Share Based Compensation - Summary of Activity (Details)	12 Months Ended
	Dec. 31, 2016 $ / shares shares
Shares
Outstanding at beginning of the period (in shares) | shares	3,156
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited (in shares) | shares	(2,824)
Outstanding at end of period (in shares) | shares	332
Vested or expected to vest (in shares) | shares	332
Options exercisable at period end (in shares) | shares	332
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 338.72
Granted (in dollars per share) | $ / shares	0.00
Exercised (in dollars per share) | $ / shares	0.00
Forfeited (in dollars per share) | $ / shares	310.57
Outstanding at end of period (in dollars per share) | $ / shares	578.10
Vested or expected to vest (in dollars per share) | $ / shares	578.10
Options exercisable at period end (in dollars per share) | $ / shares	$ 578.10
Weighted-Average Remaining Contractual Life
Outstanding at end of period	3 months 24 days
Vested or expected to vest	3 months 24 days
Options exercisable at period end	3 months 24 days