Long-Term Incentive Compensation Plans - Option Plan Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Options to Buy AB Holding Units
Exercised	(541,073)	(1,110,070)
Option Awards [Member]
Options to Buy AB Holding Units
Outstanding as of December 31, 2014	5,942,411
Granted	29,056	25,106	37,690
Exercised	(541,073)
Forfeited	(23,121)
Expired	(8,802)
Outstanding as of December 31, 2015	5,398,471	5,942,411
Exercisable as of December 31, 2015, Options to Buy AB Holding Units	4,736,653
Vested or Expected to Vest as of December 31, 2015, Options to Buy AB Holding Units	5,398,471
Weighted Average Exercise Price Per Option
Outstanding as of December 31, 2014, Weighted Average Exercise Price Per Option	$ 45.03
Granted, Weighted Average Exercise Price Per Option	31.74
Exercised, Weighted Average Exercise Price Per Option	17.06
Forfeited, Weighted Average Exercise Price Per Option	83.95
Expired, Weighted Average Exercise Price Per Option	45.45
Outstanding as of December 31, 2015, Weighted Average Exercise Price Per Option	47.59	$ 45.03
Exercisable as of December 31, 2015, Weighted Average Exercise Price Per Option	43.04
Vested or Expected to Vest as of December 31, 2015, Weighted Average Exercise Price Per Option	$ 47.59
Weighted Average Remaining Contractual Term (Years)
Outstanding, Weighted Average Remaining Contractual Term	2 years 10 months 24 days	3 years 10 months 24 days
Exercisable as of December 31, 2015, Weighted Average Remaining Contractual Term	2 years 10 months 24 days
Vested and Expected to Vest as of December 31, 2015, Weighted Average Remaining Contractual Term	2 years 10 months 24 days
Outstanding as of December 31, 2015, Aggregate Intrinsic Value	$ 0
Exercisable as of December 31, 2015, Aggregate Intrinsic Value	0
Vested or Expected to Vest as of December 31, 2015, Aggregate Intrinsic Value	$ 0