Stock Based Compensation - Summary of Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Number of Shares
Number of shares, beginning balance	99,775
Number of shares, forfeited or expired	0
Number of shares, ending balance	99,775	99,775
Weighted Average Exercise Price
Weighted average exercise price, beginning balance (in dollars per share)	$ 54.15
Weighted average exercise price, forfeited or expired (in dollars per share)	0.00
Weighted average exercise price, ending balance (in dollars per share)	$ 54.15	$ 54.15
Additional Disclosures
Number of shares, vested or expected to vest	99,775
Number of shares, exercisable	99,775
Weighted average exercise price, vested or expected to vest (in dollars per share)	$ 54.15
Weighted average exercise price, exercisable (in dollars per share)	$ 54.15
Weighted average remaining contractual life (years)	10 months 24 days	1 year 10 months 24 days
Weighted average remaining contractual life (years), vested or expected to vest	10 months 24 days
Weighted average remaining contractual life (years), exercisable	10 months 24 days