Employee Compensation Plans - Schedule of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding at beginning of period (in shares)	45,549	72,573
Options granted (in shares)	4,177	2,976
Options exercised (in shares)	0	(15,000)
Options forfeited or expired (in shares)	(37,699)	(15,000)
Options outstanding at end of period (in shares)	12,027	45,549
Weighted Average Exercise Price
Options outstanding at beginning of period, weighted average exercise price (in dollars per share)	$ 25.50	$ 24.46
Options granted, weighted average exercise price (in dollars per share)	19.76	23.49
Options exercised, weighted average exercise price (in dollars per share)	0.00	12.33
Options forfeited or expired, weighted average exercise price (in dollars per share)	26.12	33.22
Options outstanding at end of period, weighted average exercise price (in dollars per share)	$ 21.57	$ 25.50
Options vested at end of year (in shares)	3,366	30,513
Options vested at end of year, weighted average exercise price (in dollars per share)	$ 23.56	$ 25.99
Weighted average fair value of options granted during the year (in dollars per share)	$ 7.87	$ 9.94