Compensation (Tables)
|
12 Months Ended |
Dec. 31, 2015 |
|---|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
| Activity Associated with Limited Partnership Units |
A summary of the activity associated with limited partnership units
is as follows:
|
|
|
|
|
| |
|
Number of
Units |
|
|
Balance at December 31, 2012
|
|
|
68,480,097 |
|
|
Granted
|
|
|
50,908,986 |
|
|
Redeemed/exchanged units
|
|
|
(88,181,354 |
) |
|
Forfeited units
|
|
|
— |
|
|
|
|
|
|
|
Balance at December 31, 2013
|
|
|
31,207,729 |
|
|
Granted
|
|
|
42,416,871 |
|
|
Redeemed/exchanged units
|
|
|
(19,193,901 |
) |
|
Forfeited units
|
|
|
(868,709 |
) |
|
|
|
|
|
|
Balance at December 31, 2014
|
|
|
53,561,990 |
|
|
Granted
|
|
|
38,169,581 |
|
|
Redeemed/exchanged units
|
|
|
(14,166,438 |
) |
|
Forfeited units
|
|
|
(1,163,358 |
) |
|
|
|
|
|
|
Balance at December 31, 2015
|
|
|
76,401,775 |
|
|
|
|
|
|
| Activity Associated with Restricted Stock Units |
A summary of the activity associated with RSUs is as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Restricted
Stock Units |
|
|
Weighted-
Average
Grant
Date Fair
Value |
|
|
Weighted-
Average
Remaining
Contractual
Term (Years) |
|
|
Balance at December 31, 2012
|
|
|
2,608,731 |
|
|
$ |
5.94 |
|
|
|
1.83 |
|
|
Granted
|
|
|
1,543,183 |
|
|
|
3.18 |
|
|
|
|
|
|
Delivered units
|
|
|
(1,038,937 |
) |
|
|
6.09 |
|
|
|
|
|
|
Forfeited units
|
|
|
(288,375 |
) |
|
|
4.56 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2013
|
|
|
2,824,602 |
|
|
$ |
4.51 |
|
|
|
1.79 |
|
|
Granted
|
|
|
995,771 |
|
|
|
5.86 |
|
|
|
|
|
|
Delivered units
|
|
|
(1,288,758 |
) |
|
|
5.11 |
|
|
|
|
|
|
Forfeited units
|
|
|
(390,683 |
) |
|
|
4.94 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2014
|
|
|
2,140,932 |
|
|
$ |
4.70 |
|
|
|
1.74 |
|
|
Granted
|
|
|
691,831 |
|
|
|
8.06 |
|
|
|
|
|
|
Delivered units
|
|
|
(1,045,056 |
) |
|
|
5.00 |
|
|
|
|
|
|
Forfeited units
|
|
|
(165,276 |
) |
|
|
5.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2015
|
|
|
1,622,431 |
|
|
$ |
5.83 |
|
|
|
1.53 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Activity Associated with Stock Options |
A summary of the activity associated with stock options is as
follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Options |
|
|
Weighted-
Average
Exercise Price |
|
|
Weighted-
Average
Remaining
Contractual
Term (Years) |
|
|
Aggregate
Intrinsic Value |
|
|
Balance at December 31, 2012
|
|
|
6,450,931 |
|
|
$ |
14.11 |
|
|
|
2.4 |
|
|
$ |
— |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
Exercised options
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Forfeited options
|
|
|
(1,959,693 |
) |
|
|
20.23 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2013
|
|
|
4,491,238 |
|
|
$ |
11.60 |
|
|
|
2.0 |
|
|
$ |
— |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
Exercised options
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
Forfeited options
|
|
|
(2,307,000 |
) |
|
|
13.50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2014
|
|
|
2,184,238 |
|
|
$ |
9.66 |
|
|
|
2.3 |
|
|
$ |
569,979 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
|
|
|
|
|
|
|
|
Exercised options
|
|
|
(94,000 |
) |
|
|
8.09 |
|
|
|
|
|
|
|
|
|
|
Forfeited options
|
|
|
(11,000 |
) |
|
|
9.03 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31, 2015
|
|
|
2,079,238 |
|
|
$ |
9.73 |
|
|
|
1.4 |
|
|
$ |
1,169,664 |
|
|
Options exercisable at December 31, 2015
|
|
|
2,079,238 |
|
|
$ |
9.73 |
|
|
|
1.4 |
|
|
$ |
1,169,664 |
|
|
| Stock Options Outstanding |
The following table provides further details relating to the
Company’s stock options outstanding at December 31,
2015:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Options Outstanding |
|
|
Options Exercisable |
|
| Range of Exercise Prices |
|
Number
Outstanding
|
|
|
Weighted-Average
Exercise Price
|
|
|
Weighted-Average
Remaining
Contractual
Life (Years)
|
|
|
Number
Exercisable
|
|
|
Weighted-Average
Exercise
Price
|
|
|
$8.42—$9.49
|
|
|
1,065,068 |
|
|
$ |
8.71 |
|
|
|
1.0 |
|
|
|
1,065,068 |
|
|
$ |
8.71 |
|
|
$9.50—$10.82
|
|
|
1,014,170 |
|
|
|
10.81 |
|
|
|
2.0 |
|
|
|
1,014,170 |
|
|
|
10.81 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
|
2,079,238 |
|
|
$ |
9.73 |
|
|
|
1.4 |
|
|
|
2,079,238 |
|
|
$ |
9.73 |
|
|
|
|
|
|
|
|
|
|
|
|
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|
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