Under the Parent Company's ATM equity offering program, the Parent Company may sell up to $500 million of common stock at prices determined by the market at the time of sale. During September 2019, the Company entered into forward sale agreements under its ATM program through which the Company will issue 1,894,845 shares of its common stock at an average offering price of $67.99. The shares under the forward sales agreements may be settled at any time before the settlement date, which is September 12, 2020. No shares have been settled at September 30, 2019. Proceeds from the issuance of shares are expected to be used to fund acquisitions of operating properties, to fund developments and redevelopments, and for general corporate purposes. There were no shares issued under the ATM equity program during the nine months ended September 30, 2018. As of September 30, 2019, $500.0 million of common stock remained available for issuance under this ATM equity program, before settlement of the forward shares described above.

On February 5, 2019, the Company's Board authorized a common share repurchase program under which the Company may purchase, from time to time, up to a maximum of $250 million of shares of its outstanding common stock through open market purchases and/or in privately negotiated transactions. Any shares purchased will be retired. The program is set to expire on February 4, 2020. The timing and actual number of shares purchased under the program depend upon marketplace conditions and other factors. The program remains subject to the discretion of the Board. Through September 30, 2019, no shares have been repurchased under this program.

The Company settled, in January 2019, 563,229 shares, which were repurchased in December 2018 under a previously active repurchase program, for $32.8 million at an average price of $58.17 per share. The program closed in February 2019.

Common units of the operating partnership are issued or redeemed and retired for each of the shares of Parent Company common stock issued or repurchased and retired, as described above.

In September 2019, the Operating Partnership issued 396,531 exchangeable operating partnership units, valued at $25.9 million, as partial purchase price consideration for the acquisition of an operating shopping center.

	Controlling Interests									Noncontrolling Interests			Total
(in thousands)	Cash Flow Hedges			Unrealized gain (loss) on Available-For-Sale Debt Securities			AOCI			Cash Flow Hedges			AOCI
Balance as of December 31, 2018	$	(805	)		(122	)		(927	)		189			(738	)
Other comprehensive loss before reclassifications		(17,448	)		429			(17,019	)		(1,119	)		(18,138	)
Amounts reclassified from AOCI ⁽¹⁾		2,142			—			2,142			(57	)		2,085
Current period other comprehensive loss, net		(15,306	)		429			(14,877	)		(1,176	)		(16,053	)
Balance as of September 30, 2019	$	(16,111	)		307			(15,804	)		(987	)		(16,791	)

⁽¹⁾ Amounts reclassified from AOCI into income are presented within Interest expense, net in the Consolidated Statements of Operations.

	Controlling Interests									Noncontrolling Interests			Total
(in thousands)	Cash Flow Hedges			Unrealized gain (loss) on Available-For-Sale Debt Securities			AOCI			Cash Flow Hedges			AOCI
Balance as of December 31, 2017	$	(6,262	)		(27	)		(6,289	)		(112	)		(6,401	)
Opening adjustment due to change in accounting policy ⁽²⁾		12			—			12			2			14
Adjusted balance as of January 1, 2018		(6,250	)		(27	)		(6,277	)		(110	)		(6,387	)
Other comprehensive income before reclassifications		15,731			(51	)		15,680			780			16,460
Amounts reclassified from AOCI ⁽¹⁾		4,663			—			4,663			38			4,701
Current period other comprehensive income, net		20,394			(51	)		20,343			818			21,161
Balance as of September 30, 2018	$	14,144			(78	)		14,066			708			14,774

⁽¹⁾ Amounts reclassified from AOCI into income are presented within Interest expense, net in the Consolidated Statement of Operations.

⁽²⁾ Upon adoption of ASU 2017-12, the Company recognized the immaterial adjustment to opening retained earnings and AOCI for previously recognized hedge ineffectiveness from off-market hedges, as further discussed in note 1.