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Accumulated Other Comprehensive Income ("AOCI")
 6 Months Ended
Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated other comprehensive income ("AOCI")
Accumulated Other Comprehensive Income ("AOCI")
The following tables set forth the changes in accumulated other comprehensive income by component.
(Amounts in thousands)
Total
 
Marketable securities
 
Pro rata share of
nonconsolidated
subsidiaries' OCI
 
Interest
rate
swaps
 
Other
For the Three Months Ended June 30, 2018
 
 
 
 
 
 
 
 
 
Balance as of March 31, 2018
$
30,258

 
$
—

 
$
2,444

 
$
36,651

 
$
(8,837
)
Net current period OCI:
 
 
 
 
 
 
 
 
 
OCI before reclassifications
3,093

 
—

 
390

 
2,908

 
(205
)
Amounts reclassified from AOCI
—

 
—

 
—

 
—

 
—

 
3,093

 
—

 
390

 
2,908

 
(205
)
Balance as of June 30, 2018
$
33,351

 
$
—

 
$
2,834

 
$
39,559

 
$
(9,042
)
 
 
 
 
 
 
 
 
 
 
For the Three Months Ended June 30, 2017
 
 
 
 
 
 
 
 
 
Balance as of March 31, 2017
$
119,019

 
$
115,496

 
$
(2,841
)
 
$
13,908

 
$
(7,544
)
Net current period OCI:
 
 
 
 
 
 
 
 
 
OCI before reclassifications
(3,180
)
 
(1,206
)
 
(980
)
 
(1,206
)
 
212

Amounts reclassified from AOCI
—

 
—

 
—

 
—

 
—

 
(3,180
)
 
(1,206
)
 
(980
)
 
(1,206
)
 
212

Balance as of June 30, 2017
$
115,839

 
$
114,290

 
$
(3,821
)
 
$
12,702

 
$
(7,332
)
 
 
 
 
 
 
 
 
 
 
For the Six Months Ended June 30, 2018
 
 
 
 
 
 
 
 
 
Balance as of December 31, 2017
$
128,682

 
$
109,554

 
$
3,769

 
$
23,542

 
$
(8,183
)
 
 
 
 
 
 
 
 
 
 
Cumulative effect of accounting change (see Note 3)
(108,374
)
 
(109,554
)
 
(1,671
)
 
2,851

 
—

Net current period OCI:
 
 
 
 
 
 
 
 
 
OCI before reclassifications
13,043

 
—

 
736

 
13,166

 
(859
)
Amounts reclassified from AOCI
—

 
—

 
—

 
—

 
—

 
13,043

 
—

 
736

 
13,166

 
(859
)
Balance as of June 30, 2018
$
33,351

 
$
—

 
$
2,834

 
$
39,559

 
$
(9,042
)
 
 
 
 
 
 
 
 
 
 
For the Six Months Ended June 30, 2017
 
 
 
 
 
 
 
 
 
Balance as of December 31, 2016
$
118,972

 
$
130,505

 
$
(12,058
)
 
$
8,066

 
$
(7,541
)
Net current period OCI:
 
 
 
 
 
 
 
 
 
OCI before reclassifications
(12,401
)
 
(16,215
)
 
(1,031
)
 
4,636

 
209

Amounts reclassified from AOCI
9,268

 
—

 
9,268

(1) 
—

 
—

 
(3,133
)
 
(16,215
)
 
8,237

 
4,636

 
209

Balance as of June 30, 2017
$
115,839

 
$
114,290

 
$
(3,821
)
 
$
12,702

 
$
(7,332
)
____________________
(1)
Reclassified upon receipt of proceeds related to the sale of an investment by a nonconsolidated subsidiary.