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FAIR VALUE MEASUREMENTS
9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS
FAIR VALUE MEASUREMENTS
 
We account for certain assets and liabilities at fair value. The hierarchy below lists three levels of fair value based on the extent to which inputs used in measuring fair value are observable in the market. We categorize each of our fair value measurements in one of these three levels based on the lowest level input that is significant to the fair value measurement in its entirety. These levels are:
 
•
Level 1: Quoted prices in active markets for identical assets or liabilities;
•
Level 2: Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
•
Level 3: Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Assets and liabilities measured at fair value on a recurring basis are summarized as follows (in thousands):
 
 
 
Level 1
 
Level 2
 
Level 3
 
Total
September 30, 2017
 
 

 
 

 
 

 
 

Foreign currency contracts (note 8)
 
$
—

 
$
—

 
$
—

 
$
—

Asset retirement obligations(1)
 
—

 
—

 
3,157

 
3,157

 
 
 
 
 
 
 
 
 
December 31, 2016
 
 

 
 

 
 

 
 

Foreign currency contracts (note 8)
 
—

 
195

 
—

 
195

Asset retirement obligations(1)
 
—

 
—

 
2,810

 
2,810

 
 
 
 
 
 
 
 
 
(1)
We calculate the fair value of asset retirement obligations by discounting the estimated amount using the current Treasury bill rate adjusted for our credit risk. The balance is included in “Other long-term liabilities,” in the accompanying unaudited consolidated balance sheets.

The following table provides a summary of changes in our Level 3 asset retirement obligations for the nine months ended September 30, 2017 (in thousands):
 
Balance, January 1, 2017
$
2,810

Accretion
155

Subsequent revision of estimated obligation
449

Payments
(415
)
Aquisition of Internap Japan
158

Balance, September 30, 2017
$
3,157


 
The fair values of our other Level 3 debt liabilities, estimated using a discounted cash flow analysis based on incremental borrowing rates for similar types of borrowing arrangements, are as follows (in thousands):
 
 
 
September 30, 2017
 
December 31, 2016
 
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Term loan
 
$
299,250

 
$
302,242

 
$
291,000

 
$
267,700

Revolving credit facility
 
—

 
—

 
35,500

 
32,600