DERIVATIVE INSTRUMENTS

On September 15, 2015, we entered into two interest rate swap arrangements with a total notional amount of $150.0 million to swap the floating interest rate under the $150.0 million 2015 Term Loan (see note 4) to an all-in fixed interest rate of 2.72% starting on October 15, 2015 and extending until the maturity of the 2015 Term Loan on March 15, 2021.

On July 22, 2016, we entered into two forward interest rate swap arrangements with a total notional amount of $150.0 million to swap the floating interest rate under the $150.0 million 2016 Term Loan (see note 4) to an all-in fixed interest rate of 2.86% starting on March 31, 2017 and extending until the maturity of the 2016 Term Loan on July 21, 2023.

On March 29, 2018, we entered into the $250.0 million 2018 Term Loan (see note 4) maturing on July 21, 2023, which increased and replaced the 2016 Term Loan. The interest rate swap arrangements that had effectively fixed the 2016 Term Loan now effectively fix the interest rate on a $150.0 million portion of the 2018 Term Loan at 2.31%. On March 29, 2018, we entered into four interest rate swap arrangements with a total notional amount of $100.0 million to effectively fix the interest rate on the remaining $100.0 million of the 2018 Term Loan at 3.71%, that commenced on June 29, 2018 and extending until the maturity of the 2018 Term Loan on July 21, 2023. The $250.0 million 2018 Term Loan has an all-in fixed interest rate of 2.87% .

The interest rate swaps qualify as cash flow hedges and are recorded at fair value in accordance with GAAP, based on discounted cash flow methodologies and observable inputs. We record the total change in fair value of the interest rate swap arrangements associated with our cash flow hedges in other comprehensive (loss) income. The resulting unrealized (loss) gain of the cash flow hedges was the only activity in other comprehensive (loss) income during the periods presented in our consolidated financial statements. We assess the effectiveness of our cash flow hedges both at inception and on an ongoing basis. The cash flow hedges were effective for all periods presented.

The fair values of the interest rate swaps as of March 31, 2019 and December 31, 2018, are as follows (in thousands):



					Fair Value
					Derivative Assets (Liabilities)
Derivative Instrument	Aggregate Notional Amount		Effective Date	Maturity Date	March 31, 2019			December 31, 2018
Interest rate swaps	$	150,000	October 15, 2015	March 15, 2021	$	1,779		$	2,720
Interest rate swaps	150,000		March 31, 2017	July 21, 2023	5,808			7,918
Interest rate swaps	100,000		June 29, 2018	July 21, 2023	(1,917		)	(799		)
	$	400,000			$	5,670		$	9,839

We record interest rate swaps on our consolidated balance sheets within prepaid expenses and other assets when in a net asset position and within accounts payable and other liabilities when in a net liability position. The interest rate swaps have been effective since inception. The net gains or losses on the effective swaps are recognized in other comprehensive (loss) income, as follows (in thousands):



	Three Months Ended March 31,
	2019			2018
Unrealized (loss) gain on interest rate hedges	$	(4,169	)	$	4,065

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on our variable-rate debt. During the next twelve months, we estimate that an additional $2.7 million will be reclassified as a decrease to interest expense.

We have agreements with each of our derivative counterparties that contain a provision whereby we could be declared in default on our derivative obligations if repayment of the underlying indebtedness is accelerated by the lender due to our default on the indebtedness. As of March 31, 2019, the fair value of derivative assets, including accrued interest, was $7.6 million, and the fair value of the derivative liabilities, including accrued interest, was $1.9 million. As of March 31, 2019, we have not posted any collateral related to these agreements.

Derivative instruments expose us to credit risk in the event of non-performance by the counterparty under the terms of the interest rate hedge agreement. We believe that we minimize our credit risk on these transactions by dealing with major, creditworthy financial institutions. We monitor the credit ratings of counterparties and our exposure to any single entity, thus minimizing our credit risk concentration.