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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Schedule of allowance for credit loss | . The rollforward of the allowance for doubtful accounts and credit memo reserves for the nine months ended September 30, 2021 is as follows:
|  | Balance as of December 31, 2020 |  | $ | 56,981 |  |  |  |  |  |
|  | Credit memos charged to revenue |  | 29,996 |  |  |  |  |  |
|  | Allowance for bad debts charged to expense |  | 16,371 |  |  |  |  |  |
|  | Deductions and other(1) |  | (43,134) |  |  |  |  |
|  | Balance as of September 30, 2021 |  | $ | 60,214 |  |  |  |  |  |
(1)Primarily consists of the issuance of credit memos, the write-off of accounts receivable, allowances associated with businesses acquired and the impact associated with currency translation adjustments.
Schedule of operating and financing lease right-of-use assets and lease liabilities | Operating and financing lease right-of-use assets and lease liabilities as of September 30, 2021 and December 31, 2020 are as follows:
DESCRIPTION |  | SEPTEMBER 30, 2021 |  | DECEMBER 31, 2020
Assets: |  |  |  |
Operating lease right-of-use assets |  | $ | 2,308,047 |  |  | $ | 2,196,502 |
Financing lease right-of-use assets, net of accumulated depreciation(1) |  | 307,032 |  |  | 310,534 |
Liabilities: |  |  |  |
Current |  |  |  |
Operating lease liabilities |  | $ | 257,884 |  |  | $ | 250,239 |
Financing lease liabilities(1) |  | 42,442 |  |  | 43,149 |
Long-term |  |  |  |
Operating lease liabilities |  | $ | 2,164,449 |  |  | $ | 2,044,598 |
Financing lease liabilities(1) |  | 321,682 |  |  | 323,162 |
(1)Financing lease right-of-use assets, current financing lease liabilities and long-term financing lease liabilities are included within Property, Plant and Equipment, Net, Current portion of long-term debt and Long-term Debt, net of current portion, respectively, within our Condensed Consolidated Balance Sheets.
Schedule of lease, cost | The components of the lease expense for the three and nine months ended September 30, 2021 and 2020 are as follows:
|  | THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
DESCRIPTION |  | 2021 |  | 2020 |  | 2021 |  | 2020
Operating lease cost(1) |  | $ | 140,551 |  |  | $ | 122,737 |  |  | $ | 408,312 |  |  | $ | 365,303 |
Financing lease cost: |  |  |  |  |  |  |  |
Depreciation of financing lease right-of-use assets |  | $ | 14,006 |  |  | $ | 12,973 |  |  | $ | 39,062 |  |  | $ | 38,495 |
Interest expense for financing lease liabilities |  | 5,055 |  |  | 4,891 |  |  | 14,940 |  |  | 14,664 |
(1)Operating lease cost, the majority of which is included in Cost of sales, includes variable lease costs of $28,835 and $86,422 for the three and nine months ended September 30, 2021, respectively, and $27,486 and $82,287 for the three and nine months ended September 30, 2020, respectively. Supplemental cash flow information relating to our leases for the nine months ended September 30, 2021 and 2020 is as follows:
|  | NINE MONTHS ENDED SEPTEMBER 30,
CASH PAID FOR AMOUNTS INCLUDED IN MEASUREMENT OF LEASE LIABILITIES: |  | 2021 |  | 2020
Operating cash flows used in operating leases |  | $ | 291,535 |  |  | $ | 266,619 |
Operating cash flows used in financing leases (interest) |  | 14,940 |  |  | 14,664 |
Financing cash flows used in financing leases |  | 35,360 |  |  | 36,008 |
NON-CASH ITEMS: |  |  |  |
Operating lease modifications and reassessments |  | $ | 103,158 |  |  | $ | 89,727 |
New operating leases (including acquisitions and sale-leaseback transactions) |  | 240,822 |  |  | 173,635 |
Schedule of changes in the carrying value of goodwill attributable to each reportable operating segment | The changes in the carrying value of goodwill attributable to each reportable operating segment for the nine months ended September 30, 2021 are as follows:
| GLOBAL RIM BUSINESS |  | GLOBAL DATA CENTER BUSINESS |  | CORPORATE AND OTHER BUSINESS |  | TOTAL CONSOLIDATED
Goodwill balance, net of accumulated amortization as of December 31, 2020 | $ | 4,024,182 |  |  | $ | 436,987 |  |  | $ | 96,440 |  |  | $ | 4,557,609 |
Non-tax deductible goodwill acquired during the period | 17,180 |  |  | — |  |  | 9,991 |  |  | 27,171 |
Goodwill allocated to IPM Divestment | — |  |  | — |  |  | (46,105) |  |  | (46,105) |
Fair value and other adjustments | (6,091) |  |  | — |  |  | (1,268) |  |  | (7,359) |
Currency effects | (49,737) |  |  | (7,995) |  |  | (943) |  |  | (58,675) |
Goodwill balance, net accumulated amortization as of September 30, 2021 | $ | 3,985,534 |  |  | $ | 428,992 |  |  | $ | 58,115 |  |  | $ | 4,472,641 |
Accumulated goodwill impairment balance as of September 30, 2021 | $ | 132,409 |  |  | $ | — |  |  | $ | 26,011 |  |  | $ | 158,420 |
Schedule of equity method investments | The carrying values and equity interests in our joint ventures at September 30, 2021 and December 31, 2020 are as follows:
|  | SEPTEMBER 30, 2021 |  | DECEMBER 31, 2020
|  | CARRYING VALUE |  | EQUITY INTEREST |  | CARRYING VALUE |  | EQUITY INTEREST
Web Werks JV |  | $ | 51,257 |  |  | 38 | % |  | $ | — |  |  | — | %
Joint venture with AGC Equity Partners (the “Frankfurt JV”) |  | 26,272 |  |  | 20 | % |  | 26,500 |  |  | 20 | %
Joint venture with MakeSpace Labs, Inc. (the “MakeSpace JV”) |  | 27,419 |  |  | 48 | % |  | 16,924 |  |  | 39 | %
Schedule of assets and liabilities carried at fair value measured on a recurring basis | The assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2021 and December 31, 2020 are as follows:
|  |  |  | FAIR VALUE MEASUREMENTS AT SEPTEMBER 30, 2021 USING
DESCRIPTION |  | TOTAL CARRYING VALUE AT SEPTEMBER 30, 2021 |  | QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1) |  | SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2) |  | SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)
Money Market Funds |  | $ | 9,186 |  |  | $ | — |  |  | $ | 9,186 |  |  | $ | — |
Time Deposits |  | 2,175 |  |  | — |  |  | 2,175 |  |  | — |
Trading Securities |  | 11,713 |  |  | 11,572 |  |  | 141 |  |  | — |
Derivative Assets |  | 1,214 |  |  | — |  |  | 1,214 |  |  | — |
Derivative Liabilities |  | 15,412 |  |  | — |  |  | 15,412 |  |  | — |
|  |  |  | FAIR VALUE MEASUREMENTS AT DECEMBER 31, 2020 USING
DESCRIPTION |  | TOTAL CARRYING VALUE AT DECEMBER 31, 2020 |  | QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1) |  | SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2) |  | SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)
Money Market Funds |  | $ | 62,657 |  |  | $ | — |  |  | $ | 62,657 |  |  | $ | — |
Time Deposits |  | 2,121 |  |  | — |  |  | 2,121 |  |  | — |
Trading Securities |  | 10,892 |  |  | 10,636 |  |  | 256 |  |  | — |
Derivative Liabilities |  | 49,703 |  |  | — |  |  | 49,703 |  |  | — |
Schedule of changes in accumulated other comprehensive items, net | The changes in accumulated other comprehensive items, net for the three and nine months ended September 30, 2021 and 2020 are as follows:
| THREE MONTHS ENDED SEPTEMBER 30, 2021 |  | NINE MONTHS ENDED SEPTEMBER 30, 2021
| FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS |  | CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS |  | TOTAL |  | FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS |  | CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS |  | TOTAL
Beginning of Period | $ | (229,790) |  |  | $ | (28,863) |  |  | $ | (258,653) |  |  | $ | (206,190) |  |  | $ | (49,703) |  |  | $ | (255,893) |
Other comprehensive (loss) income): |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation and other adjustments | (90,465) |  |  | — |  |  | (90,465) |  |  | (114,065) |  |  | — |  |  | (114,065) |
Change in fair value of derivative instruments | — |  |  | 14,665 |  |  | 14,665 |  |  | — |  |  | 35,505 |  |  | 35,505 |
Total other comprehensive (loss) income | (90,465) |  |  | 14,665 |  |  | (75,800) |  |  | (114,065) |  |  | 35,505 |  |  | (78,560) |
End of Period | $ | (320,255) |  |  | $ | (14,198) |  |  | $ | (334,453) |  |  | $ | (320,255) |  |  | $ | (14,198) |  |  | $ | (334,453) |
| THREE MONTHS ENDED SEPTEMBER 30, 2020 |  | NINE MONTHS ENDED SEPTEMBER 30, 2020
| FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS |  | CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS |  | TOTAL |  | FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS |  | CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS |  | TOTAL
Beginning of Period | $ | (406,444) |  |  | $ | (21,079) |  |  | $ | (427,523) |  |  | $ | (252,825) |  |  | $ | (9,756) |  |  | $ | (262,581) |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation and other adjustments | 44,529 |  |  | — |  |  | 44,529 |  |  | (109,090) |  |  | — |  |  | (109,090) |
Change in fair value of derivative instruments | — |  |  | (184) |  |  | (184) |  |  | — |  |  | (11,507) |  |  | (11,507) |
Total other comprehensive income (loss) | 44,529 |  |  | (184) |  |  | 44,345 |  |  | (109,090) |  |  | (11,507) |  |  | (120,597) |
End of Period | $ | (361,915) |  |  | $ | (21,263) |  |  | $ | (383,178) |  |  | $ | (361,915) |  |  | $ | (21,263) |  |  | $ | (383,178) |
Schedule of cost and accumulated amortization associated with contract fulfillment costs | The costs associated with the initial movement of customer records into physical storage and certain commissions are considered costs to obtain or fulfill customer contracts (collectively, “Contract Fulfillment Costs”). Contract Fulfillment Costs as of September 30, 2021 and December 31, 2020 are as follows:
|  | SEPTEMBER 30, 2021 |  | DECEMBER 31, 2020
|  | GROSS CARRYING AMOUNT |  | ACCUMULATED AMORTIZATION |  | NET CARRYING AMOUNT |  | GROSS CARRYING AMOUNT |  | ACCUMULATED AMORTIZATION |  | NET CARRYING AMOUNT
Intake Costs asset |  | $ | 71,540 |  |  | $ | (41,246) |  |  | $ | 30,294 |  |  | $ | 63,721 |  |  | $ | (33,352) |  |  | $ | 30,369 |
Commissions asset |  | 107,298 |  |  | (48,708) |  |  | 58,590 |  |  | 91,069 |  |  | (38,787) |  |  | 52,282 |
Schedule of deferred revenue liabilities | Deferred revenue liabilities are reflected in our Condensed Consolidated Balance Sheets as follows:
DESCRIPTION |  | LOCATION IN BALANCE SHEET |  | SEPTEMBER 30, 2021 |  | DECEMBER 31, 2020
Deferred revenue - Current |  | Deferred revenue |  | $ | 257,593 |  |  | $ | 295,785 |
Deferred revenue - Long-term |  | Other Long-term Liabilities |  | 34,342 |  |  | 35,612 |
Schedule of revenue | Our Global Data Center Business features storage rental provided to customers at contractually specified rates over a fixed contractual period, which are accounted for in accordance with Accounting Standards Update ("ASU") No. 2016-02, Leases (Topic 842), as amended. Storage rental revenue, including revenue associated with power and connectivity, associated with our Global Data Center Business for the three and nine months ended September 30, 2021 and 2020 are as follows:
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Storage rental revenue(1) | $ | 72,411 |  |  | $ | 68,416 |  |  | $ | 210,805 |  |  | $ | 196,823 |
(1)Revenue associated with power and connectivity included within storage rental revenue was $14,639 and $42,333 for the three and nine months ended September 30, 2021, respectively, and $12,033 and $34,986 for the three and nine months ended September 30, 2020, respectively.
Schedule of stock-based compensation expense | Stock-based compensation expense for the cost of stock options, restricted stock units (“RSUs”), performance units (“PUs”) and shares of stock issued under our employee stock purchase plan (collectively, “Employee Stock-Based Awards”) for the three and nine months ended September 30, 2021 and 2020 is as follows:
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Stock-based compensation expense | $ | 13,200 |  |  | $ | 8,946 |  |  | $ | 46,852 |  |  | $ | 35,618 |
Schedule of vested and expected to vest | The fair value of RSUs and earned PUs that vested during the three and nine months ended September 30, 2021 and 2020 is as follows:
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Fair value of RSUs vested | $ | 8,425 |  |  | $ | 2,766 |  |  | $ | 31,404 |  |  | $ | 24,411 |
Fair value of earned PUs that vested | 22,030 |  |  | 1,370 |  |  | 27,856 |  |  | 12,421 |
Schedule of components of gain/loss on sale/disposal of property, plant and equipment |
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020(1) |  | 2021(2) |  | 2020(1)
(Gain) Loss on disposal/write-down of property, plant and equipment, net (3) | $ | (935) |  |  | $ | (75,840) |  |  | $ | (134,321) |  |  | $ | (78,170) |
(1) The gains for both the three and nine months ended September 30, 2020 primarily consisted of gains of approximately $76,400 associated with the sale-leaseback transactions of two facilities in the United States. (2) The gains for the nine months ended September 30, 2021 primarily consisted of gains of approximately $127,400 associated with the sale-leaseback transactions of five facilities in the United Kingdom, which occurred during the second quarter of 2021. (3) The gains recognized during both 2021 and 2020 are a result of our program to monetize a small portion of our industrial assets. The terms for these leases are consistent with the terms of our lease portfolio, which are disclosed in detail in Note 2.i. to Notes to Consolidated Financial Statements included in our Annual Report
Schedule of other (income) expense, net | Consolidated other (income) expense, net for the three and nine months ended September 30, 2021 and 2020 consists of the following:
|  | THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
DESCRIPTION |  | 2021 |  | 2020 |  | 2021 |  | 2020
Foreign currency transaction (gains) losses, net |  | $ | (23,200) |  |  | $ | 29,635 |  |  | $ | (16,157) |  |  | $ | (6,293) |
Debt extinguishment expense |  | — |  |  | 51,260 |  |  | — |  |  | 68,300 |
Other, net(1) |  | 4,699 |  |  | 2,570 |  |  | (183,861) |  |  | 4,432 |
Other (Income) Expense, Net |  | $ | (18,501) |  |  | $ | 83,465 |  |  | $ | (200,018) |  |  | $ | 66,439 |
(1)Other, net for the nine months ended September 30, 2021 is primarily comprised of (a) a gain of approximately $180,600 associated with our IPM Divestment and (b) a gain of approximately $20,300 associated with the loss of control and related deconsolidation, as of May 18, 2021, of one of our wholly owned Netherlands subsidiaries, for which we had value-added tax liability exposure that was recorded in 2019.
Schedule of income taxes | Our effective tax rates for the three and nine months ended September 30, 2021 and 2020 are as follows:
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Effective Tax Rate(1) | 29.1 | % |  | 26.5 | % |  | 28.1 | % |  | 25.7 | %
(1)The primary reconciling items between the federal statutory tax rate of 21.0% and our overall effective tax rate for the three and nine months ended September 30, 2021 and 2020 were the impacts of differences in the tax rates at which our foreign earnings are subject, partially offset by the benefits derived from the dividends paid deduction. The costs associated with Project Summit (as defined in Note 11) are more heavily weighted to our United States qualified REIT subsidiaries ("QRSs"), and, therefore, provide no tax benefit. Additionally, the nine months ended September 30, 2021, reflects a discrete tax expense of approximately $12,000 primarily resulting from a tax law change in the United Kingdom.
Schedule of calculation of basic and diluted net income (loss) per share attributable to the entity | The calculation of basic and diluted income (loss) per share for the three and nine months ended September 30, 2021 and 2020 are as follows:
| THREE MONTHS ENDED SEPTEMBER 30, |  | NINE MONTHS ENDED SEPTEMBER 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Net Income (Loss) | $ | 68,111 |  |  | $ | 38,562 |  |  | $ | 391,264 |  |  | $ | 96,341 |
Less: Net Income (Loss) Attributable to Noncontrolling Interests | 428 |  |  | 168 |  |  | 2,693 |  |  | 1,058 |
Net Income (Loss) Attributable to Iron Mountain Incorporated (utilized in numerator of Earnings Per Share calculation) | $ | 67,683 |  |  | $ | 38,394 |  |  | $ | 388,571 |  |  | $ | 95,283 |
Weighted-average shares—basic | 289,762,000 |  |  | 288,403,000 |  |  | 289,255,000 |  |  | 288,105,000 |
Effect of dilutive potential stock options | 869,600 |  |  | 14,758 |  |  | 522,642 |  |  | 28,723 |
Effect of dilutive potential RSUs and PUs | 850,655 |  |  | 392,943 |  |  | 918,954 |  |  | 337,588 |
Weighted-average shares—diluted | 291,482,255 |  |  | 288,810,701 |  |  | 290,696,596 |  |  | 288,471,311 |
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated: |  |  |  |  |  |  |
Basic | $ | 0.23 |  |  | $ | 0.13 |  |  | $ | 1.34 |  |  | $ | 0.33 |
Diluted | $ | 0.23 |  |  | $ | 0.13 |  |  | $ | 1.34 |  |  | $ | 0.33 |
Antidilutive stock options, RSUs and PUs, excluded from the calculation | 351,673 |  |  | 5,529,126 |  |  | 1,813,880 |  |  | 5,959,693 |

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