in similar businesses.

Investment in Real Estate Assets

We are required to make subjective assessments as to the useful lives of our depreciable assets. We consider the period of future benefit of the asset to determine the appropriate useful lives. These assessments have a direct impact on net income. The estimated useful lives of our assets by class are as follows:

Buildings	40 years
Building improvements	5-25 years
Site improvements	15 years
Tenant improvements	Shorter of economic life or lease term
Intangible lease assets	Lease term

Evaluating the Recoverability of Real Estate Assets

We continually monitor events and changes in circumstances that could indicate that the carrying amounts of the real estate and related intangible assets of both operating properties and properties under construction, in which we have an ownership interest, either directly or through investments in joint ventures, may not be recoverable. When indicators of potential impairment are present that suggest that the carrying amounts of real estate assets and related intangible assets (liabilities) may not be recoverable, we assess the recoverability of these assets by determining whether the respective carrying values will be recovered through the estimated undiscounted future operating cash flows expected from the use of the assets and their eventual disposition. In the event that such expected undiscounted future cash flows do not exceed the carrying values, we adjust the carrying value of the real estate assets and related intangible assets to the estimated fair values, pursuant to the property, plant, and equipment accounting standard for the impairment or disposal of long-lived assets, and recognize an impairment loss. Estimated fair values are calculated based on the following information, in order of preference, depending upon availability: (i) recently quoted market prices, (ii) market prices for comparable properties, or (iii) the present value of future cash flows, including estimated salvage value. Certain of our assets may be carried at more than an amount that could be realized in a current disposition transaction.

Projections of expected future operating cash flows require that we estimate future market rental income amounts subsequent to the expiration of current lease agreements, property operating expenses, the number of months it takes to re-lease the property, and the number of years the property is held for investment, among other factors. The subjectivity of assumptions used in the future cash flow analysis, including discount rates, could result in an incorrect assessment of the property's fair value and could result in the misstatement of the carrying value of our real estate assets and related intangible assets and net income (loss).

In connection with furthering our portfolio repositioning efforts, in the first quarter of 2013, we initiated a process to market 18 properties for sale (the "18 Property Sale"). Pursuant to the accounting policy outlined above, we evaluated the recoverability of the carrying values of each of these properties and determined that the 120 Eagle Rock property in East Hanover, New Jersey, and the 333 & 777 Republic Drive property in Allen Park, Michigan, were no longer recoverable due to shortening the respective expected property holding periods in connection with these repositioning efforts. As a result, we reduced the carrying value of the 120 Eagle Rock property and the 333 & 777 Republic Drive property to reflect their respective fair values, estimated based on projected discounted future cash flows and recorded corresponding property impairment losses, of $11.7 million and $5.2 million, respectively, in the first quarter of 2013, which are included in operating income (loss) from discontinued operations in the accompanying statement of operations. In connection with finalizing the terms of the 18 Property Sale agreement in the fourth quarter of 2013, we reduced the aggregate carrying value of the assets included therein to fair value, as estimated based on the approximate net contract price (Level 2) of $500 million, by recognizing an additional impairment loss of $12.9 million in the third quarter of 2013.

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We have revised our investment strategy for the 180 Park Avenue, #103 building in Florham Park, New Jersey to sell the property to a user in the near-term. As a result, management reduced its intended holding period for the property and reevaluated its carrying value as of March 31, 2014 pursuant to the accounting policy outlined above. We concluded that the 180 Park Avenue, #103 building was not recoverable and reduced its carrying value to reflect its fair value, estimated based on recently quoted market prices (Level 2), by recording an impairment loss of approximately $13.6 million, in the first quarter of 2014.

The fair value measurements used in the evaluation of the 120 Eagle Rock property and the 333 & 777 Republic Drive property are considered to be Level 3 valuations within the fair value hierarchy outlined above, as there are significant unobservable inputs. Examples of inputs that were utilized in the fair value calculations include estimated holding periods, discount rates, market capitalization rates, expected lease rental rates, and potential sales prices. The table below represents the detail of the adjustments recognized using Level 3 inputs.

For the three months ended March 31, 2013 (in thousands):

Property	Net Book Value		Impairment Loss Recognized			Fair Value
120 Eagle Rock	$	23,808	$	(11,708	)	$	12,100
333 & 777 Republic Drive	$	13,359	$	(5,159	)	$	8,200

Assets Held for Sale

We classify assets as held for sale according to ASC 360. According to ASC 360, assets are considered held for sale when the following criteria are met:

• Management, having the authority to approve the action, commits to a plan to sell the property.

• The property is available for immediate sale in its present condition subject only to terms that are usual and customary for sales of such property.

• An active program to locate a buyer and other actions required to complete the plan to sell the property have been initiated.

• The sale of the property is probable, and transfer of the property is expected to qualify for recognition as a completed sale, within one year.

• The property is being actively marketed for sale at a price that is reasonable in relation to its current fair value.

• Actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn.

At such time that a property is determined to be held for sale, its carrying amount is reduced to the lower of its depreciated book value or its estimated fair value, less costs to sell, and depreciation is no longer recognized. As of March 31, 2014, none of our properties met the criteria to be classified as held for sale in the accompanying balance sheet.

Allocation of Purchase Price of Acquired Assets

Upon the acquisition of real properties, we allocate the purchase price of properties to tangible assets, consisting of land and building, site improvements, and identified intangible assets and liabilities, including the value of in-place leases, based in each case on our estimate of their fair values.

The fair values of the tangible assets of an acquired property (which includes land and building) are determined by valuing the property as if it were vacant, and the "as-if-vacant" value is then allocated to land and building based on our determination of the relative fair value of these assets. We determine the as-if-vacant fair value of a property using methods similar to those used by independent appraisers. Factors we consider in performing these analyses include an estimate of carrying costs during the expected lease-up periods considering current market conditions and costs to execute similar leases, including leasing commissions and other related costs. In estimating carrying costs, we include real estate taxes, insurance, and other operating expenses during the expected lease-up periods based on current market demand.

Intangible Assets and Liabilities Arising from In-Place Leases where We are the Lessor

As further described below, in-place leases where we are the lessor may have values related to direct costs associated with obtaining a new tenant, opportunity costs associated with lost rentals that are avoided by acquiring an in-place lease, tenant relationships, and effective contractual rental rates that are above or below market rates:

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• Direct costs associated with obtaining a new tenant, including commissions, tenant improvements, and other direct costs, are estimated based on management's consideration of current market costs to execute a similar lease. Such direct costs are included in intangible lease origination costs in the accompanying consolidated balance sheets and are amortized to expense over the remaining terms of the respective leases.

• The value of opportunity costs associated with lost rentals avoided by acquiring an in-place lease is calculated based on the contractual amounts to be paid pursuant to the in-place leases over a market absorption period for a similar lease. Such opportunity costs are included in intangible lease assets in the accompanying consolidated balance sheets and are amortized to expense over the remaining terms of the respective leases.

• The value of tenant relationships is calculated based on expected renewal of a lease or the likelihood of obtaining a particular tenant for other locations. Values associated with tenant relationships are included in intangible lease assets in the accompanying consolidated balance sheets and are amortized to expense over the remaining terms of the respective leases.

• The value of effective rental rates of in-place leases that are above or below the market rates of comparable leases is calculated based on the present value (using a discount rate that reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be received pursuant to the in-place leases and (ii) management's estimate of fair market lease rates for the corresponding in-place leases, measured over a period equal to the remaining terms of the leases. The capitalized above-market and below-market lease values are recorded as intangible lease assets or liabilities and amortized as an adjustment to rental income over the remaining terms of the respective leases.

Evaluating the Recoverability of Intangible Assets and Liabilities

The values of intangible lease assets and liabilities are determined based on assumptions made at the time of acquisition and have defined useful lives, which correspond with the lease terms. There may be instances in which intangible lease assets and liabilities become impaired and we are required to write-off the remaining asset or liability immediately or over a shorter period of time. Lease restructurings, including lease terminations and lease extensions, may impact the value and useful life of in-place leases. In-place leases that are terminated, partially terminated, or modified will be evaluated for impairment if the original in-place lease terms have been modified. In the event that the discounted cash flows of the original in-place lease stream do not exceed the discounted modified in-place lease stream, we adjust the carrying value of the intangible lease assets to the discounted cash flows and recognize an impairment loss. For in-place lease extensions that are executed more than one year prior to the original in-place lease expiration date, the useful life of the in-place lease will be extended over the new lease term with the exception of those in-place lease components, such as lease commissions and tenant allowances, which have been renegotiated for the extended term. Renegotiated in-place lease components, such as lease commissions and tenant allowances, will be amortized over the shorter of the useful life of the asset or the new lease term.

Intangible Assets and Liabilities Arising from In-Place Leases where We are the Lessee

In-place ground leases where we are the lessee may have value associated with effective contractual rental rates that are above or below market rates. Such values are calculated based on the present value (using a discount rate that reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place lease and (ii) management's estimate of fair market lease rates for the corresponding in-place lease, measured over a period equal to the remaining terms of the leases. The capitalized above-market and below-market in-place lease values are recorded as intangible lease liabilities or assets and amortized as an adjustment to property operating cost over the remaining term of the respective leases.

Related Parties Transactions and Agreements

During 2013, we were party to agreements with our former advisor and its affiliates, whereby we incurred and paid fees and reimbursements for certain advisory services, property management, and transition services. All such agreements terminated on December 31, 2013. See Note 9, Related-Party Transactions and Agreements, of our accompanying consolidated financial statements for details of our 2013 related-party transactions, agreements, and fees.

Commitments and Contingencies

We are subject to certain commitments and contingencies with regard to certain transactions. Refer to Note 6, Commitments and Contingencies, of our accompanying consolidated financial statements for further explanation. Examples of such commitments and contingencies include:

• obligations under operating leases;

• obligations under capital leases;

• commitments under existing lease agreements; and

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• litigation.

Other Regulatory Matters

The SEC is conducting a formal, nonpublic investigation regarding Wells Investment Securities, Inc. ("WIS"), the former dealer-manager for our previous nonlisted public offerings. The investigation also relates to our company and another entity that also conducted public offerings through WIS. The investigation relates to whether there have been violations of certain provisions of the federal securities laws in connection with public offerings in which WIS served as dealer-manager, including a public offering of our shares that concluded in August 2010. In February 2013, we received a subpoena for documents and information, and we have been cooperating fully with the SEC. We are not in a position to estimate the timing of a conclusion of the investigation or whether the SEC may accuse us of any wrongdoing. To date, the costs related to our response to this subpoena have been covered by our insurance company, subject to a deductible, and we expect that any additional costs will be covered by insurance. However we may incur uninsured losses related to our response to the subpoena in the future.

Subsequent Events

We have evaluated subsequent events in connection with the preparation of the consolidated financial statements and notes thereto included in this report on Form 10-Q and noted the following in addition to those disclosed elsewhere in this report:

Property Acquisition

On April 22, 2014, we acquired the 221 Main Street Building as described in Note 3, Real Estate and Other Transactions, of the accompanying financial statements.

Dividend Declaration

On May 7, 2014, the board of directors declared dividends for the second quarter of 2014 in the amount of $0.30 per share, payable on June 17, 2014 to stockholders of record on June 2, 2014.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

As a result of our debt facilities, we are exposed to interest rate changes. Our interest rate risk management objectives are to limit the impact of interest rate changes on earnings and cash flow primarily through a low to moderate level of overall borrowings. However, we currently have a substantial amount of debt outstanding. We manage our ratio of fixed- to floating-rate debt with the objective of achieving a mix that we believe is appropriate in light of anticipated changes in interest rates. We closely monitor interest rates and will continue to consider the sources and terms of our borrowing facilities to determine whether we have appropriately guarded ourselves against the risk of increasing interest rates in future periods.

Additionally, we have entered into interest rate swaps, and may enter into other interest rate swaps, caps, or other arrangements to mitigate our interest rate risk on a related financial instrument. We do not enter into derivative or interest rate transactions for speculative purposes; however, certain of our derivatives may not qualify for hedge accounting treatment. All of our debt was entered into for other-than-trading purposes.

Our financial instruments consist of both fixed-rate and variable-rate debt. Our variable-rate borrowings consist of the JPMorgan Chase Credit Facility, the $450 Million Term Loan and the 333 Market Street Building mortgage note. However, only the JPMorgan Chase Credit Facility bears interest at an effectively variable rate, as the variable rates on the $450 Million Term Loan and the 333 Market Street Building mortgage note have been effectively fixed through the interest rate swap agreements described in the "Liquidity and Capital Resources" section of Item 2, Management's Discussion and Analysis.

As of March 31, 2014, we had no outstanding borrowings under the JPMorgan Chase Credit Facility; $450.0 million outstanding on the $450 Million Term Loan; $207.4 million outstanding on the 333 Market Street Building mortgage note; $249.0 million in 5.875% bonds outstanding; and $582.0million outstanding on fixed-rate, term mortgage loans. The weighted-average interest rate of all of our debt instruments was 4.38% as of March 31, 2014.

Approximately $1,488.4 million of our total debt outstanding as of March 31, 2014, is subject to fixed rates, either directly or when coupled with an interest rate swap agreement. As of March 31, 2014, these balances incurred interest expense at an average interest rate of 4.38% and have expirations ranging from 2014 through 2023. A change in the market interest rate impacts the net financial instrument position of our fixed-rate debt portfolio; however, it has no impact on interest incurred or cash flows. The amounts outstanding on our variable-rate debt facility in the future will largely depend upon future acquisition and disposition activity.

We do not believe there is any exposure to increases in interest rates related to the capital lease obligations of $120.0 million at March 31, 2014, as the obligations are at fixed interest rates.

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ITEM 4. CONTROLS AND PROCEDURES

Management's Conclusions Regarding the Effectiveness of Disclosure Controls and Procedures

We carried out an evaluation, under the supervision and with the participation of management, including the Principal Executive Officer and Principal Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rule 13a-15(e) under the Securities Exchange Act of 1934 as of the end of the period covered by this report. Based upon that evaluation, the Principal Executive Officer and Principal Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report in providing a reasonable level of assurance that information we are required to disclose in reports that we file or submit under the Securities Exchange Act of 1934 is recorded, processed, summarized, and reported within the time periods in SEC rules and forms, including providing a reasonable level of assurance that information required to be disclosed by us in such reports is accumulated and communicated to our management, including our Principal Executive Officer and our Principal Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended March 31, 2014 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

From time to time, we are party to legal proceedings, which arise in the ordinary course of our business. We are not currently involved in any legal proceedings of which the outcome is reasonably likely to have a material adverse effect on our results of operations or financial condition, nor are we aware of any such legal proceedings contemplated by governmental authorities.

ITEM 1A. RISK FACTORS

There have been no material changes from the risk factors disclosed in the "Risk Factors" section of our Annual Report on Form 10-K for the year ended December 31, 2013.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) During the quarter ended March 31, 2014 we did not sell any equity securities that were not registered under the Securities Act of 1933.

(b) Not applicable.

(c) During the quarter ended March 31, 2014, we redeemed shares as follows (in thousands, except per-share amounts):

Period	Total Number of Shares Purchased(1)	Average  Price Paid  per Share(1)
January 2014	12,752	$	24.82
February 2014	—	$	—
March 2014	—	$	—

⁽¹⁾  All activity for the first quarter of 2014 related to the remittances of shares for income taxes associated with stock grants under the 2013 Long-Term Incentive Plan (see Note 7, Stockholders' Equity).

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

(a) There have been no defaults with respect to any of our indebtedness.

(b) Not applicable.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

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ITEM 5. OTHER INFORMATION

(a) During the first quarter of 2014, there was no information that was required to be disclosed in a report of Form 8-K that was not disclosed in a report on Form 8-K.

(b) There are no material changes to the procedures by which stockholders may recommend nominees to our board of directors since the filing of our most recent Schedule 14A.

ITEM 6. EXHIBITS

The exhibits required to be filed with this report are set forth on the Exhibit Index to this quarterly report attached hereto.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		COLUMBIA PROPERTY TRUST, INC. (Registrant)
Dated:	May 8, 2014	By:	/s/ JAMES A. FLEMING
			James A. Fleming Executive Vice President and Chief Financial Officer

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EXHIBIT INDEX TO

FIRST QUARTER 2014 FORM 10-Q OF

COLUMBIA PROPERTY TRUST, INC.

The following documents are filed as exhibits to this report. Exhibits that are not required for this report are omitted.

Ex.	Description
3.1	Second Amended and Restated Articles of Incorporation as Amended by the First, Second, and Third Articles of Amendment and the Articles Supplementary (incorporated by reference to Exhibit 3.1 to the Company's Quarterly Report on Form 10-Q filed with the Commission on November 5, 2013).
3.2	Second Articles of Amendment (incorporated by reference to Exhibit 3.1 to the Company's current Report on Form 8-K filed with the Commission on August 15, 2013).
3.3	Third Articles of Amendment (incorporated by reference to Exhibit 3.2 to the Company's current Report on Form 8-K filed with the Commission on August 15, 2013).
3.4	Articles Supplementary (incorporated by reference to Exhibit 3.1 to the Company's current Report on Form 8-K filed with the Commission on September 4, 2013).
3.5	Third Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed with the Commission on September 4, 2013).
4.1	Statement regarding restrictions on transferability of shares of common stock (to appear on stock certificate or to be sent upon request and without charge to stockholders issued shares without certificates) (incorporated by reference to Exhibit 4.1 to the Company's Annual Report on Form 10-K filed with the Commission on March 1, 2013).
31.1*	Certification of the Principal Executive Officer of the Company, pursuant to Securities Exchange Act Rules 13a-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Principal Financial Officer of the Company, pursuant to Securities Exchange Act Rules 13a-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of the Principal Executive Officer and Principal Financial Officer of the Company, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS**	XBRL Instance Document.
101.SCH**	XBRL Taxonomy Extension Schema.
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase.
101.DEF**	XBRL Taxonomy Extension Definition Linkbase.
101.LAB**	XBRL Taxonomy Extension Label Linkbase.
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase.
*	Filed herewith.
**	Furnished with this Form 10-Q.

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EX-31.1

EXHIBIT 31.1

PRINCIPAL EXECUTIVE OFFICER

CERTIFICATION

PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. 1350)

I, E. Nelson Mills, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Columbia Property Trust, Inc. for the quarter ended March 31, 2014;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated:	May 8, 2014	By:	/s/ E. Nelson Mills
			E. Nelson Mills
			Principal Executive Officer

EX-31.2

EXHIBIT 31.2

PRINCIPAL FINANCIAL OFFICER

CERTIFICATION

PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. 1350)

I, James A. Fleming, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Columbia Property Trust, Inc. for the quarter ended March 31, 2014;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated:	May 8, 2014	By:	/s/ James A. Fleming
			James A. Fleming
			Principal Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

AND PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. 1350)

In connection with the Quarterly Report of Columbia Property Trust, Inc. (the "Registrant") on Form 10-Q for the quarter ended March 31, 2014, as filed with the Securities and Exchange Commission (the "Report"), the undersigned, E. Nelson Mills, Principal Executive Officer of the Registrant, and James A. Fleming, Principal Financial Officer of the Registrant, hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) that, to the best of our knowledge and belief:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

/s/ E. NELSON MILLS

E. Nelson Mills

Principal Executive Officer

May 8, 2014

/s/ JAMES A. FLEMING

James A. Fleming

Principal Financial Officer

May 8, 2014

XML

Summary of Significant Accounting Policies (Interest Rate Swaps) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Interest Rate Contract Accounts Payable	Dec. 31, 2013 Interest Rate Contract Accounts Payable
Derivative, Fair Value, Net [Abstract]
Derivative designated as hedging instruments			$ (3,053)	$ (3,307)
Derivatives not designated as hedging instruments			(6,481)	(7,579)
Summary of Derivative Instruments Impact on Results of Operations [Abstract]
Market value adjustment to interest rate swap designated as a hedge instrument included in other comprehensive income	254	549
Loss on interest rate swaps recognized through earnings	$ (230)	$ 57

XML

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Narratives) (Details) (USD $)	Mar. 31, 2014
Guarantor Obligations [Line Items]
Ownership percentage of wholly owned subsidiary	100.00%
$450 Million Term Loan | Term Loans
Guarantor Obligations [Line Items]
Debt face amount	$ 450,000,000.0

XML

Supplemental Disclosures of Noncash Investing and Financing Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Supplemental Cash Flow Information [Abstract]
Other assets assumed at acquisition	$ 0	$ 680
Other liabilities assumed at acquisition	0	680
Other liabilities settled at disposition	0	872
Interest accruing to notes payable	0	78
Amortization of premiums on debt	(88)	(89)
Market value adjustment to interest rate swaps that qualify for hedge accounting treatment	254	549
Accrued capital expenditures and deferred lease costs	6,669	7,300
Accrued deferred financing costs	24	0
Accrued redemptions of common stock	0	1,554
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)	189	0
Increase in redeemable common stock	$ 0	$ 59,981

XML

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Condensed Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Assets:
Land	$ 703,552	$ 706,938
Buildings and improvements, net	2,943,522	2,976,287
Intangible lease assets, net	271,273	281,220
Construction in progress	10,480	7,949
Total real estate assets	3,928,827	3,972,394
Cash and cash equivalents	86,243	99,855	68,623	53,657
Investment in subsidiaries	0	0
Tenant receivables, net of allowance	8,140	7,414
Straight line rent receivable	116,343	113,592
Prepaid expenses and other assets	39,969	32,423
Deferred financing costs, net	9,588	10,388
Intangible lease origination costs, net	140,457	148,889
Deferred lease costs, net	98,563	87,527
Investment in development authority bonds	120,000	120,000
Total assets	4,548,130	4,592,482
Liabilities:
Line of credit and notes payable	1,239,452	1,240,249
Bonds payable, net	248,993	248,930
Accounts payable, accrued expenses, and accrued capital expenditures	90,096	99,678
Due to affiliates	0	0
Deferred income	24,628	21,938
Intangible lease liabilities, net	70,783	73,864
Obligations under capital leases	120,000	120,000
Total liabilities	1,793,952	1,804,659
Equity:
Total equity	2,754,178	2,787,823	3,014,254	3,163,980
Total liabilities and equity	4,548,130	4,592,482
Columbia Property Trust (Parent) (Guarantor)
Assets:
Cash and cash equivalents			20,503	20,914
Columbia Property Trust OP (the Issuer)
Assets:
Cash and cash equivalents			15,070	4,822
Non- Guarantors
Assets:
Cash and cash equivalents			33,050	27,921
Reportable Legal Entities | Columbia Property Trust (Parent) (Guarantor)
Assets:
Land	0	0
Buildings and improvements, net	0	0
Intangible lease assets, net	0	0
Construction in progress	0	0
Total real estate assets	0	0
Cash and cash equivalents	25,497	53,322
Investment in subsidiaries	2,541,298	2,557,347
Tenant receivables, net of allowance	0	0
Straight line rent receivable	0	0
Prepaid expenses and other assets	187,477	177,185
Deferred financing costs, net	0	0
Intangible lease origination costs, net	0	0
Deferred lease costs, net	0	0
Investment in development authority bonds	0	0
Total assets	2,754,272	2,787,854
Liabilities:
Line of credit and notes payable	0	0
Bonds payable, net	0	0
Accounts payable, accrued expenses, and accrued capital expenditures	94	31
Due to affiliates	0	0
Deferred income	0	0
Intangible lease liabilities, net	0	0
Obligations under capital leases	0	0
Total liabilities	94	31
Equity:
Total equity	2,754,178	2,787,823
Total liabilities and equity	2,754,272	2,787,854
Reportable Legal Entities | Columbia Property Trust OP (the Issuer)
Assets:
Land	6,241	6,241
Buildings and improvements, net	24,281	24,185
Intangible lease assets, net	0	0
Construction in progress	154	28
Total real estate assets	30,676	30,454
Cash and cash equivalents	40,402	20,708
Investment in subsidiaries	2,283,550	2,286,982
Tenant receivables, net of allowance	197	0
Straight line rent receivable	24	22
Prepaid expenses and other assets	149,739	150,806
Deferred financing costs, net	8,048	8,762
Intangible lease origination costs, net	0	0
Deferred lease costs, net	1,507	1,495
Investment in development authority bonds	0	0
Total assets	2,514,143	2,499,229
Liabilities:
Line of credit and notes payable	450,000	450,000
Bonds payable, net	248,993	248,930
Accounts payable, accrued expenses, and accrued capital expenditures	14,432	11,816
Due to affiliates	12	(925)
Deferred income	185	146
Intangible lease liabilities, net	0	0
Obligations under capital leases	0	0
Total liabilities	713,622	709,967
Equity:
Total equity	1,800,521	1,789,262
Total liabilities and equity	2,514,143	2,499,229
Reportable Legal Entities | Non- Guarantors
Assets:
Land	697,311	700,697
Buildings and improvements, net	2,919,241	2,952,102
Intangible lease assets, net	271,273	281,220
Construction in progress	10,326	7,921
Total real estate assets	3,898,151	3,941,940
Cash and cash equivalents	20,344	25,825
Investment in subsidiaries	0	0
Tenant receivables, net of allowance	7,943	7,414
Straight line rent receivable	116,319	113,570
Prepaid expenses and other assets	24,427	26,602
Deferred financing costs, net	1,540	1,626
Intangible lease origination costs, net	140,457	148,889
Deferred lease costs, net	97,056	86,032
Investment in development authority bonds	120,000	120,000
Total assets	4,426,237	4,471,898
Liabilities:
Line of credit and notes payable	1,109,545	1,110,838
Bonds payable, net	0	0
Accounts payable, accrued expenses, and accrued capital expenditures	75,570	87,831
Due to affiliates	1,569	2,506
Deferred income	24,443	21,792
Intangible lease liabilities, net	70,783	73,864
Obligations under capital leases	120,000	120,000
Total liabilities	1,401,910	1,416,831
Equity:
Total equity	3,024,327	3,055,067
Total liabilities and equity	4,426,237	4,471,898
Consolidating adjustments
Assets:
Land	0	0
Buildings and improvements, net	0	0
Intangible lease assets, net	0	0
Construction in progress	0	0
Total real estate assets	0	0
Cash and cash equivalents	0	0
Investment in subsidiaries	(4,824,848)	(4,844,329)
Tenant receivables, net of allowance	0	0
Straight line rent receivable	0	0
Prepaid expenses and other assets	(321,674)	(322,170)
Deferred financing costs, net	0	0
Intangible lease origination costs, net	0	0
Deferred lease costs, net	0	0
Investment in development authority bonds	0	0
Total assets	(5,146,522)	(5,166,499)
Liabilities:
Line of credit and notes payable	(320,093)	(320,589)
Bonds payable, net	0	0
Accounts payable, accrued expenses, and accrued capital expenditures	0	0
Due to affiliates	(1,581)	(1,581)
Deferred income	0	0
Intangible lease liabilities, net	0	0
Obligations under capital leases	0	0
Total liabilities	(321,674)	(322,170)
Equity:
Total equity	(4,824,848)	(4,844,329)
Total liabilities and equity	$ (5,146,522)	$ (5,166,499)

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Stockholder's Equity - Unvested Activity Rollforward (Details) (2013 Long Term Incentive Plan, USD $)	0 Months Ended	3 Months Ended
	Jan. 21, 2014	Mar. 31, 2014
2013 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares expected to ultimately vest		102,000
Expected forfeiture rate		5.00%
Shares Rollforward
Unvested shares as of		0
Granted	143,740	144,000
Vested		(36,000)
Forfeited		0
Unvested shares as of		108,000	[1]
Weighted-Average, Grant-Date Fair Value Rollforward
Unvested shares as of		$ 0.00	[2]
Granted		$ 24.82	[2]
Vested		$ 24.82	[2]
Forfeited		$ 0.00	[2]
Unvested shares as of		$ 24.82	[2]

[1] As of March 31, 2014, we expect approximately 102,000 of the 108,000 unvested shares to ultimately vest, assuming a forfeiture rate of 5.0%, which was determined based on peer company data, adjusted for the specifics of the 2013 Long-Term Incentive Plan.

[2] Columbia Property Trust determined the weighted-average, grant-date fair value using the market closing price on the date of the grant.

XML

Summary of Significant Accounting Policies (Narratives) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 Properties	Mar. 31, 2013	Dec. 31, 2013
Significant Accounting Policies [Line Items]
Impairment losses on real estate assets	$ 13,550,000	$ 0
Real estate held for sale, number of properties	0
Amortization of intangible assets	18,245,000	21,329,000
Fair value of interest rate swaps	(9,500,000)		(10,900,000)
Requirement to distribute taxable income (percent)	90.00%
Limit on investments in taxable real estate investment trusts (percent)	25.00%
Building
Significant Accounting Policies [Line Items]
Estimated useful life of real estate assets (in years)	40 years
Site Improvements
Significant Accounting Policies [Line Items]
Estimated useful life of real estate assets (in years)	15 years
Below-Market Lease Assets
Significant Accounting Policies [Line Items]
Gross intangible assets	110,700,000		110,700,000
Amortization of intangible assets	500,000	500,000
Minimum | Building Improvements
Significant Accounting Policies [Line Items]
Estimated useful life of real estate assets (in years)	5 years
Maximum | Building Improvements
Significant Accounting Policies [Line Items]
Estimated useful life of real estate assets (in years)	25 years
18 Property Sale
Significant Accounting Policies [Line Items]
Number of properties subject to be sold		18
Fair value determined by net contract price	500,000,000
Impairment losses on real estate assets	12,900,000
120 Eagle Rock | Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Impairment losses on real estate assets		11,700,000
333 & 777 Republic Drive | Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Impairment losses on real estate assets		5,200,000
180 Park Avenue 103 | Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Impairment losses on real estate assets	$ 13,600,000

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Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Consolidating Statements of Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ 3,400	$ (22,608)
Foreign currency translation adjustment		(83)
Market value adjustment to interest rate swap	254	549
Comprehensive income (loss)	3,654	(22,142)
Reportable Legal Entities | Columbia Property Trust (Parent) (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	3,400	(22,608)
Foreign currency translation adjustment		(83)
Market value adjustment to interest rate swap	254	549
Comprehensive income (loss)	3,654	(22,142)
Reportable Legal Entities | Columbia Property Trust OP (the Issuer)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	411	(20,657)
Foreign currency translation adjustment		0
Market value adjustment to interest rate swap	254	549
Comprehensive income (loss)	665	(20,108)
Reportable Legal Entities | Non- Guarantors
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	9,361	18,782
Foreign currency translation adjustment		(83)
Market value adjustment to interest rate swap	0	0
Comprehensive income (loss)	9,361	18,699
Consolidating adjustments
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(9,772)	1,875
Foreign currency translation adjustment		83
Market value adjustment to interest rate swap	(254)	(549)
Comprehensive income (loss)	$ (10,026)	$ 1,409

XML

Line of Credit and Notes Payable (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Schedule of line of credit and notes payable indebtedness outstanding

As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following line of credit and notes payable indebtedness outstanding (excluding bonds payable; see Note 5, Bonds Payable) in thousands:

Facility	March 31, 2014		December 31, 2013
$450 Million Term Loan	$	450,000	$	450,000
Market Square Buildings mortgage note	325,000		325,000
333 Market Street Building mortgage note	207,374		207,559
100 East Pratt Street Building mortgage note	105,000		105,000
263 Shuman Boulevard Building mortgage note	49,000		49,000
SanTan Corporate Center mortgage notes	39,000		39,000
One Glenlake Building mortgage note	34,068		34,713
215 Diehl Road Building mortgage note	21,000		21,000
544 Lakeview Building mortgage note	9,010		8,977
JPMorgan Chase Credit Facility	—		—
Total indebtedness	$	1,239,452	$	1,240,249

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Related-Party Transactions and Agreements (Schedule of Related-Party Costs) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013
Related Party Transaction [Line Items]
Total related-party costs	$ 0				$ 38,873,000
Tenant reimbursements					700,000
Consulting Fees
Related Party Transaction [Line Items]
Total related-party costs	0	[1]			25,417,000	[1],[2]
Payment for related party costs	2,500,000
Related party transaction, due in remainder of fiscal year	22,900,000
Transition Services
Related Party Transaction [Line Items]
Total related-party costs	0	[2]			5,750,000	[2],[3]
Payment for related party costs			1,500,000	1,500,000	1,500,000
Related party transition services fees due in fourth quarter	1,300,000
Asset Management Fees
Related Party Transaction [Line Items]
Total related-party costs	0				5,083,000
Administrative Reimbursements, Net
Related Party Transaction [Line Items]
Total related-party costs	0	[3]			1,821,000	[3]
Property Management Fees
Related Party Transaction [Line Items]
Total related-party costs	0				523,000
Construction Fees
Related Party Transaction [Line Items]
Total related-party costs	0	[4]			139,000	[4]
Investor Services
Related Party Transaction [Line Items]
Total related-party costs	0				91,000
Other
Related Party Transaction [Line Items]
Total related-party costs	$ 0				$ 49,000

[1] $2.5 million of the $25.4 million of consulting fees incurred were paid during the three months ended March 31, 2013. The remaining $22.9 million were paid ratably over the remainder of 2013.

[2] $1.5 million of the $5.8 million of transition services fees incurred were paid during the three months ended March 31, 2013; $1.5 million was paid in both the second and third quarters of 2013; and the remaining $1.3 million was paid in the fourth quarter of 2013.

[3] Administrative reimbursements are presented net of reimbursements from tenants of approximately $0.7 million for the three months ended March 31, 2013.

[4] Construction fees are capitalized to real estate assets as incurred.

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Line of Credit and Notes Payable (Schedule of Long-Term Debt (excluding Bonds Payable)) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total indebtedness	$ 1,239,452	$ 1,240,249
Term Loans | $450 Million Term Loan
Debt Instrument [Line Items]
Total indebtedness	450,000	450,000
Mortgage Notes | Market Square Buildings mortgage note
Debt Instrument [Line Items]
Total indebtedness	325,000	325,000
Mortgage Notes | 333 Market Street Building mortgage note
Debt Instrument [Line Items]
Total indebtedness	207,374	207,559
Mortgage Notes | 100 East Pratt Street Building mortgage note
Debt Instrument [Line Items]
Total indebtedness	105,000	105,000
Mortgage Notes | 263 Shuman Boulevard mortgage note
Debt Instrument [Line Items]
Total indebtedness	49,000	49,000
Mortgage Notes | SanTan Corporate Center mortgage notes
Debt Instrument [Line Items]
Total indebtedness	39,000	39,000
Mortgage Notes | One Glenlake Building mortgage note
Debt Instrument [Line Items]
Total indebtedness	34,068	34,713
Mortgage Notes | 215 Diehl Road Building mortgage note
Debt Instrument [Line Items]
Total indebtedness	21,000	21,000
Mortgage Notes | 544 Lakeview Building mortgage note
Debt Instrument [Line Items]
Total indebtedness	9,010	8,977
Credit Facilities | JPMorgan Chase Credit Facility
Debt Instrument [Line Items]
Total indebtedness	$ 0	$ 0

XML

Summary of Significant Accounting Policies (Schedule of Future Amortization by Intangible Asset Class) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets, Net [Abstract]
Intangible lease assets, net	$ 271,273	$ 281,220
Intangible Lease Origination Costs, Net	140,457	148,889
Below Market Lease [Abstract]
For the nine months ending December 31, 2014	9,200
2015	10,860
2016	8,513
2017	6,477
2018	5,787
2019	5,226
Thereafter	24,720
Below Market Lease, Net	70,783	73,864
Above-Market In-Place Lease Assets
Finite-Lived Intangible Assets, Net [Abstract]
For the nine months ended December 31, 2014	4,047
2015	4,555
2016	3,823
2017	1,954
2018	1,150
2019	1,083
Thereafter	6,009
Intangible lease assets, net	22,621	23,977
Absorption Period Costs
Finite-Lived Intangible Assets, Net [Abstract]
For the nine months ended December 31, 2014	23,823
2015	28,323
2016	21,786
2017	16,087
2018	12,407
2019	11,293
Thereafter	37,828
Intangible lease assets, net	151,547	159,621
Intangible Lease Origination Costs
Finite-Lived Intangible Assets, Net [Abstract]
For the nine months ended December 31, 2014	24,428
2015	29,338
2016	22,426
2017	15,980
2018	11,542
2019	10,437
Thereafter	26,306
Intangible Lease Origination Costs, Net	$ 140,457	$ 148,889

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Discontinued Operations (Schedule of Revenue and Expenses from Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Rental income	$ 3	$ 15,122
Tenant reimbursements	(51)	3,365
Revenues	(48)	18,487
Expenses:
Property operating costs	(347)	6,305
Asset and property management fees	7	1,158
Depreciation	0	3,917
Amortization	0	2,045
Impairment loss on real estate assets	0	16,867
General and administrative	18	1,035
Total expenses	(322)	31,327
Real estate operating income (loss)	274	(12,840)
Other income (expense):
Interest expense	0	(1,126)
Interest and other income	3	3
Income (loss) from discontinued operations before income tax expense	277	(13,963)
Income tax expense	0	(4)
Income (loss) from discontinued operations	277	(13,967)
Gain (loss) on disposition of discontinued operations	(328)	10,014
Loss from discontinued operations	$ (51)	$ (3,953)

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Stockholder's Equity - Summary of Shares Granted to Independent Directors (Details) (2013 Long Term Incentive Plan, USD $)	0 Months Ended	3 Months Ended		0 Months Ended
	Jan. 21, 2014	Mar. 31, 2014		Jan. 21, 2014 Director January 21, 2014	Apr. 02, 2014 Subsequent Event Director April 1, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock granted to employees	143,740	144,000		3,344	2,968
Weighted average grant date fair value of shares granted		$ 24.82	[1]	$ 24.82	$ 27.22

[1] Columbia Property Trust determined the weighted-average, grant-date fair value using the market closing price on the date of the grant.

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Organization

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

Organization

Columbia Property Trust, Inc ("Columbia Property Trust") (NYSE: CXP) is a Maryland corporation that operates in a manner as to qualify as a real estate investment trust ("REIT") for federal income tax purposes and engages in the acquisition and ownership of commercial real estate properties, including properties that have operating histories, are newly constructed, or are under construction. Columbia Property Trust was incorporated in 2003, commenced operations in 2004, and conducts business primarily through Columbia Property Trust Operating Partnership, L.P. ("Columbia Property Trust OP"), a Delaware limited partnership. Columbia Property Trust is the general partner and sole owner of Columbia Property Trust OP and possesses full legal control and authority over its operations. Columbia Property Trust OP acquires, develops, owns, leases, and operates real properties directly, through wholly owned subsidiaries, or through joint ventures. References to Columbia Property Trust, "we," "us," or "our" herein shall include Columbia Property Trust and all subsidiaries of Columbia Property Trust, direct and indirect, and consolidated joint ventures.

Columbia Property Trust typically invests in high-quality, income-generating office properties leased to creditworthy companies and governmental entities. As of March 31, 2014, Columbia Property Trust owned controlling interests in 42 office properties and one hotel, which includes 59operational buildings. These properties are comprised of approximately 16.8 million square feet of commercial space and are located in 13 states and the District of Columbia. As of March 31, 2014, 41 of the office properties were wholly owned and the remaining property was owned through a consolidated subsidiary; the office properties were approximately 92.4% leased.

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Line of Credit and Notes Payable (Details) (USD $)		3 Months Ended
	Aug. 21, 2013 $450 Million Term Loan Amended	Mar. 31, 2014 Loans Payable	Mar. 31, 2013 Loans Payable	Dec. 31, 2013 Loans Payable
Debt Instrument [Line Items]
Debt face amount	$ 450,000,000.0
Estimated fair value of line of credit and notes payable		1,251,900,000		1,245,300,000
Interest payments		13,000,000	15,000,000
Interest capitalized		$ 0	$ 0

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2014

Discontinued Operation, Additional Disclosures [Abstract]

Schedule of revenues and expenses of the above-described discontinued operations

The following table shows the revenues and expenses of the above-described discontinued operations (in thousands):

	Three months ended March 31,
	2014			2013
Revenues:
Rental income	$	3		$	15,122
Tenant reimbursements	(51		)	3,365
	(48		)	18,487
Expenses:
Property operating costs	(347		)	6,305
Asset and property management fees	7			1,158
Depreciation	—			3,917
Amortization	—			2,045
Impairment loss on real estate assets	—			16,867
General and administrative	18			1,035
Total expenses	(322		)	31,327
Operating income (loss)	274			(12,840		)
Other income (expense):
Interest expense	—			(1,126		)
Interest and other income	3			3
Income (loss) from discontinued operations before income tax expense	277			(13,963		)
Income tax expense	—			(4		)
Income (loss) from discontinued operations	277			(13,967		)
Gain (loss) on disposition of discontinued operations	(328		)	10,014
Loss from discontinued operations	$	(51	)	$	(3,953	)

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Related-Party Transactions and Agreements (Tables)

3 Months Ended

Mar. 31, 2014

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Pursuant to the terms of the agreements described above, Columbia Property Trust incurred the following related-party costs for the three months endedMarch 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014		2013
Consulting fees(1)	$	—	$	25,417
Transition services(2)	—		5,750
Asset management fees	—		5,083
Administrative reimbursements, net(3)	—		1,821
Property management fees	—		523
Construction fees(4)	—		139
Investor services	—		91
Other	—		49
Total	$	—	$	38,873

⁽¹⁾ $2.5 million of the $25.4 million of consulting fees incurred were paid during the three months ended March 31, 2013. The remaining $22.9 million were paid ratably over the remainder of 2013.

⁽²⁾  $1.5 million of the $5.8 million of transition services fees incurred were paid during the three months ended March 31, 2013; $1.5 million was paid in both the second and third quarters of 2013; and the remaining $1.3 million was paid in the fourth quarter of 2013.

⁽³⁾  Administrative reimbursements are presented net of reimbursements from tenants of approximately $0.7 million for the three months ended March 31, 2013.

⁽⁴⁾  Construction fees are capitalized to real estate assets as incurred.

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Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Consolidating Statements of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Rental income	$ 100,567	$ 101,306
Tenant reimbursements	23,733	22,244
Hotel income	4,061	4,954
Other property income	807	288
Revenues	129,168	128,792
Expenses:
Property operating costs	38,980	37,584
Hotel operating costs	4,141	4,261
Related-party	0	4,693
Other	289	613
Depreciation	27,304	26,710
Amortization	18,521	19,902
Impairment losses on real estate assets	13,550	0
General and administrative	6,946	36,819
Costs and expenses	109,731	130,582
Real estate operating income (loss)	19,437	(1,790)
Other income (expense):
Interest expense	(17,910)	(26,134)
Interest and other income	1,810	9,111
Gain (loss) on interest rate swaps	(230)	57
Income from equity investment	0	0
Nonoperating income (expense)	(16,330)	(16,966)
Income (loss) before income tax benefit	3,107	(18,756)
Income tax benefit (expense)	344	101
Income (loss) from continuing operations	3,451	(18,655)
Discontinued operations:
Operating loss from discontinued operations	277	(13,967)
Gain (loss) on disposition of discontinued operations	(328)	10,014
Loss from discontinued operations	(51)	(3,953)
Net income (loss)	3,400	(22,608)
Reportable Legal Entities | Columbia Property Trust (Parent) (Guarantor)
Revenues:
Rental income	0	0
Tenant reimbursements	0	0
Hotel income	0	0
Other property income	0	0
Revenues	0	0
Expenses:
Property operating costs	0	0
Hotel operating costs	0	0
Related-party	0	4,397
Other	0	0
Depreciation	0	0
Amortization	0	0
Impairment losses on real estate assets	0
General and administrative	29	0
Costs and expenses	29	4,397
Real estate operating income (loss)	(29)	(4,397)
Other income (expense):
Interest expense	0	0
Interest and other income	1,988	1,997
Gain (loss) on interest rate swaps	0	0
Income from equity investment	1,441	(20,208)
Nonoperating income (expense)	3,429	(18,211)
Income (loss) before income tax benefit	3,400	(22,608)
Income tax benefit (expense)	0	0
Income (loss) from continuing operations	3,400	(22,608)
Discontinued operations:
Operating loss from discontinued operations	0	0
Gain (loss) on disposition of discontinued operations	0	0
Loss from discontinued operations	0	0
Net income (loss)	3,400	(22,608)
Reportable Legal Entities | Columbia Property Trust OP (the Issuer)
Revenues:
Rental income	109	101
Tenant reimbursements	46	103
Hotel income	0	0
Other property income	0	17
Revenues	155	221
Expenses:
Property operating costs	610	475
Hotel operating costs	0	0
Related-party	4	3
Other	0	0
Depreciation	381	233
Amortization	9	7
Impairment losses on real estate assets	0
General and administrative	2,617	33,705
Costs and expenses	3,621	34,423
Real estate operating income (loss)	(3,466)	(34,202)
Other income (expense):
Interest expense	(7,434)	(8,177)
Interest and other income	2,695	2,732
Gain (loss) on interest rate swaps	0	0
Income from equity investment	8,617	18,333
Nonoperating income (expense)	3,878	12,888
Income (loss) before income tax benefit	412	(21,314)
Income tax benefit (expense)	(1)	(1)
Income (loss) from continuing operations	411	(21,315)
Discontinued operations:
Operating loss from discontinued operations	0	658
Gain (loss) on disposition of discontinued operations	0	0
Loss from discontinued operations	0	658
Net income (loss)	411	(20,657)
Reportable Legal Entities | Non- Guarantors
Revenues:
Rental income	100,547	101,234
Tenant reimbursements	23,687	22,141
Hotel income	4,061	4,954
Other property income	844	303
Revenues	129,139	128,632
Expenses:
Property operating costs	38,459	37,138
Hotel operating costs	4,141	4,261
Related-party	0	313
Other	575	613
Depreciation	26,923	26,477
Amortization	18,512	19,895
Impairment losses on real estate assets	13,550
General and administrative	4,333	3,126
Costs and expenses	106,493	91,823
Real estate operating income (loss)	22,646	36,809
Other income (expense):
Interest expense	(15,158)	(22,685)
Interest and other income	1,809	9,110
Gain (loss) on interest rate swaps	(230)	57
Income from equity investment	0	0
Nonoperating income (expense)	(13,579)	(13,518)
Income (loss) before income tax benefit	9,067	23,291
Income tax benefit (expense)	345	102
Income (loss) from continuing operations	9,412	23,393
Discontinued operations:
Operating loss from discontinued operations	277	(14,625)
Gain (loss) on disposition of discontinued operations	(328)	10,014
Loss from discontinued operations	(51)	(4,611)
Net income (loss)	9,361	18,782
Consolidating adjustments
Revenues:
Rental income	(89)	(29)
Tenant reimbursements	0	0
Hotel income	0	0
Other property income	(37)	(32)
Revenues	(126)	(61)
Expenses:
Property operating costs	(89)	(29)
Hotel operating costs	0	0
Related-party	(4)	(20)
Other	(286)	0
Depreciation	0	0
Amortization	0	0
Impairment losses on real estate assets	0
General and administrative	(33)	(12)
Costs and expenses	(412)	(61)
Real estate operating income (loss)	286	0
Other income (expense):
Interest expense	4,682	4,728
Interest and other income	(4,682)	(4,728)
Gain (loss) on interest rate swaps	0	0
Income from equity investment	(10,058)	1,875
Nonoperating income (expense)	(10,058)	1,875
Income (loss) before income tax benefit	(9,772)	1,875
Income tax benefit (expense)	0	0
Income (loss) from continuing operations	(9,772)	1,875
Discontinued operations:
Operating loss from discontinued operations	0	0
Gain (loss) on disposition of discontinued operations	0	0
Loss from discontinued operations	0	0
Net income (loss)	$ (9,772)	$ 1,875

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Bonds Payable (Narratives) (Details) (USD $)			12 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2011 Bonds Payable	Mar. 31, 2014 Bonds Payable 2018 Bonds Payable	Mar. 31, 2013 Bonds Payable 2018 Bonds Payable	Dec. 31, 2011 Bonds Payable 2018 Bonds Payable	Mar. 31, 2014 Fair Value, Inputs, Level 2 Bonds Payable 2018 Bonds Payable	Dec. 31, 2013 Fair Value, Inputs, Level 2 Bonds Payable 2018 Bonds Payable
Debt Instrument [Line Items]
Face amount of issued debt instrument						$ 250,000,000.0
Maturity period of debt instrument (in years)			7 years
Interest rate for debt instrument (percent)						5.875%
Discount rate of face value of issued debt instrument (in percent)						99.295%
Net proceeds received from issuance of bonds payable						246,700,000
Frequency of interest payments						semi-annual
Initial issuance discount of bonds payable	1,007,000	1,070,000				1,800,000
Maturity date				Apr. 01, 2018
Interest payments				0	0
Estimated fair value of debt instrument							$ 250,800,000	$ 250,800,000

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings per Share Computations

The following table reconciles the numerator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014			2013
Net income (loss)	$	3,400		$	(22,608	)
Distributions paid on unvested shares	(32		)	—
Net income (loss) used to calculate basic and diluted earnings per share	$	3,368		$	(22,608	)

The following table reconciles the denominator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014	2013
Weighted-average common shares - basic	124,851	136,521
Plus incremental weighted-average shares from time-vested conversions less assumed share repurchases:
2013 LTIP Employee Grant	23	—
2014 LTIP Employee Grant	13	—
Weighted-average common shares - diluted	124,887	136,521

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Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2014

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non Guarantor Subsidiaries [Abstract]

Condensed Consolidating Balance Sheets

Condensed Consolidating Balance Sheets (in thousands)

	As of March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia  Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241	$	697,311	$	—		$	703,552
Buildings and improvements, net	—		24,281		2,919,241		—			2,943,522
Intangible lease assets, net	—		—		271,273		—			271,273
Construction in progress	—		154		10,326		—			10,480
Total real estate assets	—		30,676		3,898,151		—			3,928,827
Cash and cash equivalents	25,497		40,402		20,344		—			86,243
Investment in subsidiaries	2,541,298		2,283,550		—		(4,824,848		)	—
Tenant receivables, net of allowance	—		197		7,943		—			8,140
Straight line rent receivable	—		24		116,319		—			116,343
Prepaid expenses and other assets	187,477		149,739		24,427		(321,674		)	39,969
Deferred financing costs, net	—		8,048		1,540		—			9,588
Intangible lease origination costs, net	—		—		140,457		—			140,457
Deferred lease costs, net	—		1,507		97,056		—			98,563
Investment in development authority bonds	—		—		120,000		—			120,000
Total assets	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130
Liabilities:
Line of credit and notes payable	$	—	$	450,000	$	1,109,545	$	(320,093	)	$	1,239,452
Bonds payable, net	—		248,993		—		—			248,993
Accounts payable, accrued expenses, and accrued capital expenditures	94		14,432		75,570		—			90,096
Due to affiliates	—		12		1,569		(1,581		)	—
Deferred income	—		185		24,443		—			24,628
Intangible lease liabilities, net	—		—		70,783		—			70,783
Obligations under capital leases	—		—		120,000		—			120,000
Total liabilities	94		713,622		1,401,910		(321,674		)	1,793,952
Equity:
Total equity	2,754,178		1,800,521		3,024,327		(4,824,848		)	2,754,178
Total liabilities and equity	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130

Condensed Consolidating Balance Sheets (in thousands)

	As of December 31, 2013
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)			Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241		$	700,697	$	—		$	706,938
Building and improvements, net	—		24,185			2,952,102		—			2,976,287
Intangible lease assets, net	—		—			281,220		—			281,220
Construction in progress	—		28			7,921		—			7,949
Total real estate assets	—		30,454			3,941,940		—			3,972,394
Cash and cash equivalents	53,322		20,708			25,825		—			99,855
Investment in subsidiaries	2,557,347		2,286,982			—		(4,844,329		)	—
Tenant receivables, net of allowance	—		—			7,414		—			7,414
Straight line rent receivable	—		22			113,570		—			113,592
Prepaid expenses and other assets	177,185		150,806			26,602		(322,170		)	32,423
Deferred financing costs, net	—		8,762			1,626		—			10,388
Intangible lease origination costs, net	—		—			148,889		—			148,889
Deferred lease costs, net	—		1,495			86,032		—			87,527
Investment in development authority bonds	—		—			120,000		—			120,000
Total assets	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482
Liabilities:
Lines of credit and notes payable	$	—	$	450,000		$	1,110,838	$	(320,589	)	$	1,240,249
Bonds payable, net	—		248,930			—		—			248,930
Accounts payable, accrued expenses, and accrued capital expenditures	31		11,816			87,831		—			99,678
Due to (from) affiliates	—		(925		)	2,506		(1,581		)	—
Deferred income	—		146			21,792		—			21,938
Intangible lease liabilities, net	—		—			73,864		—			73,864
Obligations under capital leases	—		—			120,000		—			120,000
Total liabilities	31		709,967			1,416,831		(322,170		)	1,804,659
Equity:
Total equity	2,787,823		1,789,262			3,055,067		(4,844,329		)	2,787,823
Total liabilities, redeemable common stock, and equity	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482

Consolidating Statements of Operations

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	109		$	100,547		$	(89	)	$	100,567
Tenant reimbursements	—			46			23,687			—			23,733
Hotel income	—			—			4,061			—			4,061
Other property income	—			—			844			(37		)	807
	—			155			129,139			(126		)	129,168
Expenses:
Property operating costs	—			610			38,459			(89		)	38,980
Hotel operating costs	—			—			4,141			—			4,141
Asset and property management fees:
Related-party	—			4			—			(4		)	—
Other	—			—			575			(286		)	289
Depreciation	—			381			26,923			—			27,304
Amortization	—			9			18,512			—			18,521
Impairment loss on real estate assets	—			—			13,550			—			13,550
General and administrative	29			2,617			4,333			(33		)	6,946
	29			3,621			106,493			(412		)	109,731
Real estate operating income (loss)	(29		)	(3,466		)	22,646			286			19,437
Other income (expense):
Interest expense	—			(7,434		)	(15,158		)	4,682			(17,910		)
Interest and other income	1,988			2,695			1,809			(4,682		)	1,810
Loss on interest rate swaps	—			—			(230		)	—			(230		)
Income from equity investment	1,441			8,617			—			(10,058		)	—
	3,429			3,878			(13,579		)	(10,058		)	(16,330		)
Income before income tax expense	3,400			412			9,067			(9,772		)	3,107
Income tax benefit (expense)	—			(1		)	345			—			344
Income from continuing operations	3,400			411			9,412			(9,772		)	3,451
Discontinued operations:
Operating income from discontinued operations	—			—			277			—			277
Loss on disposition of discontinued operations	—			—			(328		)	—			(328		)
Loss from discontinued operations	—			—			(51		)	—			(51		)
Net income	$	3,400		$	411		$	9,361		$	(9,772	)	$	3,400

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	101		$	101,234		$	(29	)	$	101,306
Tenant reimbursements	—			103			22,141			—			22,244
Hotel income	—			—			4,954			—			4,954
Other property income	—			17			303			(32		)	288
	—			221			128,632			(61		)	128,792
Expenses:
Property operating costs	—			475			37,138			(29		)	37,584
Hotel operating costs	—			—			4,261			—			4,261
Asset and property management fees:
Related-party	4,397			3			313			(20		)	4,693
Other	—			—			613			—			613
Depreciation	—			233			26,477			—			26,710
Amortization	—			7			19,895			—			19,902
General and administrative	—			33,705			3,126			(12		)	36,819
	4,397			34,423			91,823			(61		)	130,582
Real estate operating income (loss)	(4,397		)	(34,202		)	36,809			—			(1,790		)
Other income (expense):
Interest expense	—			(8,177		)	(22,685		)	4,728			(26,134		)
Interest and other income	1,997			2,732			9,110			(4,728		)	9,111
Gain on interest rate swaps	—			—			57			—			57
Income (loss) from equity investment	(20,208		)	18,333			—			1,875			—
	(18,211		)	12,888			(13,518		)	1,875			(16,966		)
Income (loss) before income tax benefit (expense)	(22,608		)	(21,314		)	23,291			1,875			(18,756		)
Income tax benefit (expense)	—			(1		)	102			—			101
Income (loss) from continuing operations	(22,608		)	(21,315		)	23,393			1,875			(18,655		)
Discontinued operations:
Operating income (loss) from discontinued operations	—			658			(14,625		)	—			(13,967		)
Gain on disposition of discontinued operations	—			—			10,014			—			10,014
Income (loss) from discontinued operations	—			658			(4,611		)	—			(3,953		)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)

Consolidating Statements of Comprehensive Income

Consolidating Statements of Comprehensive Income (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income	$	3,400	$	411	$	9,361	$	(9,772	)	$	3,400
Market value adjustment to interest rate swap	254		254		—		(254		)	254
Comprehensive income	$	3,654	$	665	$	9,361	$	(10,026	)	$	3,654

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)
Foreign currency translation adjustment	(83		)	—			(83		)	83			(83		)
Market value adjustment to interest rate swap	549			549			—			(549		)	549
Comprehensive income (loss)	$	(22,142	)	$	(20,108	)	$	18,699		$	1,409		$	(22,142	)

Consolidating Statements of Cash Flows

Consolidating Statements of Cash Flows (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Eliminations			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	(28	)	$	(9,614	)	$	67,433		$	—		$	57,791
Cash flows from investing activities:
Investment in real estate and related assets	—			(10,932		)	(22,336		)	—			(33,268		)
Investments in subsidiaries	(13,700		)	(12,985		)	—			26,685			—
Net cash provided by (used in) investing activities	(13,700		)	(23,917		)	(22,336		)	26,685			(33,268		)
Cash flows from financing activities:
Repayments of notes payable	—			—			(646		)	—			(646		)
Distributions	(37,489		)	—			—			—			(37,489		)
Intercompany contributions (distributions)	23,392			53,225			(49,932		)	(26,685		)	—
Net cash provided by (used in) financing activities	(14,097		)	53,225			(50,578		)	(26,685		)	(38,135		)
Net increase (decrease) in cash and cash equivalents	(27,825		)	19,694			(5,481		)	—			(13,612		)
Cash and cash equivalents, beginning of period	53,322			20,708			25,825			—			99,855
Cash and cash equivalents, end of period	$	25,497		$	40,402		$	20,344		$	—		$	86,243

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	—		$	(21,051	)	$	69,575		$	48,524
Cash flows from investing activities:
Net proceeds from sale of real estate	—			65,928			—			65,928
Investment in real estate and related assets	—			(2,481		)	(9,573		)	(12,054		)
Net cash provided by (used in) investing activities	—			63,447			(9,573		)	53,874
Cash flows from financing activities:
Borrowings, net of fees	—			69,000			(41		)	68,959
Repayments of line of credit and notes payable	—			(86,000		)	(609		)	(86,609		)
Issuance of common stock, net of redemptions and fees	(18,033		)	—			—			(18,033		)
Distributions	(51,646		)	—			—			(51,646		)
Intercompany transfers, net	69,268			(15,148		)	(54,120		)	—
Net cash provided by (used in) financing activities	(411		)	(32,148		)	(54,770		)	(87,329		)
Net increase (decrease) in cash and cash equivalents	(411		)	10,248			5,232			15,069
Effect of foreign exchange rate on cash and cash equivalents	—			—			(103		)	(103		)
Cash and cash equivalents, beginning of period	20,914			4,822			27,921			53,657
Cash and cash equivalents, end of period	$	20,503		$	15,070		$	33,050		$	68,623

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Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities:
Net income (loss)	$ 3,400	$ (22,608)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Straight-line rental income	(2,356)	(6,593)
Depreciation	27,304	30,627
Amortization	18,245	21,329
Impairment losses on real estate assets	13,550	16,867
Noncash interest expense	736	858
Gain on interest rate swaps	(1,097)	(1,678)
Loss (gain) on sale of discontinued operations	328	(10,014)
Stock-based compensation expense	507	0
Changes in assets and liabilities, net of acquisitions:
Decrease (increase) in tenant receivables, net	(1,594)	3,945
Decrease (increase) in prepaid expenses and other assets	2,426	(5,942)
Decrease in accounts payable and accrued expenses	(6,348)	(1,661)
Increase in due to affiliates	0	25,280
Increase (decrease) in deferred income	2,690	(1,886)
Net cash provided by operating activities	57,791	48,524
Cash Flows from Investing Activities:
Net proceeds from the sale of real estate	0	65,928
Earnest money paid	(10,000)	0
Capital improvements	(12,773)	(9,197)
Deferred lease costs paid	(10,495)	(2,857)
Net cash provided by (used in) investing activities	(33,268)	53,874
Cash Flows from Financing Activities:
Financing costs paid	0	(41)
Proceeds from lines of credit and notes payable	0	69,000
Repayments of lines of credit and notes payable	(646)	(86,609)
Issuance of common stock	0	22,893
Redemptions of common stock	0	(40,854)
Distributions paid to stockholders	(37,489)	(28,753)
Distributions paid to stockholders and reinvested in shares of our common stock	0	(22,893)
Tender offer and offering costs paid	0	(72)
Net cash used in financing activities	(38,135)	(87,329)
Net increase (decrease) in cash and cash equivalents	(13,612)	15,069
Effect of foreign exchange rate on cash and cash equivalents	0	(103)
Cash and cash equivalents, beginning of period	99,855	53,657
Cash and cash equivalents, end of period	$ 86,243	$ 68,623

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Organization (Details)	Mar. 31, 2014 States Buildings sqft
Real Estate
Number of operational buildings	59
Square feet of real estate	16,800,000
Number of states with properties	13
Percent of leased office space of owned properties	92.40%
Office Building
Real Estate
Number of real estate properties	42
Hotel
Real Estate
Number of real estate properties	1
Wholly Owned Properties
Real Estate
Number of real estate properties	41

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Real Estate and Other Transactions - Acquisitions (Details) (USD $)	3 Months Ended			0 Months Ended		0 Months Ended
	Mar. 31, 2014 sqft		Mar. 31, 2013	Apr. 22, 2014 221 Main Street Building Subsequent Event sqft	Apr. 22, 2014 Mortgage Notes 221 Main Street Building Subsequent Event	Apr. 22, 2014 Revolving Credit Facility 221 Main Street Building Subsequent Event
Business Acquisition [Line Items]
Square feet of real estate	16,800,000			388,000
Total consideration transferred, excluding transaction costs				$ 228,800,000
Mortgage note assumed in a business acquisition					73,000,000
Proceeds from revolving credit facility						116,000,000
Earnest money paid	10,000,000		0	10,000,000
Revenues	0	[1]	130,021,000
Net loss attributable to common stockholders	$ 0	[1]	$ 11,169,000

[1] Columbia Property Trust owned Columbia Property Trust Advisory Services and Columbia Property Trust Services for all of the three months ended March 31, 2014.

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Earnings Per Share Basic and Diluted EPS Computations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income (loss)	$ 3,400	$ (22,608)
Distributions paid on unvested shares	(32)
Net income (loss) used to calculate basic and diluted earnings per share	3,368	(22,608)
Net income (loss) used to calculate basic and diluted earnings per share	$ 3,368	$ (22,608)
Weighted-average common shares - basic	124,851	136,521
Weighted-average common shares - diluted	124,887	136,521
2013 Long Term Incentive Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental weighted-average shares of share-based payment arrangements	23	0
2014 Long Term Incentive Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental weighted-average shares of share-based payment arrangements	13

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Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets:
Land	$ 703,552	$ 706,938
Buildings and improvements, less accumulated depreciation of $631,773 and $604,497, as of March 31, 2014 and December 31, 2013, respectively	2,943,522	2,976,287
Intangible lease assets, less accumulated amortization of $307,524 and $298,975, as of March 31, 2014 and December 31, 2013, respectively	271,273	281,220
Construction in progress	10,480	7,949
Total real estate assets	3,928,827	3,972,394
Cash and cash equivalents	86,243	99,855
Tenant receivables, net of allowance for doubtful accounts of $52 as of December 31, 2013	8,140	7,414
Straight line rent receivable	116,343	113,592
Prepaid expenses and other assets	39,969	32,423
Deferred financing costs, less accumulated amortization of $12,578 and $11,938, as of March 31, 2014 and December 31, 2013, respectively	9,588	10,388
Intangible lease origination costs, less accumulated amortization of $219,623 and $216,598, as of March 31, 2014 and December 31, 2013, respectively	140,457	148,889
Deferred lease costs, less accumulated amortization of $30,116 and $27,375, as of March 31, 2014 and December 31, 2013, respectively	98,563	87,527
Investment in development authority bonds	120,000	120,000
Total assets	4,548,130	4,592,482
Liabilities:
Line of credit and notes payable	1,239,452	1,240,249
Bonds payable, net of discount of $1,007 and $1,070, as of March 31, 2014 and December 31, 2013, respectively	248,993	248,930
Accounts payable, accrued expenses, and accrued capital expenditures	90,096	99,678
Deferred income	24,628	21,938
Intangible lease liabilities, less accumulated amortization of $79,502 and $76,500, as of March 31, 2014 and December 31, 2013, respectively	70,783	73,864
Obligations under capital leases	120,000	120,000
Total liabilities	1,793,952	1,804,659
Commitments and Contingencies (Note 6)
Equity:
Common stock, $0.01 par value, 900,000,000 shares authorized, 124,964,454 and 124,830,122 shares issued and outstanding as of March 31, 2014 and December 31, 2013, respectively	1,249	1,248
Additional paid-in capital	4,600,355	4,600,166
Cumulative distributions in excess of earnings	(1,844,373)	(1,810,284)
Other comprehensive loss	(3,053)	(3,307)
Total equity	2,754,178	2,787,823
Total liabilities and equity	$ 4,548,130	$ 4,592,482

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Stockholder's Equity (Details) (USD $)	0 Months Ended	3 Months Ended		0 Months Ended	3 Months Ended		3 Months Ended
	Aug. 14, 2013	Mar. 31, 2014	Mar. 31, 2013	Jan. 21, 2014 2013 Long Term Incentive Plan	Mar. 31, 2014 2013 Long Term Incentive Plan	Aug. 21, 2013 2013 Long Term Incentive Plan	Mar. 31, 2014 Director 2013 Long Term Incentive Plan	Mar. 31, 2014 Employees 2013 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share authorized						2,000,000
Shares of common stock granted to employees				143,740	144,000
Shares withheld to settle tax liability				12,752
Percent vested upon grant (percent)				25.00%
Stock-based compensation expense		$ 507,000	$ 0		$ 500,000		$ 100,000	$ 200,000
Stock-based compensation expense related to future employee awards					200,000
Unrecognized compensation costs related to unvested awards					$ 2,300,000
Stock split ratio	0.25

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Consolidated Statements of Equity (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified		Total	Common Stock		Additional Paid-In Capital		Cumulative Distributions in Excess of Earnings	Redeemable Common Stock	Other Comprehensive Income (Loss)
Balance, value at beginning of period at Dec. 31, 2012		$ 3,163,980	$ 1,369	[1]	$ 4,901,889	[1]	$ (1,634,531)	$ (99,526)	$ (5,221)
Balance, shares at beginning of period at Dec. 31, 2012	[1]		136,901,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, shares	[1]		818,000
Issuance of common stock, value		22,893	8	[1]	22,885	[1]
Redemptions of common stock, shares	[1]		(1,536,000)
Redemptions of common stock, value		(38,753)	(15)	[1]	(38,738)	[1]
Increase in redeemable common stock		(59,981)						(59,981)
Distributions to common stockholders		(51,646)					(51,646)
Offering costs		(97)			(97)	[1]
Net loss		(22,608)					(22,608)
Foreign currency translation adjustment		(83)							(83)
Market value adjustment to interest rate swap		549							549
Balance, value at end of period at Mar. 31, 2013		3,014,254	1,362	[1]	4,885,939	[1]	(1,708,785)	(159,507)	(4,755)
Balance, shares at end of period at Mar. 31, 2013	[1]		136,183,000
Balance, value at beginning of period at Dec. 31, 2013		2,787,823	1,248		4,600,166		(1,810,284)		(3,307)
Balance, shares at beginning of period at Dec. 31, 2013		124,830,122	124,830,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes), shares			134,000
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)		190	1		189
Increase in redeemable common stock		0
Distributions to common stockholders		(37,489)					(37,489)
Net loss		3,400					3,400
Market value adjustment to interest rate swap		254							254
Balance, value at end of period at Mar. 31, 2014		$ 2,754,178	$ 1,249		$ 4,600,355		$ (1,844,373)		$ (3,053)
Balance, shares at end of period at Mar. 31, 2014		124,964,454	124,964,000

[1] All share amounts and computations using such amounts have been retroactively adjusted to reflect the August 14, 2013 four-for-one reverse stock split (see Note 7, Equity).

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Subsequent Event (Details) (Subsequent Event, USD $)	0 Months Ended
	May 07, 2014
Subsequent Event
Subsequent Event [Line Items]
Dividend declared (dollars per share)	$ 0.30

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Summary of Significant Accounting Policies (Schedule of Intangible Assets & Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Gross Intangible In-Place Lease Assets and Liabilities [Abstract]
Intangible Lease Assets, Accumulated Amortization	$ (307,524)	$ (298,975)
Intangible lease assets, net	271,273	281,220
Intangible Lease Origination Costs, Accumulated Amortization	(219,623)	(216,598)
Intangible Lease Origination Costs, Net	140,457	148,889
Below Market Lease, Gross	150,285	150,364
Below Market Lease, Accumulated Amortization	(79,502)	(76,500)
Below Market Lease, Net	70,783	73,864
Above-Market In-Place Lease Assets
Gross Intangible In-Place Lease Assets and Liabilities [Abstract]
Intangible Lease Assets, Gross	80,691	80,836
Intangible Lease Assets, Accumulated Amortization	(58,070)	(56,859)
Intangible lease assets, net	22,621	23,977
Absorption Period Costs
Gross Intangible In-Place Lease Assets and Liabilities [Abstract]
Intangible Lease Assets, Gross	387,433	388,686
Intangible Lease Assets, Accumulated Amortization	(235,886)	(229,065)
Intangible lease assets, net	151,547	159,621
Intangible Lease Origination Costs
Gross Intangible In-Place Lease Assets and Liabilities [Abstract]
Intangible Lease Origination Costs, Gross	360,080	365,487
Intangible Lease Origination Costs, Accumulated Amortization	(219,623)	(216,598)
Intangible Lease Origination Costs, Net	$ 140,457	$ 148,889

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The consolidated financial statements of Columbia Property Trust have been prepared in accordance with the rules and regulations of the U.S. Securities and Exchange Commission ("SEC"), including the instructions to Form 10-Q and Article 10 of Regulation S-X, and do not include all of the information and footnotes required by U.S. generally accepted accounting principles ("GAAP") for complete financial statements. In the opinion of management, the statements for these unaudited interim periods presented include all adjustments, which are of a normal and recurring nature, necessary for a fair and consistent presentation of the results for such periods. Results for these interim periods are not necessarily indicative of a full year's results. Columbia Property Trust's consolidated financial statements include the accounts of Columbia Property Trust, Columbia Property Trust OP, and any variable interest entity in which Columbia Property Trust or Columbia Property Trust OP was deemed the primary beneficiary. With respect to entities that are not variable interest entities, Columbia Property Trust's consolidated financial statements also include the accounts of any entity in which Columbia Property Trust, Columbia Property Trust OP, or their subsidiaries own a controlling financial interest and any limited partnership in which Columbia Property Trust, Columbia Property Trust OP, or its subsidiaries own a controlling general partnership interest. All intercompany balances and transactions have been eliminated in consolidation.

Fair Value Measurements

Fair Value Measurements

Columbia Property Trust estimates the fair value of its assets and liabilities (where currently required under GAAP) consistent with the provisions of Accounting Standard Codification ("ASC") 820, Fair Value Measurements ("ASC 820"). Under this standard, fair value is defined as the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date. While various techniques and assumptions can be used to estimate fair value depending on the nature of the asset or liability, the accounting standard for fair value measurements and disclosures provides the following fair value technique parameters and hierarchy, depending upon availability:

Level 1 – Assets or liabilities for which the identical term is traded on an active exchange, such as publicly traded instruments or futures contracts.

Level 2 – Assets and liabilities valued based on observable market data for similar instruments.

Level 3 – Assets or liabilities for which significant valuation assumptions are not readily observable in the market. Such assets or liabilities are valued based on the best available data, some of which may be internally developed. Significant assumptions may include risk premiums that a market participant would consider.

Real Estate Assets

Real Estate Assets

Columbia Property Trust is required to make subjective assessments as to the useful lives of its depreciable assets. Columbia Property Trust considers the period of future benefit of the asset to determine the appropriate useful lives. These assessments have a direct impact on net income. The estimated useful lives of its assets by class are as follows:

Buildings	40 years
Building improvements	5-25 years
Site improvements	15 years
Tenant improvements	Shorter of economic life or lease term
Intangible lease assets	Lease term

Evaluating the Recoverability of Real Estate Assets

Evaluating the Recoverability of Real Estate Assets

Columbia Property Trust continually monitors events and changes in circumstances that could indicate that the carrying amounts of its real estate and related intangible assets, of both operating properties and properties under construction, in which Columbia Property Trust has an ownership interest, either directly or through investments in joint ventures, may not be recoverable. When indicators of potential impairment are present that suggest that the carrying amounts of real estate assets and related intangible assets (liabilities) may not be recoverable, Columbia Property Trust assesses the recoverability of these assets by determining whether the respective carrying values will be recovered through the estimated undiscounted future operating cash flows expected from the use of the assets and their eventual disposition. In the event that such expected undiscounted future cash flows do not exceed the carrying values, Columbia Property Trust adjusts the carrying value of the real estate assets and related intangible assets to the estimated fair values, pursuant to the property, plant, and equipment accounting standard for the impairment or disposal of long-lived assets, and recognizes an impairment loss. Estimated fair values are calculated based on the following information, in order of preference, depending upon availability: (i) recently quoted market prices, (ii) market prices for comparable properties, or (iii) the present value of future cash flows, including estimated salvage value. Certain of Columbia Property Trust's assets may be carried at more than an amount that could be realized in a current disposition transaction.

Projections of expected future operating cash flows require that Columbia Property Trust estimates future market rental income amounts subsequent to the expiration of current lease agreements, property operating expenses, the number of months it takes to re-lease the property, and the number of years the property is held for investment, among other factors. The subjectivity of assumptions used in the future cash flow analysis, including discount rates, could result in an incorrect assessment of the property's fair value and could result in the misstatement of the carrying value of Columbia Property Trust's real estate assets and related intangible assets and net income (loss).

Assets Held for Sale

Assets Held for Sale

Columbia Property Trust classifies assets as held for sale according to ASC 360, Accounting for the Impairment or Disposal of Long-Lived Assets ("ASC 360"). According to ASC 360, assets are considered held for sale when the following criteria are met:

• Management, having the authority to approve the action, commits to a plan to sell the property.

• The property is available for immediate sale in its present condition subject only to terms that are usual and customary for sales of such property.

• An active program to locate a buyer and other actions required to complete the plan to sell the property have been initiated.

• The sale of the property is probable, and transfer of the property is expected to qualify for recognition as a completed sale, within one year.

• The property is being actively marketed for sale at a price that is reasonable in relation to its current fair value.

• Actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn.

At such time that a property is determined to be held for sale, its carrying amount is reduced to the lower of its depreciated book value or its estimated fair value, less costs to sell, and depreciation is no longer recognized.

Intangible Assets and Liabilities Arising from In-Place Leases

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessee

In-place ground leases where Columbia Property Trust is the lessee may have value associated with effective contractual rental rates that are above or below market rates at the time of execution or assumption. Such values are calculated based on the present value (using a discount rate that reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place lease and (ii) management's estimate of fair market lease rates for the corresponding in-place lease at the time of execution or assumption, measured over a period equal to the remaining terms of the leases. The capitalized above-market and below-market in-place lease values are recorded as intangible lease liabilities and assets, respectively, and are amortized as an adjustment to property operating cost over the remaining term of the respective leases.

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessor

Upon the acquisition of real properties, Columbia Property Trust allocates the purchase price of properties to tangible assets, consisting of land, building, site improvements, and identified intangible assets and liabilities, including the value of in-place leases, based in each case on Columbia Property Trust's estimate of their fair values in accordance with ASC 820 (see Fair Value Measurements section above for additional detail).

Prepaid Expenses and Other Assets

Prepaid Expenses and Other Assets

Prepaid expenses and other assets primarily are comprised of escrow accounts held by lenders to pay future real estate taxes, insurance and tenant improvements, notes receivable, nontenant receivables, prepaid taxes, insurance and operating costs, certain corporate assets, hotel inventory, and deferred tax assets. Prepaid expenses and other assets will be expensed as incurred or reclassified to other asset accounts upon being put into service in future periods.

Interest Rate Swap Agreements

Interest Rate Swap Agreements

Columbia Property Trust enters into interest rate swap contracts to mitigate its interest rate risk on the related financial instruments. Columbia Property Trust does not enter into derivative or interest rate swap transactions for speculative purposes; however, certain of its derivatives may not qualify for hedge accounting treatment. Columbia Property Trust records the fair value of its interest rate swaps either as prepaid expenses and other assets or as accounts payable, accrued expenses, and accrued capital expenditures. Changes in the fair value of the effective portion of interest rate swaps that are designated as cash flow hedges are recorded as other comprehensive income, while changes in the fair value of the ineffective portion of a hedge, if any, is recognized currently in earnings. Changes in the fair value of interest rate swaps that do not qualify for hedge accounting treatment are recorded as gain (loss) on interest rate swaps. Amounts received or paid under interest rate swap agreements are recorded as interest expense for contracts that qualify for hedge accounting treatment and as gain (loss) on interest rate swaps for contracts that do not qualify for hedge accounting treatment.

Income Taxes

Income Taxes

Columbia Property Trust has elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended (the "Code"), and has operated as such beginning with its taxable year ended December 31, 2003. To qualify as a REIT, Columbia Property Trust must meet certain organizational and operational requirements, including a requirement to distribute at least 90% of its REIT taxable income, as defined by the Code, to its stockholders. As a REIT, Columbia Property Trust generally is not subject to income tax on income it distributes to stockholders. Columbia Property Trust's stockholder distributions typically exceed its taxable income due to the inclusion of noncash expenses, such as depreciation, in taxable income. As a result, Columbia Property Trust typically does not incur federal income taxes other than as described in the following paragraph. Columbia Property Trust is, however, subject to certain state and local taxes related to the operations of properties in certain locations, which have been provided for in the accompanying consolidated financial statements.

Columbia Property Trust TRS, LLC ("Columbia Property Trust TRS"), Columbia KCP TRS, LLC ("Columbia KCP TRS"), and Columbia Energy TRS, LLC ("Columbia Energy TRS") (collectively, the "TRS Entities") are wholly owned subsidiaries of Columbia Property Trust, are organized as Delaware limited liability companies, and operate, among other things, a full-service hotel. Columbia Property Trust has elected to treat the TRS Entities as taxable REIT subsidiaries. Columbia Property Trust may perform certain additional, noncustomary services for tenants of its buildings through the TRS Entities; however, any earnings related to such services are subject to federal and state income taxes. In addition, for Columbia Property Trust to continue to qualify as a REIT, Columbia Property Trust must limit its investments in taxable REIT subsidiaries to 25% of the value of the total assets. The TRS Entities' deferred tax assets and liabilities represent temporary differences between the financial reporting basis and the tax basis of assets and liabilities based on the enacted rates expected to be in effect when the temporary differences reverse. If applicable, Columbia Property Trust records interest and penalties related to uncertain tax positions as general and administrative expense in the accompanying consolidated statements of operations.

New Accounting Pronouncements

Recent Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (the "FASB") issued Accounting Standards Update 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity ("ASU 2014-08"). As a result, beginning with our Quarterly Report on Form 10-Q for the three months ended March 31, 2015, Columbia Property Trust will be required to reflect in discontinued operations only those real estate asset sales representing a strategic shift in operations (e.g. a disposal of a major geographical area or a major line of business). Currently, Columbia Property Trust is generally required to reflect all real estate asset sales as discontinued operations, which requires reclassification of the operations of the sold assets from continuing operations for all periods presented. Early adoption is permitted, but only for real estate asset sales that have not been previously reflected as discontinued operations. Columbia Property Trust did not have any real estate sales during the three months ended March 31, 2014.  However, Columbia Property Trust may elect to early adopt ASU 2014-08 in conjunction with a real estate sale during 2014.

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Summary of Significant Accounting Policies (Schedule of Recognized Amortization) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization of Below Market Lease	$ 3,081	$ 3,726
Above-Market In-Place Lease Assets
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	1,356	1,685
Absorption Period Costs
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	8,073	10,136
Intangible Lease Origination Costs
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 8,432	$ 9,923

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Real Estate and Other Transactions (Tables)

3 Months Ended

Mar. 31, 2014

Real Estate [Abstract]

Business Acquisition, Pro Forma Information

The following unaudited pro forma financial results for Columbia Property Trust have been prepared for informational purposes only and are not necessarily indicative of future results or of actual results that would have been achieved had the acquisitions of Columbia Property Trust Advisory Services and Columbia Property Trust Services been consummated as of January 1, 2013 (in thousands).

	Three months ended March 31,
	2014	2013
Revenues	*	$	130,021
Net income attributable to common stockholders	*	$	11,169

* Columbia Property Trust owned Columbia Property Trust Advisory Services and Columbia Property Trust Services for all of the three months ended March 31, 2014.

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Consolidated Statements of Equity Parentheticals (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Distributions to common stockholders per share	$ 0.30	$ 0.38
Common Stock
Distributions to common stockholders per share	$ 0.30	$ 0.38

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Consolidated Balance Sheets Parentheticals (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Building and improvements, accumulated depreciation	$ 631,773	$ 604,497
Intangible lease assets, accumulated amortization	307,524	298,975
Allowance for doubtful accounts	0	52
Deferred financing costs, accumulated amortization	12,578	11,938
Intangible lease origination costs, accumulated amortization	219,623	216,598
Deferred lease costs, accumulated amortization	30,116	27,375
Bonds payable, discount	1,007	1,070
Intangible lease liabilities, accumulated amortization	$ 79,502	$ 76,500
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	900,000,000	900,000,000
Common stock, shares issued	124,964,454	124,830,122
Common stock, shares outstanding	124,964,454	124,830,122

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Related-Party Transactions and Agreements

3 Months Ended

Mar. 31, 2014

Related Party Transactions [Abstract]

Related-Party Transactions and Agreements

Related-Party Transactions and Agreements

Until December 31, 2013, Columbia Property Trust was party to agreements with various entities of Wells Real Estate Funds ("WREF"), which served as our Advisor (the "Advisor"). Leo Wells, the sole director of WREF, was a member of our board of directors through May 2013, and as a result WREF was a related party through December 31, 2013. All of the agreements between Columbia Property Trust and WREF terminated on or before December 31, 2013, and no additional related party fees have been incurred during 2014. The following is a description of the agreements in place during 2013.

Advisory Agreement

From December 2003 through February 27, 2013, Columbia Property Trust operated as an externally advised REIT pursuant to an advisory agreement under which a subsidiary of WREF, Columbia Property Trust Advisory Services, performed certain key functions on behalf of Columbia Property Trust, including, among others, managing the day-to-day operations, investing capital proceeds, and arranging financings. Under the terms of the advisory agreement in place from January 1, 2013 to February 27, 2013 (the "Advisory Agreement"), Columbia Property Trust incurred fees and reimbursements payable to the Advisor for services as described below:

• Asset Management Fees - Such fees were paid monthly to WREF for managing the day-to-day operations of Columbia Property Trust.

• Administrative Reimbursements - Reimbursements for all costs and expenses the Advisor incurred in fulfilling its duties as the asset portfolio manager, generally included wages and salaries and other employee-related expenses of the WREF's employees and amounts paid for an individual retirement account, or "IRA," custodial service costs allocated to Columbia Property Trust accounts.

Property Management Agreement

Also during January and February 2013, a subsidiary of WREF, Columbia Property Trust Services, provided the personnel necessary to carry out property management services on behalf of Wells Management Company, Inc. ("Wells Management") and its affiliates pursuant to a property management agreement (the "Property Management Agreement") with affiliates of WREF (the "Property Manager"). Under the Property Management Agreement, the Property Manager received fees and reimbursements in consideration for supervising the management, leasing, and construction of certain Columbia Property Trust properties.

Transition Services Agreement

As Columbia Property Trust began to make plans to transition to self-management, it entered into an agreement with WREF, under which WREF provided services to support the transition of Columbia Property Trust from an externally-advised management platform to a self-managed structure (the "Transition Services Agreement"). Pursuant to the Transition Services Agreement, which was in place from July 1, 2012 to December 31, 2013, (i) WREF was required to transfer the assets and employees necessary to provide the services under the Advisory Agreement (other than investor services and property management) to Columbia Property Trust Advisory Services; and (ii) Columbia Property Trust had the option to acquire Columbia Property Trust Advisory Services from WREF at any time during 2013 (the "Columbia Property Trust Advisory Services Assignment Option"). The Columbia Property Trust Advisory Services Assignment Option closed as of February 28, 2013, and all assets were transferred by June 30, 2013. No payment was associated with the assignment; however, Columbia Property Trust was required to pay WREF a total of $6.0 million payable in 12 monthly installments of $0.5 million commencing on July 31, 2012 for the work required to transfer sufficient employees, proprietary systems and processes, and assets to Columbia Property Trust Advisory Services to prepare for a successful transition to a self-managed structure. In addition, Columbia Property Trust and WREF were each obligated to pay half of any out-of-pocket and third-party costs and expenses incurred in connection with providing these services, provided that Columbia Property Trust's obligation to reimburse WREF for such expenses was limited to approximately $250,000 in the aggregate. Pursuant to the Transition Services Agreement at the close of the Columbia Property Trust Advisory Services Assignment Option, Columbia Property Trust entered into a consulting services agreement with WREF as described below.

On December 28, 2012, the Transition Services Agreement was amended and Wells Management and Columbia Property Trust Services were made parties to the agreement. Pursuant to the amendment, Columbia Property Trust could acquire Columbia Property Trust Services (the "Columbia Property Trust Services Assignment Option"), the entity that provided personnel to carry out property management services on behalf of Wells Management and its affiliates under the terms of the Property Management Agreement, in connection with exercising the Columbia Property Trust Advisory Services Assignment Option.  Columbia Property Trust exercised both options on February 28, 2013. No payment was associated with the assignment; however, Columbia Property Trust was obligated to pay a fee to WREF of  approximately $2.8 million in monthly installments from July 2013 through December 2013. The fees paid under the Transition Services Agreement are included in general and administrative expense for 2013 in the accompanying consolidated statement of operations. 

Consulting Services Agreement

On February 28, 2013, the Columbia Property Trust Advisory Services Assignment Option and Columbia Property Trust Services Assignment Option closed, and in connection therewith, the Advisory Agreement, Property Management Agreement, and Investor Services Agreement (as described below) terminated, and Columbia Property Trust entered into a consulting services agreement with WREF (the "Consulting Services Agreement"). Under the Consulting Services Agreement, WREF provided consulting services with respect to the same matters that the Advisor provided services under the Advisory Agreement. Payments under the Consulting Services Agreement were monthly fees in the same amount as the asset management fee that would have been paid under the most recently effective advisory agreement, if the most recently effective advisory agreement was not terminated. The Consulting Services Agreement terminated on December 31, 2013. The fees incurred under the Consulting Services Agreement are included in general and administrative expense in the accompanying consolidated statement of operations.

Investor Services Agreements

Columbia Property Trust and WREF entered into an investor services agreement, effective January 1, 2013 through February 28, 2013, that required WREF to provide certain investor and transfer agent support services to Columbia Property Trust (the "Investor Services Agreement"). As the sole consideration for these services, Columbia Property Trust reimbursed WREF for expenses incurred in connection with carrying out such services.

Effective February 28, 2013, upon the effective date of the Columbia Property Trust Advisory Services Assignment Option, Columbia Property Trust entered into an agreement with WREF, which required WREF to provide the investor and transfer agent support services to Columbia Property Trust that were previously provided for under the Investor Services Agreement (the "2013 Investor Services Agreement"). The 2013 Investor Services Agreement required Columbia Property Trust to compensate WREF for these services by reimbursing the related expenses and payroll costs, plus a premium. This agreement terminated on December 31, 2013.

Related-Party Costs

Pursuant to the terms of the agreements described above, Columbia Property Trust incurred the following related-party costs for the three months endedMarch 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014		2013
Consulting fees(1)	$	—	$	25,417
Transition services(2)	—		5,750
Asset management fees	—		5,083
Administrative reimbursements, net(3)	—		1,821
Property management fees	—		523
Construction fees(4)	—		139
Investor services	—		91
Other	—		49
Total	$	—	$	38,873

⁽¹⁾ $2.5 million of the $25.4 million of consulting fees incurred were paid during the three months ended March 31, 2013. The remaining $22.9 million were paid ratably over the remainder of 2013.

⁽²⁾  $1.5 million of the $5.8 million of transition services fees incurred were paid during the three months ended March 31, 2013; $1.5 million was paid in both the second and third quarters of 2013; and the remaining $1.3 million was paid in the fourth quarter of 2013.

⁽³⁾  Administrative reimbursements are presented net of reimbursements from tenants of approximately $0.7 million for the three months ended March 31, 2013.

⁽⁴⁾  Construction fees are capitalized to real estate assets as incurred.

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Document Entity Information	3 Months Ended
	Mar. 31, 2014	Apr. 30, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	COLUMBIA PROPERTY TRUST, INC.
Entity Central Index Key	0001252849
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		124,966,166

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Discontinued Operations

3 Months Ended

Mar. 31, 2014

Discontinued Operation, Additional Disclosures [Abstract]

Discontinued Operations

Discontinued Operations

The historical operating results and gains from the disposition of certain assets, including assets "held for sale," when applicable, and operating properties sold, are required to be reflected in a separate section ("discontinued operations") in the consolidated statements of operations for all periods presented. As a result, the revenues and expenses of the following properties are included in income (loss) from discontinued operations in the accompanying consolidated statements of operations for all periods presented: the properties included in the 18 Property Sale, which closed on November 5, 2013 for $521.5 million and resulted in a net gain of $1.2 million; Dvintsev Business Center - Tower B, which sold on March 21, 2013 for $67.5 million and resulted in a gain of $10.0 million; and the Nine Property Sale, which closed on December 12, 2012 for $260.5 million and resulted in a net gain of $3.2 million.

The following table shows the revenues and expenses of the above-described discontinued operations (in thousands):

	Three months ended March 31,
	2014			2013
Revenues:
Rental income	$	3		$	15,122
Tenant reimbursements	(51		)	3,365
	(48		)	18,487
Expenses:
Property operating costs	(347		)	6,305
Asset and property management fees	7			1,158
Depreciation	—			3,917
Amortization	—			2,045
Impairment loss on real estate assets	—			16,867
General and administrative	18			1,035
Total expenses	(322		)	31,327
Operating income (loss)	274			(12,840		)
Other income (expense):
Interest expense	—			(1,126		)
Interest and other income	3			3
Income (loss) from discontinued operations before income tax expense	277			(13,963		)
Income tax expense	—			(4		)
Income (loss) from discontinued operations	277			(13,967		)
Gain (loss) on disposition of discontinued operations	(328		)	10,014
Loss from discontinued operations	$	(51	)	$	(3,953	)

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Consolidated Statements of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Rental income	$ 100,567	$ 101,306
Tenant reimbursements	23,733	22,244
Hotel income	4,061	4,954
Other property income	807	288
Revenues	129,168	128,792
Expenses:
Property operating costs	38,980	37,584
Hotel operating costs	4,141	4,261
Asset and property management fees:
Related-party	0	4,693
Other	289	613
Depreciation	27,304	26,710
Amortization	18,521	19,902
Impairment losses on real estate assets	13,550	0
General and administrative	6,946	36,819
Costs and expenses	109,731	130,582
Real estate operating income (loss)	19,437	(1,790)
Other income (expense):
Interest expense	(17,910)	(26,134)
Interest and other income	1,810	9,111
Gain (loss) on interest rate swaps	(230)	57
Nonoperating income (expense)	(16,330)	(16,966)
Income (loss) before income tax benefit	3,107	(18,756)
Income tax benefit	344	101
Income (loss) from continuing operations	3,451	(18,655)
Discontinued operations:
Operating income (loss) from discontinued operations	277	(13,967)
Gain (loss) on disposition of discontinued operations	(328)	10,014
Loss from discontinued operations	(51)	(3,953)
Net income (loss)	$ 3,400	$ (22,608)
Per-share information – basic:
Income (loss) from continuing operations - basic (dollars per share)	$ 0.03	$ (0.14)
Income (loss) from discontinued operations - basic (dollars per share)	$ 0.00	$ (0.03)
Net income (loss) - basic (dollars per share)	$ 0.03	$ (0.17)
Weighted-average common shares outstanding – basic	124,851	136,521
Per-share information – diluted:
Income (loss) from continuing operations - diluted (dollars per share)	$ 0.03	$ (0.14)
Income (loss) from discontinued operations - diluted (dollars per share)	$ 0.00	$ (0.03)
Net income (loss) - diluted (dollars per share)	$ 0.03	$ (0.17)
Weighted-average common shares outstanding – diluted	124,887	136,521
Dividends per share	$ 0.30	$ 0.38

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Line of Credit and Notes Payable

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Line of Credit and Notes Payable

Line of Credit and Notes Payable

As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following line of credit and notes payable indebtedness outstanding (excluding bonds payable; see Note 5, Bonds Payable) in thousands:

Facility	March 31, 2014		December 31, 2013
$450 Million Term Loan	$	450,000	$	450,000
Market Square Buildings mortgage note	325,000		325,000
333 Market Street Building mortgage note	207,374		207,559
100 East Pratt Street Building mortgage note	105,000		105,000
263 Shuman Boulevard Building mortgage note	49,000		49,000
SanTan Corporate Center mortgage notes	39,000		39,000
One Glenlake Building mortgage note	34,068		34,713
215 Diehl Road Building mortgage note	21,000		21,000
544 Lakeview Building mortgage note	9,010		8,977
JPMorgan Chase Credit Facility	—		—
Total indebtedness	$	1,239,452	$	1,240,249

The estimated fair value of Columbia Property Trust's line of credit and notes payable as of March 31, 2014 and December 31, 2013 was approximately $1,251.9 million and $1,245.3 million, respectively. Columbia Property Trust estimated the fair value of its JPMorgan Chase Credit Facility (the "JPMorgan Chase Credit Facility") by obtaining estimates for similar facilities from multiple market participants as of the respective reporting dates. Therefore, the fair values determined are considered to be based on observable market data for similar instruments (Level 2). The fair values of all other debt instruments were estimated based on discounted cash flow analyses using the current incremental borrowing rates for similar types of borrowing arrangements as of the respective reporting dates. The discounted cash flow method of assessing fair value results in a general approximation of value, and such value may never actually be realized. During the three months ended March 31, 2014 and 2013, Columbia Property Trust made interest payments of approximately $13.0 million and $15.0 million, respectively. There was no interest capitalized in either period. As of March 31, 2014, Columbia Property Trust believes it was in compliance with the restrictive covenants on its $450 Million Term Loan (the "$450 Million Term Loan"), JPMorgan Chase Credit Facility, and notes payable obligations.

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Real Estate and Other Transactions

3 Months Ended

Mar. 31, 2014

Real Estate [Abstract]

Real Estate and Other Transactions

Real Estate and Other Transactions

Acquisitions

Columbia Property Trust did not acquire any properties during the three months ended March 31, 2014. On April 22, 2014, Columbia Property Trust acquired a 388,000 square foot office building in San Francisco, California (the "221 Main Street Building"), for $228.8 million, exclusive of transaction costs. The acquisition was funded with a $73.0 million assumed mortgage note, $116.0 million of borrowings on the JPMorgan Chase Credit Facility and cash on hand. An earnest money deposit of $10.0 million was prepaid for this transaction in March 2014, and is included in prepaid expenses and other assets in the accompanying consolidated balance sheet.

As described in Note 9, Related-Party Transactions and Agreements, Columbia Property Trust acquired Columbia Property Trust Advisory Services, LLC ("Columbia Property Trust Advisory Services") and Columbia Property Trust Services, LLC ("Columbia Property Trust Services") on February 28, 2013. The following unaudited pro forma statements of operations presented for the three months endedMarch 31, 2013 have been prepared for Columbia Property Trust to give effect to the acquisitions of Columbia Property Trust Advisory Services and Columbia Property Trust Services as if the acquisitions occurred on January 1, 2013. The following unaudited pro forma financial results for Columbia Property Trust have been prepared for informational purposes only and are not necessarily indicative of future results or of actual results that would have been achieved had the acquisitions of Columbia Property Trust Advisory Services and Columbia Property Trust Services been consummated as of January 1, 2013 (in thousands).

	Three months ended March 31,
	2014	2013
Revenues	*	$	130,021
Net income attributable to common stockholders	*	$	11,169

* Columbia Property Trust owned Columbia Property Trust Advisory Services and Columbia Property Trust Services for all of the three months ended March 31, 2014.

Dispositions

On March 21, 2013, Columbia Property Trust closed on the sale of the Dvintsev Business Center - Tower B Building in Moscow, Russia, and its holding entity, Landlink Ltd., which was 100% owned by Columbia Property Trust, for $67.5 million, exclusive of transaction costs, resulting in a gain on disposition of discontinued operations in the accompanying consolidated statement of operations of $10.0 million.

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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives for Real Estate Assets

The estimated useful lives of its assets by class are as follows:

Buildings	40 years
Building improvements	5-25 years
Site improvements	15 years
Tenant improvements	Shorter of economic life or lease term
Intangible lease assets	Lease term

Schedule of Recognized Fair Value Adjustments for Real Estate Properties

The table below represents the detail of the adjustments recognized using Level 3 inputs.

For the three months ended March 31, 2013 (in thousands):

Property	Net Book Value		Impairment Loss Recognized			Fair Value
120 Eagle Rock	$	23,808	$	(11,708	)	$	12,100
333 & 777 Republic Drive	$	13,359	$	(5,159	)	$	8,200

Schedule of Intangible Assets and Liabilities

As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following gross intangible in-place lease assets and liabilities (in thousands):

		Intangible Lease Assets						Intangible Lease Origination Costs			Intangible Below-Market In-Place Lease Liabilities
		Above-Market In-Place Lease Assets			Absorption Period Costs
March 31, 2014	Gross	$	80,691		$	387,433		$	360,080		$	150,285
	Accumulated Amortization	(58,070		)	(235,886		)	(219,623		)	(79,502		)
	Net	$	22,621		$	151,547		$	140,457		$	70,783
December 31, 2013	Gross	$	80,836		$	388,686		$	365,487		$	150,364
	Accumulated Amortization	(56,859		)	(229,065		)	(216,598		)	(76,500		)
	Net	$	23,977		$	159,621		$	148,889		$	73,864

Columbia Property Trust recognized the following amortization of intangible lease assets and liabilities (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the three months ended March 31, 2014	$	1,356	$	8,073	$	8,432	$	3,081
For the three months ended March 31, 2013	$	1,685	$	10,136	$	9,923	$	3,726

The remaining net intangible assets and liabilities as of March 31, 2014 will be amortized as follows (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the nine months ending December 31, 2014	$	4,047	$	23,823	$	24,428	$	9,200
For the years ending December 31:
2015	4,555		28,323		29,338		10,860
2016	3,823		21,786		22,426		8,513
2017	1,954		16,087		15,980		6,477
2018	1,150		12,407		11,542		5,787
2019	1,083		11,293		10,437		5,226
Thereafter	6,009		37,828		26,306		24,720
	$	22,621	$	151,547	$	140,457	$	70,783

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of March 31, 2014, the remaining net below-market lease asset will be amortized as follows (in thousands):

For the nine months ending December 31, 2014	$	1,551
For the years ending December 31:
2015	2,069
2016	2,069
2017	2,069
2018	2,069
2019	2,069
Thereafter	85,209
	$	97,105

Schedule of Interest Rate Derivatives

The following tables provide additional information related to Columbia Property Trust's interest rate swaps (in thousands):

		Estimated Fair Value as of
Instrument Type	Balance Sheet Classification	March 31, 2014			December 31, 2013
Derivatives designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(3,053	)	$	(3,307	)
Derivatives not designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(6,481	)	$	(7,579	)

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position

	Three months ended March 31,
	2014			2013
Market value adjustment to interest rate swaps designated as hedging instruments and included in   other comprehensive income	$	254		$	549
Gain (loss) on interest rate swap recognized through earnings	$	(230	)	$	57

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Earnings Per Share

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

For the first quarter of 2014, for the basic and diluted earnings per-share computations, net income (loss) and income (loss) from continuing operations have been reduced for the dividends paid on unvested shares related to the 2013 LTIP Employee Grant and the 2014 LTIP Employee Grant. The following table reconciles the numerator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014			2013
Net income (loss)	$	3,400		$	(22,608	)
Distributions paid on unvested shares	(32		)	—
Net income (loss) used to calculate basic and diluted earnings per share	$	3,368		$	(22,608	)

The following table reconciles the denominator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three months ended March 31, 2014 and 2013, respectively (in thousands):

	Three months ended March 31,
	2014	2013
Weighted-average common shares - basic	124,851	136,521
Plus incremental weighted-average shares from time-vested conversions less assumed share repurchases:
2013 LTIP Employee Grant	23	—
2014 LTIP Employee Grant	13	—
Weighted-average common shares - diluted	124,887	136,521

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Stockholder's Equity

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Stockholders' Equity

Stockholders' Equity

2013 Long-Term Incentive Plan

Columbia Property Trust maintains a long-term incentive plan that provides for grants of stock to be made to certain employees and independent directors of Columbia Property Trust (the "2013 Long-Term Incentive Plan").The 2013 Long-Term Incentive Plan was approved by Columbia Property Trust's shareholders in July 2013. A total of 2,000,000 shares are authorized and reserved for issuance under the 2013 Long-Term Incentive Plan.

On January 21, 2014, Columbia Property Trust granted 143,740 shares of common stock to employees, net of 12,752 shares withheld to settle the related tax liability, under the 2013 Long-Term Incentive Plan (the "2013 LTIP Employee Grant"), of which 25% vested upon grant, and the remaining shares will vest ratably, with the passage of time, on January 31, 2015, 2016, and 2017. Employees will receive quarterly dividends related to their entire grant, including the unvested shares, on each dividend payment date. A summary of the activity for the employee stock grants under the 2013 Long-Term Incentive Plan for the three months ended March 31, 2014, follows:

	Shares (in thousands)			Weighted-Average, Grant-Date Fair Value(1)
Unvested shares as of January 1, 2014	—			$	—
Granted	144			$	24.82
Vested	(36	)		$	24.82
Forfeited	—			$	—
Unvested shares as of March 31, 2014	108		(2)	$	24.82

⁽¹⁾  Columbia Property Trust determined the weighted-average, grant-date fair value using the market closing price on the date of the grant.

⁽²⁾  As of March 31, 2014, we expect approximately 102,000 of the 108,000 unvested shares to ultimately vest, assuming a forfeiture rate of 5.0%, which was determined based on peer company data, adjusted for the specifics of the 2013 Long-Term Incentive Plan.

In January and April 2014, Columbia Property Trust paid quarterly installments of the independent directors' annual equity retainers by granting shares to the independent directors, which vested at the time of grant. A summary of these grants, which were made under the 2013 Long-Term Incentive Plan follows:

	Date of Grant	Shares	Weighted Average Grant-Date Fair Value
Q1 2014 Director Grant	January 21, 2014	3,344	24.82
Q2 2014 Director Grant	April 1, 2014	2,968	27.22

Columbia Property Trust incurred $0.5 million in stock-based compensation expense in the first quarter of 2014, of which $0.1 million related to the issuance of shares to independent directors as described above, $0.2 million related to the amortization of unvested awards under the 2013 LTIP Employee Grant, and $0.2 million related to future employee awards to be granted for service during this period. These future awards have been authorized and employee service related to these awards began on January 1, 2014. Columbia Property Trust anticipates granting these awards in January 2015, with 25% of the grant vesting on the grant date and the remaining shares vesting ratably on January 31, 2016, 2017, and 2018 (the "2014 LTIP Employee Grant"). These expenses are included in general and administrative expenses in the accompanying consolidated statement of operations. As of March 31, 2014, there was $2.3 million of unrecognized compensation costs, related to unvested awards under the 2013 LTIP Employee Grant. This amount will be amortized over the respective vesting period, ranging from one to three years at the time of grant.

Reverse Stock Split

On August 6, 2013, Columbia Property Trust's board of directors approved a four-for-one reverse stock split (the "Reverse Stock Split"). The Reverse Stock Split became effective on August 14, 2013 (the "Effective Date"), causing every four shares of common stock that were issued and outstanding as of the Effective Date to be automatically combined into one issued and outstanding share of common stock. The share combination affected all shareholders uniformly and did not affect any shareholder's percentage ownership interest or any shareholder rights. In addition, the par value and number of authorized shares of common stock remained unchanged. The Reverse Stock Split requires retroactive adjustment; therefore, all share and per-share data for prior periods has been adjusted to reflect the Reverse Stock Split.

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Bonds Payable

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Bonds Payable

Bonds Payable

In 2011, Columbia Property Trust OP issued $250.0 million of seven-year, unsecured 5.875% senior notes at 99.295% of their face value (the "2018 Bonds Payable"), which are guaranteed by Columbia Property Trust. Columbia Property Trust OP received proceeds from the 2018 Bonds Payable, net of fees, of $246.7 million. The 2018 Bonds Payable require semi-annual interest payments in April and October based on a contractual annual interest rate of 5.875%, which is subject to adjustment in certain circumstances. In the accompanying consolidated balance sheets, the 2018 Bonds Payable are shown net of the initial issuance discount of approximately $1.8 million, which is amortized to interest expense over the term of the 2018 Bonds Payable using the effective interest method. The principal amount of the 2018 Bonds Payable is due and payable on the maturity date, April 1, 2018. No interest payments were made on the 2018 Bonds Payable during the three months ended March 31, 2014 or 2013. As of March 31, 2014, Columbia Property Trust believes it was in compliance with the restrictive covenants on the 2018 Bonds Payable.

The estimated fair value of the 2018 Bonds Payable as of March 31, 2014 and December 31, 2013 was approximately $250.8 million. The fair value of the 2018 Bonds Payable was estimated based on discounted cash flow analyses using the current incremental borrowing rates for similar types of borrowing as the 2018 Bonds Payable arrangements as of the respective reporting dates (Level 2). The discounted cash flow method of assessing fair value results in a general approximation of value, and such value may never actually be realized.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Commitments Under Existing Lease Agreements

Certain lease agreements include provisions that, at the option of the tenant, may obligate Columbia Property Trust to expend capital to expand an existing property or provide other expenditures for the benefit of the tenant. As of March 31, 2014, no such options have been exercised that have not been materially satisfied.

Litigation

Columbia Property Trust is subject to various legal proceedings, claims and administrative proceedings arising in the ordinary course of business, some of which are expected to be covered by liability insurance. Management makes assumptions and estimates concerning the likelihood and amount of any reasonably possible loss relating to these matters using the latest information available. Columbia Property Trust records a liability for litigation if an unfavorable outcome is probable and the amount of loss or range of loss can be reasonably estimated. If an unfavorable outcome is probable and a reasonable estimate of the loss is a range, Columbia Property Trust accrues the best estimate within the range. If no amount within the range is a better estimate than any other amount, Columbia Property Trust accrues the minimum amount within the range. If an unfavorable outcome is probable but the amount of the loss cannot be reasonably estimated, Columbia Property Trust discloses the nature of the litigation and indicates that an estimate of the loss or range of loss cannot be made. If an unfavorable outcome is reasonably possible and the estimated loss is material, Columbia Property Trust discloses the nature and estimate of the possible loss of the litigation. Columbia Property Trust does not disclose information with respect to litigation where the possibility of an unfavorable outcome is considered to be remote. Based on current expectations, such matters, both individually and in the aggregate, are not expected to have a material adverse effect on the liquidity, results of operations, business or financial condition of Columbia Property Trust. Columbia Property Trust is not currently involved in any legal proceedings of which management would consider the outcome to be reasonably likely to have a material adverse effect on the results of operations or financial condition of Columbia Property Trust.

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Supplemental Disclosures of Noncash Investing and Financing Activities

3 Months Ended

Mar. 31, 2014

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosures of Noncash Investing and Financing Activities

Supplemental Disclosures of Noncash Investing and Financing Activities

Outlined below are significant noncash investing and financing activities for the three months ended March 31, 2014 and 2013 (in thousands):

	Three months ended March 31,
	2014			2013
Other assets assumed at acquisition	$	—		$	680
Other liabilities assumed at acquisition	$	—		$	680
Other liabilities settled at disposition	$	—		$	872
Interest accruing to notes payable	$	—		$	78
Amortization of premiums on debt	$	(88	)	$	(89	)
Market value adjustment to interest rate swaps that qualify for hedge accounting treatment	$	254		$	549
Accrued capital expenditures and deferred lease costs	$	6,669		$	7,300
Accrued deferred financing costs	$	24		$	—
Accrued redemptions of common stock	$	—		$	1,554
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)	$	189		$	—
Increase in redeemable common stock	$	—		$	59,981

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Summary of Significant Accounting Policies (Schedule of Recognized Fair Value Adjustments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment losses on real estate assets	$ (13,550)	$ 0
120 Eagle Rock | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net Book Value		23,808
Impairment losses on real estate assets		(11,708)
Fair Value		12,100
333 & 777 Republic Drive | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net Book Value		13,359
Impairment losses on real estate assets		(5,159)
Fair Value		$ 8,200

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Discontinued Operations (Narratives) (Details) (USD $)	3 Months Ended		0 Months Ended	1 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Nov. 05, 2013 18 Property Sale Properties	Dec. 31, 2012 Nine-Property Sale	Mar. 21, 2013 Dvintsev Business Center - Tower B Landlink Ltd
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties			18
Net proceeds from the sale of real estate					$ 67,500,000
Gain (loss) on disposition of discontinued operations	(328,000)	10,014,000			10,000,000
Net proceeds from the sale of real estate	0	65,928,000	521,500,000	260,500,000
Gain on extinguishment of debt			$ 1,200,000	$ 3,200,000

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Subsequent Event

3 Months Ended

Mar. 31, 2014

Subsequent Events [Abstract]

Subsequent Event

Subsequent Event

Columbia Property Trust has evaluated subsequent events in connection with the preparation of the consolidated financial statements and notes thereto included in this report on Form 10-Q and noted the following in addition to those disclosed elsewhere in this report:

Property Acquisition

On April 22, 2014, Columbia Property Trust acquired the 221 Main Street Building as described in Note 3, Real Estate and Other Transactions.

Dividend Declaration

On May 7, 2014, the board of directors declared dividends for the second quarter of 2014 in the amount of $0.30 per share, payable on June 17, 2014 to stockholders of record on June 2, 2014.

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Stockholder's Equity (Tables)

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Summary of the Activity of Employee Stock Grants

A summary of the activity for the employee stock grants under the 2013 Long-Term Incentive Plan for the three months ended March 31, 2014, follows:

	Shares (in thousands)			Weighted-Average, Grant-Date Fair Value(1)
Unvested shares as of January 1, 2014	—			$	—
Granted	144			$	24.82
Vested	(36	)		$	24.82
Forfeited	—			$	—
Unvested shares as of March 31, 2014	108		(2)	$	24.82

⁽¹⁾  Columbia Property Trust determined the weighted-average, grant-date fair value using the market closing price on the date of the grant.

⁽²⁾  As of March 31, 2014, we expect approximately 102,000 of the 108,000 unvested shares to ultimately vest, assuming a forfeiture rate of 5.0%, which was determined based on peer company data, adjusted for the specifics of the 2013 Long-Term Incentive Plan.

Summary of Shares Granted to Independent Directors

A summary of these grants, which were made under the 2013 Long-Term Incentive Plan follows:

	Date of Grant	Shares	Weighted Average Grant-Date Fair Value
Q1 2014 Director Grant	January 21, 2014	3,344	24.82
Q2 2014 Director Grant	April 1, 2014	2,968	27.22

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Related-Party Transactions and Agreements (Narratives) (Details) (USD $)	3 Months Ended				1 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 WREAS II	Mar. 31, 2014 Transitional Services Agreement WREF Monthly_Installment_Payments	Dec. 31, 2012 Amended to Transition Services Agreement WREF
Related Party Transaction [Line Items]
Monthly management fee percent of gross cost			0.05208%
Monthly payments under agreement				$ 500,000
Related Party Transaction, Terms of Agreement, Reimbursement Obligation, Maximum				250,000
Related Party Transaction, Amount Payable Under Agreement				6,000,000	2,800,000
Related Party Transaction, Terms of Agreement, Monthly Installments				12
Total related-party costs	$ 0	$ 38,873,000

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Real Estate and Other Transactions - Dispositions (Details) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 21, 2013 Dvintsev Business Center - Tower B Landlink Ltd
Significant Acquisitions and Disposals [Line Items]
Ownership percentage of real estate			100.00%
Net proceeds from the sale of real estate			$ 67,500,000
Gain (loss) on disposition of discontinued operations	$ (328,000)	$ 10,014,000	$ 10,000,000

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Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 3,400	$ (22,608)
Foreign currency translation adjustment realized in discontinued operations	0	(83)
Market value adjustment to interest rate swap	254	549
Comprehensive income (loss)	$ 3,654	$ (22,142)

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Basis of Presentation

The consolidated financial statements of Columbia Property Trust have been prepared in accordance with the rules and regulations of the U.S. Securities and Exchange Commission ("SEC"), including the instructions to Form 10-Q and Article 10 of Regulation S-X, and do not include all of the information and footnotes required by U.S. generally accepted accounting principles ("GAAP") for complete financial statements. In the opinion of management, the statements for these unaudited interim periods presented include all adjustments, which are of a normal and recurring nature, necessary for a fair and consistent presentation of the results for such periods. Results for these interim periods are not necessarily indicative of a full year's results. Columbia Property Trust's consolidated financial statements include the accounts of Columbia Property Trust, Columbia Property Trust OP, and any variable interest entity in which Columbia Property Trust or Columbia Property Trust OP was deemed the primary beneficiary. With respect to entities that are not variable interest entities, Columbia Property Trust's consolidated financial statements also include the accounts of any entity in which Columbia Property Trust, Columbia Property Trust OP, or their subsidiaries own a controlling financial interest and any limited partnership in which Columbia Property Trust, Columbia Property Trust OP, or its subsidiaries own a controlling general partnership interest. All intercompany balances and transactions have been eliminated in consolidation. For further information, refer to the financial statements and footnotes included in Columbia Property Trust's Annual Report on Form 10-K for the year ended December 31, 2013.

Fair Value Measurements

Columbia Property Trust estimates the fair value of its assets and liabilities (where currently required under GAAP) consistent with the provisions of Accounting Standard Codification ("ASC") 820, Fair Value Measurements ("ASC 820"). Under this standard, fair value is defined as the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date. While various techniques and assumptions can be used to estimate fair value depending on the nature of the asset or liability, the accounting standard for fair value measurements and disclosures provides the following fair value technique parameters and hierarchy, depending upon availability:

Level 1 – Assets or liabilities for which the identical term is traded on an active exchange, such as publicly traded instruments or futures contracts.

Level 2 – Assets and liabilities valued based on observable market data for similar instruments.

Level 3 – Assets or liabilities for which significant valuation assumptions are not readily observable in the market. Such assets or liabilities are valued based on the best available data, some of which may be internally developed. Significant assumptions may include risk premiums that a market participant would consider.

Real Estate Assets

Columbia Property Trust is required to make subjective assessments as to the useful lives of its depreciable assets. Columbia Property Trust considers the period of future benefit of the asset to determine the appropriate useful lives. These assessments have a direct impact on net income. The estimated useful lives of its assets by class are as follows:

Buildings	40 years
Building improvements	5-25 years
Site improvements	15 years
Tenant improvements	Shorter of economic life or lease term
Intangible lease assets	Lease term

Evaluating the Recoverability of Real Estate Assets

Columbia Property Trust continually monitors events and changes in circumstances that could indicate that the carrying amounts of its real estate and related intangible assets, of both operating properties and properties under construction, in which Columbia Property Trust has an ownership interest, either directly or through investments in joint ventures, may not be recoverable. When indicators of potential impairment are present that suggest that the carrying amounts of real estate assets and related intangible assets (liabilities) may not be recoverable, Columbia Property Trust assesses the recoverability of these assets by determining whether the respective carrying values will be recovered through the estimated undiscounted future operating cash flows expected from the use of the assets and their eventual disposition. In the event that such expected undiscounted future cash flows do not exceed the carrying values, Columbia Property Trust adjusts the carrying value of the real estate assets and related intangible assets to the estimated fair values, pursuant to the property, plant, and equipment accounting standard for the impairment or disposal of long-lived assets, and recognizes an impairment loss. Estimated fair values are calculated based on the following information, in order of preference, depending upon availability: (i) recently quoted market prices, (ii) market prices for comparable properties, or (iii) the present value of future cash flows, including estimated salvage value. Certain of Columbia Property Trust's assets may be carried at more than an amount that could be realized in a current disposition transaction.

Projections of expected future operating cash flows require that Columbia Property Trust estimates future market rental income amounts subsequent to the expiration of current lease agreements, property operating expenses, the number of months it takes to re-lease the property, and the number of years the property is held for investment, among other factors. The subjectivity of assumptions used in the future cash flow analysis, including discount rates, could result in an incorrect assessment of the property's fair value and could result in the misstatement of the carrying value of Columbia Property Trust's real estate assets and related intangible assets and net income (loss).

In connection with furthering its portfolio repositioning efforts, in the first quarter of 2013, Columbia Property Trust initiated a process to market 18 properties for sale (the "18 Property Sale"). Pursuant to the accounting policy outlined above, Columbia Property Trust evaluated the recoverability of the carrying values of each of these properties and determined that the 120 Eagle Rock property in East Hanover, New Jersey, and the 333 & 777 Republic Drive property in Allen Park, Michigan, were no longer recoverable due to shortening the respective expected property holding periods in connection with these repositioning efforts. As a result, Columbia Property Trust reduced the carrying value of the 120 Eagle Rock property and the 333 & 777 Republic Drive property to reflect their respective fair values, estimated based on projected discounted future cash flows and recorded corresponding property impairment losses, of $11.7 million and $5.2 million, respectively, in the first quarter of 2013, which are included in operating income (loss) from discontinued operations in the accompanying statement of operations. In connection with finalizing the terms of the 18 Property Sale agreement in the fourth quarter of 2013, Columbia Property Trust reduced the aggregate carrying value of the assets included therein to fair value, as estimated based on the approximate net contract price (Level 2) of $500 million, by recognizing an additional impairment loss of $12.9 million in the third quarter of 2013.

Columbia Property Trust has revised its investment strategy for the 180 Park Avenue, #103 building in Florham Park, New Jersey to sell the property to a user in the near-term. As a result, management reduced its intended holding period for the property and reevaluated its carrying value as of March 31, 2014 pursuant to the accounting policy outlined above. Columbia Property Trust concluded that the 180 Park Avenue, #103 building was not recoverable and reduced its carrying value to reflect its fair value, estimated based on recently quoted market prices (Level 2), by recording an impairment loss of approximately $13.6 million, in the first quarter of 2014.

The fair value measurements used in the evaluation of the 120 Eagle Rock property and the 333 & 777 Republic Drive property are considered to be Level 3 valuations within the fair value hierarchy outlined above, as there are significant unobservable inputs. Examples of inputs that were utilized in the fair value calculations include estimated holding periods, discount rates, market capitalization rates, expected lease rental rates, and potential sales prices. The table below represents the detail of the adjustments recognized using Level 3 inputs.

For the three months ended March 31, 2013 (in thousands):

Property	Net Book Value		Impairment Loss Recognized			Fair Value
120 Eagle Rock	$	23,808	$	(11,708	)	$	12,100
333 & 777 Republic Drive	$	13,359	$	(5,159	)	$	8,200

Assets Held for Sale

Columbia Property Trust classifies assets as held for sale according to ASC 360, Accounting for the Impairment or Disposal of Long-Lived Assets ("ASC 360"). According to ASC 360, assets are considered held for sale when the following criteria are met:

• Management, having the authority to approve the action, commits to a plan to sell the property.

• The property is available for immediate sale in its present condition subject only to terms that are usual and customary for sales of such property.

• An active program to locate a buyer and other actions required to complete the plan to sell the property have been initiated.

• The sale of the property is probable, and transfer of the property is expected to qualify for recognition as a completed sale, within one year.

• The property is being actively marketed for sale at a price that is reasonable in relation to its current fair value.

• Actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn.

At such time that a property is determined to be held for sale, its carrying amount is reduced to the lower of its depreciated book value or its estimated fair value, less costs to sell, and depreciation is no longer recognized. As of March 31, 2014, none of Columbia Property Trust's properties met the criteria to be classified as held for sale in the accompanying balance sheet.

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessor

Upon the acquisition of real properties, Columbia Property Trust allocates the purchase price of properties to tangible assets, consisting of land, building, site improvements, and identified intangible assets and liabilities, including the value of in-place leases, based in each case on Columbia Property Trust's estimate of their fair values in accordance with ASC 820 (see Fair Value Measurements section above for additional detail). As of March 31, 2014 and December 31, 2013, Columbia Property Trust had the following gross intangible in-place lease assets and liabilities (in thousands):

		Intangible Lease Assets						Intangible Lease Origination Costs			Intangible Below-Market In-Place Lease Liabilities
		Above-Market In-Place Lease Assets			Absorption Period Costs
March 31, 2014	Gross	$	80,691		$	387,433		$	360,080		$	150,285
	Accumulated Amortization	(58,070		)	(235,886		)	(219,623		)	(79,502		)
	Net	$	22,621		$	151,547		$	140,457		$	70,783
December 31, 2013	Gross	$	80,836		$	388,686		$	365,487		$	150,364
	Accumulated Amortization	(56,859		)	(229,065		)	(216,598		)	(76,500		)
	Net	$	23,977		$	159,621		$	148,889		$	73,864

Columbia Property Trust recognized the following amortization of intangible lease assets and liabilities (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the three months ended March 31, 2014	$	1,356	$	8,073	$	8,432	$	3,081
For the three months ended March 31, 2013	$	1,685	$	10,136	$	9,923	$	3,726

The remaining net intangible assets and liabilities as of March 31, 2014 will be amortized as follows (in thousands):

	Intangible Lease Assets				Intangible Lease Origination Costs		Intangible Below-Market In-Place Lease Liabilities
	Above-Market In-Place Lease Assets		Absorption Period Costs
For the nine months ending December 31, 2014	$	4,047	$	23,823	$	24,428	$	9,200
For the years ending December 31:
2015	4,555		28,323		29,338		10,860
2016	3,823		21,786		22,426		8,513
2017	1,954		16,087		15,980		6,477
2018	1,150		12,407		11,542		5,787
2019	1,083		11,293		10,437		5,226
Thereafter	6,009		37,828		26,306		24,720
	$	22,621	$	151,547	$	140,457	$	70,783

Intangible Assets and Liabilities Arising from In-Place Leases where Columbia Property Trust is the Lessee

In-place ground leases where Columbia Property Trust is the lessee may have value associated with effective contractual rental rates that are above or below market rates at the time of execution or assumption. Such values are calculated based on the present value (using a discount rate that reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place lease and (ii) management's estimate of fair market lease rates for the corresponding in-place lease at the time of execution or assumption, measured over a period equal to the remaining terms of the leases. The capitalized above-market and below-market in-place lease values are recorded as intangible lease liabilities and assets, respectively, and are amortized as an adjustment to property operating cost over the remaining term of the respective leases. Columbia Property Trust had gross below-market lease assets of approximately $110.7 million as of March 31, 2014 and December 31, 2013, and recognized amortization of these assets of approximately $0.5 million for the three months ended March 31, 2014 and 2013.

As of March 31, 2014, the remaining net below-market lease asset will be amortized as follows (in thousands):

For the nine months ending December 31, 2014	$	1,551
For the years ending December 31:
2015	2,069
2016	2,069
2017	2,069
2018	2,069
2019	2,069
Thereafter	85,209
	$	97,105

Prepaid Expenses and Other Assets

Prepaid expenses and other assets primarily are comprised of escrow accounts held by lenders to pay future real estate taxes, insurance and tenant improvements, notes receivable, nontenant receivables, prepaid taxes, insurance and operating costs, certain corporate assets, hotel inventory, and deferred tax assets. Prepaid expenses and other assets will be expensed as incurred or reclassified to other asset accounts upon being put into service in future periods.     

Interest Rate Swap Agreements

Columbia Property Trust enters into interest rate swap contracts to mitigate its interest rate risk on the related financial instruments. Columbia Property Trust does not enter into derivative or interest rate swap transactions for speculative purposes; however, certain of its derivatives may not qualify for hedge accounting treatment. Columbia Property Trust records the fair value of its interest rate swaps either as prepaid expenses and other assets or as accounts payable, accrued expenses, and accrued capital expenditures. Changes in the fair value of the effective portion of interest rate swaps that are designated as cash flow hedges are recorded as other comprehensive income, while changes in the fair value of the ineffective portion of a hedge, if any, is recognized currently in earnings. Changes in the fair value of interest rate swaps that do not qualify for hedge accounting treatment are recorded as gain (loss) on interest rate swaps. Amounts received or paid under interest rate swap agreements are recorded as interest expense for contracts that qualify for hedge accounting treatment and as gain (loss) on interest rate swaps for contracts that do not qualify for hedge accounting treatment.

The following tables provide additional information related to Columbia Property Trust's interest rate swaps (in thousands):

		Estimated Fair Value as of
Instrument Type	Balance Sheet Classification	March 31, 2014			December 31, 2013
Derivatives designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(3,053	)	$	(3,307	)
Derivatives not designated as hedging instruments:
Interest rate contracts	Accounts payable	$	(6,481	)	$	(7,579	)

Columbia Property Trust applied the provisions of ASC 820 in recording its interest rate swaps at fair value. The fair values of the interest rate swaps, classified under Level 2, were determined using a third-party proprietary model that is based on prevailing market data for contracts with matching durations, current and anticipated London Interbank Offered Rate ("LIBOR") information, and reasonable estimates about relevant future market conditions. Columbia Property Trust has determined that the fair value, as determined by the third party, is reasonable. The fair value of Columbia Property Trust's interest rate swaps were $(9.5) million and $(10.9) million at March 31, 2014 and December 31, 2013, respectively.

	Three months ended March 31,
	2014			2013
Market value adjustment to interest rate swaps designated as hedging instruments and included in   other comprehensive income	$	254		$	549
Gain (loss) on interest rate swap recognized through earnings	$	(230	)	$	57

During the periods presented, there was no hedge ineffectiveness required to be recognized into earnings on the interest rate swaps that qualified for hedge accounting treatment.

Income Taxes

Columbia Property Trust has elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended (the "Code"), and has operated as such beginning with its taxable year ended December 31, 2003. To qualify as a REIT, Columbia Property Trust must meet certain organizational and operational requirements, including a requirement to distribute at least 90% of its REIT taxable income, as defined by the Code, to its stockholders. As a REIT, Columbia Property Trust generally is not subject to income tax on income it distributes to stockholders. Columbia Property Trust's stockholder distributions typically exceed its taxable income due to the inclusion of noncash expenses, such as depreciation, in taxable income. As a result, Columbia Property Trust typically does not incur federal income taxes other than as described in the following paragraph. Columbia Property Trust is, however, subject to certain state and local taxes related to the operations of properties in certain locations, which have been provided for in the accompanying consolidated financial statements.

Columbia Property Trust TRS, LLC ("Columbia Property Trust TRS"), Columbia KCP TRS, LLC ("Columbia KCP TRS"), and Columbia Energy TRS, LLC ("Columbia Energy TRS") (collectively, the "TRS Entities") are wholly owned subsidiaries of Columbia Property Trust, are organized as Delaware limited liability companies, and operate, among other things, a full-service hotel. Columbia Property Trust has elected to treat the TRS Entities as taxable REIT subsidiaries. Columbia Property Trust may perform certain additional, noncustomary services for tenants of its buildings through the TRS Entities; however, any earnings related to such services are subject to federal and state income taxes. In addition, for Columbia Property Trust to continue to qualify as a REIT, Columbia Property Trust must limit its investments in taxable REIT subsidiaries to 25% of the value of the total assets. The TRS Entities' deferred tax assets and liabilities represent temporary differences between the financial reporting basis and the tax basis of assets and liabilities based on the enacted rates expected to be in effect when the temporary differences reverse. If applicable, Columbia Property Trust records interest and penalties related to uncertain tax positions as general and administrative expense in the accompanying consolidated statements of operations.

Reclassification

Certain prior period amounts have been reclassified to provide additional detail, or to conform with the current-period financial statement presentation, including discontinued operations (see Note 10, Discontinued Operations).

Recent Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (the "FASB") issued Accounting Standards Update 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity ("ASU 2014-08"). As a result, beginning with our Quarterly Report on Form 10-Q for the three months ended March 31, 2015, Columbia Property Trust will be required to reflect in discontinued operations only those real estate asset sales representing a strategic shift in operations (e.g. a disposal of a major geographical area or a major line of business). Currently, Columbia Property Trust is generally required to reflect all real estate asset sales as discontinued operations, which requires reclassification of the operations of the sold assets from continuing operations for all periods presented. Early adoption is permitted, but only for real estate asset sales that have not been previously reflected as discontinued operations. Columbia Property Trust did not have any real estate sales during the three months ended March 31, 2014.  However, Columbia Property Trust may elect to early adopt ASU 2014-08 in conjunction with a real estate sale during 2014.

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Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries (Consolidating Statements of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:	$ 57,791	$ 48,524
Cash flows from investing activities:
Net proceeds from the sale of real estate	0	65,928
Investment in real estate and related assets	(33,268)	(12,054)
Investments in subsidiaries	0
Net cash provided by (used in) investing activities	(33,268)	53,874
Cash flows from financing activities:
Borrowings, net of fees		68,959
Repayments	(646)	(86,609)
Issuance of common stock, net of redemptions and fees		(18,033)
Distributions	(37,489)	(51,646)
Intercompany transfers, net	0	0
Net cash used in financing activities	(38,135)	(87,329)
Net increase (decrease) in cash and cash equivalents	(13,612)	15,069
Effect of foreign exchange rate on cash and cash equivalents	0	(103)
Cash and cash equivalents, beginning of period	99,855	53,657
Cash and cash equivalents, end of period	86,243	68,623
Columbia Property Trust (Parent) (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:		0
Cash flows from investing activities:
Net proceeds from the sale of real estate		0
Investment in real estate and related assets		0
Net cash provided by (used in) investing activities		0
Cash flows from financing activities:
Borrowings, net of fees		0
Repayments		0
Issuance of common stock, net of redemptions and fees		(18,033)
Distributions		(51,646)
Intercompany transfers, net		69,268
Net cash used in financing activities		(411)
Net increase (decrease) in cash and cash equivalents		(411)
Effect of foreign exchange rate on cash and cash equivalents		0
Cash and cash equivalents, beginning of period		20,914
Cash and cash equivalents, end of period		20,503
Columbia Property Trust OP (the Issuer)
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:		(21,051)
Cash flows from investing activities:
Net proceeds from the sale of real estate		65,928
Investment in real estate and related assets		(2,481)
Net cash provided by (used in) investing activities		63,447
Cash flows from financing activities:
Borrowings, net of fees		69,000
Repayments		(86,000)
Issuance of common stock, net of redemptions and fees		0
Distributions		0
Intercompany transfers, net		(15,148)
Net cash used in financing activities		(32,148)
Net increase (decrease) in cash and cash equivalents		10,248
Effect of foreign exchange rate on cash and cash equivalents		0
Cash and cash equivalents, beginning of period		4,822
Cash and cash equivalents, end of period		15,070
Non- Guarantors
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:		69,575
Cash flows from investing activities:
Net proceeds from the sale of real estate		0
Investment in real estate and related assets		(9,573)
Net cash provided by (used in) investing activities		(9,573)
Cash flows from financing activities:
Borrowings, net of fees		(41)
Repayments		(609)
Issuance of common stock, net of redemptions and fees		0
Distributions		0
Intercompany transfers, net		(54,120)
Net cash used in financing activities		(54,770)
Net increase (decrease) in cash and cash equivalents		5,232
Effect of foreign exchange rate on cash and cash equivalents		(103)
Cash and cash equivalents, beginning of period		27,921
Cash and cash equivalents, end of period		33,050
Reportable Legal Entities | Columbia Property Trust (Parent) (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:	(28)
Cash flows from investing activities:
Investment in real estate and related assets	0
Investments in subsidiaries	(13,700)
Net cash provided by (used in) investing activities	(13,700)
Cash flows from financing activities:
Repayments	0
Distributions	(37,489)
Intercompany transfers, net	23,392
Net cash used in financing activities	(14,097)
Net increase (decrease) in cash and cash equivalents	(27,825)
Cash and cash equivalents, beginning of period	53,322
Cash and cash equivalents, end of period	25,497
Reportable Legal Entities | Columbia Property Trust OP (the Issuer)
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:	(9,614)
Cash flows from investing activities:
Investment in real estate and related assets	(10,932)
Investments in subsidiaries	(12,985)
Net cash provided by (used in) investing activities	(23,917)
Cash flows from financing activities:
Repayments	0
Distributions	0
Intercompany transfers, net	53,225
Net cash used in financing activities	53,225
Net increase (decrease) in cash and cash equivalents	19,694
Cash and cash equivalents, beginning of period	20,708
Cash and cash equivalents, end of period	40,402
Reportable Legal Entities | Non- Guarantors
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:	67,433
Cash flows from investing activities:
Investment in real estate and related assets	(22,336)
Investments in subsidiaries	0
Net cash provided by (used in) investing activities	(22,336)
Cash flows from financing activities:
Repayments	(646)
Distributions	0
Intercompany transfers, net	(49,932)
Net cash used in financing activities	(50,578)
Net increase (decrease) in cash and cash equivalents	(5,481)
Cash and cash equivalents, beginning of period	25,825
Cash and cash equivalents, end of period	20,344
Eliminations
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities:	0
Cash flows from investing activities:
Investment in real estate and related assets	0
Investments in subsidiaries	26,685
Net cash provided by (used in) investing activities	26,685
Cash flows from financing activities:
Repayments	0
Distributions	0
Intercompany transfers, net	(26,685)
Net cash used in financing activities	(26,685)
Net increase (decrease) in cash and cash equivalents	0
Cash and cash equivalents, beginning of period	0
Cash and cash equivalents, end of period	$ 0

XML

Supplemental Disclosures of Noncash Investing and Financing Activities (Tables)

3 Months Ended

Mar. 31, 2014

Supplemental Cash Flow Information [Abstract]

Schedule of Other Significant Noncash Transactions

Outlined below are significant noncash investing and financing activities for the three months ended March 31, 2014 and 2013 (in thousands):

	Three months ended March 31,
	2014			2013
Other assets assumed at acquisition	$	—		$	680
Other liabilities assumed at acquisition	$	—		$	680
Other liabilities settled at disposition	$	—		$	872
Interest accruing to notes payable	$	—		$	78
Amortization of premiums on debt	$	(88	)	$	(89	)
Market value adjustment to interest rate swaps that qualify for hedge accounting treatment	$	254		$	549
Accrued capital expenditures and deferred lease costs	$	6,669		$	7,300
Accrued deferred financing costs	$	24		$	—
Accrued redemptions of common stock	$	—		$	1,554
Common stock issued to employees and directors, and amortized (net of amounts withheld for income taxes)	$	189		$	—
Increase in redeemable common stock	$	—		$	59,981

XML

Summary of Significant Accounting Policies (Schedule of Future Amortization for Below-Market Lease Assets) (Details) (Below-Market Lease Assets, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Below-Market Lease Assets
For the years ending December 31:
For the nine months ended December 31, 2014	$ 1,551
2015	2,069
2016	2,069
2017	2,069
2018	2,069
2019	2,069
Thereafter	85,209
Future amortization expense	$ 97,105

XML

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries

3 Months Ended

Mar. 31, 2014

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non Guarantor Subsidiaries [Abstract]

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries

Financial Information for Parent Guarantor, Other Guarantor Subsidiaries and Non-Guarantor Subsidiaries

The 2018 Bonds Payable (see Note 5, Bonds Payable) were issued by Columbia Property Trust OP, and are guaranteed by Columbia Property Trust. As a result of amending the $450 Million Term Loan and the JPMorgan Chase Credit Facility in August 2013, all of the indirect and direct subsidiaries of Columbia Property Trust that previously guaranteed the $450.0 Million Term Loan, the JPMorgan Chase Credit Facility, and the 2018 Bonds Payable were released under customary circumstances as guarantors, which resulted in the reclassification of prior-period amounts from the guarantor to the non-guarantor groupings within the condensed consolidating financial statements to conform with the current period presentation. In accordance with SEC Rule 3-10(c), Columbia Property Trust includes herein condensed consolidating financial information in lieu of separate financial statements of the subsidiary issuer (Columbia Property Trust OP), as defined in the bond indenture, because all of the following criteria are met:

(1) The subsidiary issuer (Columbia Property Trust OP) is 100% owned by the parent company guarantor (Columbia Property Trust);

(2) The guarantees are full and unconditional; and

(3) The guarantees are joint and several.

Columbia Property Trust uses the equity method with respect to its investment in subsidiaries included in its condensed consolidating financial statements. Set forth below are Columbia Property Trust's condensed consolidating balance sheets as of March 31, 2014 and December 31, 2013 (in thousands), as well as its condensed consolidating statements of operations and its condensed consolidating statements of comprehensive income for the three months ended March 31, 2014 and 2013 (in thousands); and its condensed consolidating statements of cash flows for the three months ended March 31, 2014 and 2013 (in thousands).

Condensed Consolidating Balance Sheets (in thousands)

	As of March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia  Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241	$	697,311	$	—		$	703,552
Buildings and improvements, net	—		24,281		2,919,241		—			2,943,522
Intangible lease assets, net	—		—		271,273		—			271,273
Construction in progress	—		154		10,326		—			10,480
Total real estate assets	—		30,676		3,898,151		—			3,928,827
Cash and cash equivalents	25,497		40,402		20,344		—			86,243
Investment in subsidiaries	2,541,298		2,283,550		—		(4,824,848		)	—
Tenant receivables, net of allowance	—		197		7,943		—			8,140
Straight line rent receivable	—		24		116,319		—			116,343
Prepaid expenses and other assets	187,477		149,739		24,427		(321,674		)	39,969
Deferred financing costs, net	—		8,048		1,540		—			9,588
Intangible lease origination costs, net	—		—		140,457		—			140,457
Deferred lease costs, net	—		1,507		97,056		—			98,563
Investment in development authority bonds	—		—		120,000		—			120,000
Total assets	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130
Liabilities:
Line of credit and notes payable	$	—	$	450,000	$	1,109,545	$	(320,093	)	$	1,239,452
Bonds payable, net	—		248,993		—		—			248,993
Accounts payable, accrued expenses, and accrued capital expenditures	94		14,432		75,570		—			90,096
Due to affiliates	—		12		1,569		(1,581		)	—
Deferred income	—		185		24,443		—			24,628
Intangible lease liabilities, net	—		—		70,783		—			70,783
Obligations under capital leases	—		—		120,000		—			120,000
Total liabilities	94		713,622		1,401,910		(321,674		)	1,793,952
Equity:
Total equity	2,754,178		1,800,521		3,024,327		(4,824,848		)	2,754,178
Total liabilities and equity	$	2,754,272	$	2,514,143	$	4,426,237	$	(5,146,522	)	$	4,548,130

Condensed Consolidating Balance Sheets (in thousands)

	As of December 31, 2013
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)			Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Assets:
Real estate assets, at cost:
Land	$	—	$	6,241		$	700,697	$	—		$	706,938
Building and improvements, net	—		24,185			2,952,102		—			2,976,287
Intangible lease assets, net	—		—			281,220		—			281,220
Construction in progress	—		28			7,921		—			7,949
Total real estate assets	—		30,454			3,941,940		—			3,972,394
Cash and cash equivalents	53,322		20,708			25,825		—			99,855
Investment in subsidiaries	2,557,347		2,286,982			—		(4,844,329		)	—
Tenant receivables, net of allowance	—		—			7,414		—			7,414
Straight line rent receivable	—		22			113,570		—			113,592
Prepaid expenses and other assets	177,185		150,806			26,602		(322,170		)	32,423
Deferred financing costs, net	—		8,762			1,626		—			10,388
Intangible lease origination costs, net	—		—			148,889		—			148,889
Deferred lease costs, net	—		1,495			86,032		—			87,527
Investment in development authority bonds	—		—			120,000		—			120,000
Total assets	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482
Liabilities:
Lines of credit and notes payable	$	—	$	450,000		$	1,110,838	$	(320,589	)	$	1,240,249
Bonds payable, net	—		248,930			—		—			248,930
Accounts payable, accrued expenses, and accrued capital expenditures	31		11,816			87,831		—			99,678
Due to (from) affiliates	—		(925		)	2,506		(1,581		)	—
Deferred income	—		146			21,792		—			21,938
Intangible lease liabilities, net	—		—			73,864		—			73,864
Obligations under capital leases	—		—			120,000		—			120,000
Total liabilities	31		709,967			1,416,831		(322,170		)	1,804,659
Equity:
Total equity	2,787,823		1,789,262			3,055,067		(4,844,329		)	2,787,823
Total liabilities, redeemable common stock, and equity	$	2,787,854	$	2,499,229		$	4,471,898	$	(5,166,499	)	$	4,592,482

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	109		$	100,547		$	(89	)	$	100,567
Tenant reimbursements	—			46			23,687			—			23,733
Hotel income	—			—			4,061			—			4,061
Other property income	—			—			844			(37		)	807
	—			155			129,139			(126		)	129,168
Expenses:
Property operating costs	—			610			38,459			(89		)	38,980
Hotel operating costs	—			—			4,141			—			4,141
Asset and property management fees:
Related-party	—			4			—			(4		)	—
Other	—			—			575			(286		)	289
Depreciation	—			381			26,923			—			27,304
Amortization	—			9			18,512			—			18,521
Impairment loss on real estate assets	—			—			13,550			—			13,550
General and administrative	29			2,617			4,333			(33		)	6,946
	29			3,621			106,493			(412		)	109,731
Real estate operating income (loss)	(29		)	(3,466		)	22,646			286			19,437
Other income (expense):
Interest expense	—			(7,434		)	(15,158		)	4,682			(17,910		)
Interest and other income	1,988			2,695			1,809			(4,682		)	1,810
Loss on interest rate swaps	—			—			(230		)	—			(230		)
Income from equity investment	1,441			8,617			—			(10,058		)	—
	3,429			3,878			(13,579		)	(10,058		)	(16,330		)
Income before income tax expense	3,400			412			9,067			(9,772		)	3,107
Income tax benefit (expense)	—			(1		)	345			—			344
Income from continuing operations	3,400			411			9,412			(9,772		)	3,451
Discontinued operations:
Operating income from discontinued operations	—			—			277			—			277
Loss on disposition of discontinued operations	—			—			(328		)	—			(328		)
Loss from discontinued operations	—			—			(51		)	—			(51		)
Net income	$	3,400		$	411		$	9,361		$	(9,772	)	$	3,400

Consolidating Statements of Operations (in thousands)

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Revenues:
Rental income	$	—		$	101		$	101,234		$	(29	)	$	101,306
Tenant reimbursements	—			103			22,141			—			22,244
Hotel income	—			—			4,954			—			4,954
Other property income	—			17			303			(32		)	288
	—			221			128,632			(61		)	128,792
Expenses:
Property operating costs	—			475			37,138			(29		)	37,584
Hotel operating costs	—			—			4,261			—			4,261
Asset and property management fees:
Related-party	4,397			3			313			(20		)	4,693
Other	—			—			613			—			613
Depreciation	—			233			26,477			—			26,710
Amortization	—			7			19,895			—			19,902
General and administrative	—			33,705			3,126			(12		)	36,819
	4,397			34,423			91,823			(61		)	130,582
Real estate operating income (loss)	(4,397		)	(34,202		)	36,809			—			(1,790		)
Other income (expense):
Interest expense	—			(8,177		)	(22,685		)	4,728			(26,134		)
Interest and other income	1,997			2,732			9,110			(4,728		)	9,111
Gain on interest rate swaps	—			—			57			—			57
Income (loss) from equity investment	(20,208		)	18,333			—			1,875			—
	(18,211		)	12,888			(13,518		)	1,875			(16,966		)
Income (loss) before income tax benefit (expense)	(22,608		)	(21,314		)	23,291			1,875			(18,756		)
Income tax benefit (expense)	—			(1		)	102			—			101
Income (loss) from continuing operations	(22,608		)	(21,315		)	23,393			1,875			(18,655		)
Discontinued operations:
Operating income (loss) from discontinued operations	—			658			(14,625		)	—			(13,967		)
Gain on disposition of discontinued operations	—			—			10,014			—			10,014
Income (loss) from discontinued operations	—			658			(4,611		)	—			(3,953		)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)

Consolidating Statements of Comprehensive Income (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)		Columbia Property Trust OP  (the Issuer)		Non- Guarantors		Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income	$	3,400	$	411	$	9,361	$	(9,772	)	$	3,400
Market value adjustment to interest rate swap	254		254		—		(254		)	254
Comprehensive income	$	3,654	$	665	$	9,361	$	(10,026	)	$	3,654

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia  Property Trust OP  (the Issuer)			Non- Guarantors			Consolidating adjustments			Columbia Property Trust (Consolidated)
Net income (loss)	$	(22,608	)	$	(20,657	)	$	18,782		$	1,875		$	(22,608	)
Foreign currency translation adjustment	(83		)	—			(83		)	83			(83		)
Market value adjustment to interest rate swap	549			549			—			(549		)	549
Comprehensive income (loss)	$	(22,142	)	$	(20,108	)	$	18,699		$	1,409		$	(22,142	)

Consolidating Statements of Cash Flows (in thousands)

	For the three months ended March 31, 2014
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Eliminations			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	(28	)	$	(9,614	)	$	67,433		$	—		$	57,791
Cash flows from investing activities:
Investment in real estate and related assets	—			(10,932		)	(22,336		)	—			(33,268		)
Investments in subsidiaries	(13,700		)	(12,985		)	—			26,685			—
Net cash provided by (used in) investing activities	(13,700		)	(23,917		)	(22,336		)	26,685			(33,268		)
Cash flows from financing activities:
Repayments of notes payable	—			—			(646		)	—			(646		)
Distributions	(37,489		)	—			—			—			(37,489		)
Intercompany contributions (distributions)	23,392			53,225			(49,932		)	(26,685		)	—
Net cash provided by (used in) financing activities	(14,097		)	53,225			(50,578		)	(26,685		)	(38,135		)
Net increase (decrease) in cash and cash equivalents	(27,825		)	19,694			(5,481		)	—			(13,612		)
Cash and cash equivalents, beginning of period	53,322			20,708			25,825			—			99,855
Cash and cash equivalents, end of period	$	25,497		$	40,402		$	20,344		$	—		$	86,243

	For the three months ended March 31, 2013
	Columbia Property Trust (Parent) (Guarantor)			Columbia Property Trust OP (the Issuer)			Non- Guarantors			Columbia Property Trust (Consolidated)
Cash flows from operating activities	$	—		$	(21,051	)	$	69,575		$	48,524
Cash flows from investing activities:
Net proceeds from sale of real estate	—			65,928			—			65,928
Investment in real estate and related assets	—			(2,481		)	(9,573		)	(12,054		)
Net cash provided by (used in) investing activities	—			63,447			(9,573		)	53,874
Cash flows from financing activities:
Borrowings, net of fees	—			69,000			(41		)	68,959
Repayments of line of credit and notes payable	—			(86,000		)	(609		)	(86,609		)
Issuance of common stock, net of redemptions and fees	(18,033		)	—			—			(18,033		)
Distributions	(51,646		)	—			—			(51,646		)
Intercompany transfers, net	69,268			(15,148		)	(54,120		)	—
Net cash provided by (used in) financing activities	(411		)	(32,148		)	(54,770		)	(87,329		)
Net increase (decrease) in cash and cash equivalents	(411		)	10,248			5,232			15,069
Effect of foreign exchange rate on cash and cash equivalents	—			—			(103		)	(103		)
Cash and cash equivalents, beginning of period	20,914			4,822			27,921			53,657
Cash and cash equivalents, end of period	$	20,503		$	15,070		$	33,050		$	68,623