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Derivative Instruments
3 Months Ended
Mar. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivatives Instruments
7. Derivative Instruments
We use derivative instruments to manage our variable interest rate risk. In March 2014, we entered into an interest rate swap agreement (the "March 2014 Swap Agreement"), which effectively converts portions of our variable rate debt under our existing credit facility (the "2014 Credit Facility") to a fixed rate for the term of the swap agreement. The initial notional value of the March 2014 Swap Agreement was $125.0 million with an effective date beginning in March 2014. In March 2017, the notional value of the March 2014 Swap Agreement decreased to $75.0 million for the remaining term through February 2018. We designated the March 2014 Swap Agreement as a cash flow hedge at the inception of the contract.
In October 2015, we entered into an additional interest rate swap agreement (the "October 2015 Swap Agreement"), which effectively converts portions of our variable rate debt under the 2014 Credit Facility to a fixed rate for the term of the October 2015 Swap Agreement. The notional value of the October 2015 Swap Agreement was $75.0 million with an effective date beginning in October 2015 and maturing in February 2018. We designated the October 2015 Swap Agreement as a cash flow hedge at the inception of the contract.
The fair values of our derivative instruments were as follows as of:
(dollars in thousands)
Balance sheet location
March 31,
2017

December 31,
2016

Derivative instruments designated as hedging instruments:
 
 
 
Interest rate swap, current portion
Prepaid expenses and other current assets
$
343

$

Interest rate swap, long-term portion
Other assets
$

$
206

Total derivative instruments designated as hedging instruments
 
$
343

$
206

 

March 31,
2017

December 31,
2016

Derivative instruments designated as hedging instruments:
 
 
 
Interest rate swaps, long-term portion
Other liabilities

163

Total derivative instruments designated as hedging instruments
 
$

$
163


The effects of derivative instruments in cash flow hedging relationships were as follows:
 
Gain (loss) recognized
in accumulated other
comprehensive
loss as of

Location
of gain (loss)
reclassified from
accumulated other
comprehensive
loss into income
Gain (loss) reclassified from accumulated
 other comprehensive loss into income

(dollars in thousands)
March 31,
2017

Three months ended   March 31, 2017

Interest rate swaps
$
343

Interest expense
$
(119
)
 
 
 
 
 
March 31,
2016

 
Three months ended   March 31, 2016

Interest rate swaps
$
(1,135
)
Interest expense
$
(308
)

Our policy requires that derivatives used for hedging purposes be designated and effective as a hedge of the identified risk exposure at the inception of the contract. Accumulated other comprehensive income (loss) includes unrealized gains or losses from the change in fair value measurement of our derivative instruments each reporting period and the related income tax expense or benefit. Changes in the fair value measurements of the derivative instruments and the related income tax expense or benefit are reflected as adjustments to accumulated other comprehensive income (loss) until the actual hedged expense is incurred or until the hedge is terminated at which point the unrealized gain (loss) is reclassified from accumulated other comprehensive income (loss) to current earnings. The estimated accumulated other comprehensive income as of March 31, 2017 that is expected to be reclassified into earnings within the next twelve months is insignificant. There were no ineffective portions of our interest rate swap derivatives during the three months ended March 31, 2017 and 2016. See Note 11 to these consolidated financial statements for a summary of the changes in accumulated other comprehensive income (loss) by component.