108 / sl green realty corp .
2017 annual report espp provides for eligible employees to purchase the common stock at a purchase price equal to 85% ( 85 % ) of the lesser of ( 1 ) a0the market value of the common stock on the first day of the offer- ing period or ( 2 ) a0the market value of the common stock on the last day of the offering period .
the espp was approved by our stockholders at our 2008 annual meeting of stockholders .
as of december a031 , 2017 , 104597 a0shares of our common stock had been issued under the espp .
available for issuance , subject to adjustment upon a merger , reorganization , stock split or other similar corporate change .
the company filed a registration statement on form a0s-8 with the sec with respect to the espp .
the common stock is offered for purchase through a series of successive offering periods .
each offering period will be three months in duration and will begin on the first day of each calendar quarter , with the first a0offering period having commenced on january a01 , 2008 .
the 15 .
accumulated other comprehensive income the following tables set forth the changes in accumulated other comprehensive income ( loss ) by component as of december a031 , 2017 , 2016 and 2015 ( in thousands ) : sl a0green 2019s share net unrealized of joint venture net unrealized gain on net unrealized gain on derivative gain on derivative marketable instruments ( 1 ) instruments ( 2 ) securities total .

Net unrealized gain on derivative instruments<sup>(</sup><sup>1</sup><sup>)</sup>
SL Green’s share of joint venture net unrealized gain on derivative instruments<sup>(</sup><sup>2</sup><sup>)</sup>
Net unrealized gain on marketable securities
Total
Balance at December 31, 2014
$(9,498)
$(95)
$2,613
$(6,980)
Other comprehensive loss before reclassifications
(11,143)
(1,714)
(610)
(13,467)
Amounts reclassified from accumulated other comprehensive income
10,481
1,217
—
11,698
Balance at December 31, 2015
(10,160)
(592)
2,003
(8,749)
Other comprehensive income before reclassifications
13,534
1,160
3,517
18,211
Amounts reclassified from accumulated other comprehensive income
9,222
3,453
—
12,675
Balance at December 31, 2016
12,596
4,021
5,520
22,137
Other comprehensive (loss) income before reclassifications
(1,618)
233
(1,348)
(2,733)
Amounts reclassified from accumulated other comprehensive income
1,564
766
(3,130)
(800)
Balance at December 31, 2017
$12,542
$5,020
$1,042
$18,604

( 1 ) amount reclassified from accumulated other comprehensive income ( loss ) is included in interest expense in the respective consolidated statements of operations .
as of december a031 , 2017 and 2016 , the deferred net losses from these terminated hedges , which is included in accumulated other comprehensive loss relating to net unrealized loss on derivative instrument , was $ 3.2 a0million and $ 7.1 a0million , respectively .
( 2 ) amount reclassified from accumulated other comprehensive income ( loss ) is included in equity in net income from unconsolidated joint ventures in the respective consolidated statements of operations .
16 .
fair value measurements we are required to disclose fair value information with regard to our financial instruments , whether or not recognized in the consolidated balance sheets , for which it is practical to estimate fair value .
the fasb guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants on the measurement date .
we measure and/or disclose the estimated fair value of financial assets and liabilities based on a hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity and the reporting entity 2019s own assumptions about market participant assumptions .
this hierarchy consists of three broad levels : level a01 2014 quoted prices ( unadjusted ) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date ; level a02 2014 inputs other than quoted prices included within level a01 , that are observable for the asset or liability , either directly or indirectly ; and level a03 2014 unobservable inputs for the asset or liability that are used when little or no market data is available .
we follow this hierarchy for our assets and liabilities measured at fair value on a recurring and nonrecurring basis .
in instances in which the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy , the level in the fair value hierarchy within which the entire fair value measure- ment falls is based on the lowest level of input that is significant to the fair value measurement in its entirety .
our assessment of the significance of the particular input to the fair value mea- surement in its entirety requires judgment and considers factors specific to the asset or liability. .

Question: Analyse this data from a financial earnings document. what was the net three year change in the aoci balance for all derivatives and marketable securities?
Choices:
-25584000000
11624
-25584.0
0
-19522
Correct choice index: 2