Employee Benefit Plans - Weighted Average Assumptions on Option Pricing (Details) - $ / shares		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Performance Stock Options [Member]
Employee benefit plans [Line Items]
Dividend yield (as a percent)	[1]			2.07%
Expected volatility (as a percent)	[1]			53.50%
Risk free interest rate (as a percent)	[1]			1.36%
Expected life (in years)	[1]			6 years 3 months 18 days
Forfeiture rate (as a percent)	[1]			4.50%
Weighted average grant date fair value (in dollars per share)	[1]			$ 8.17
Options granted (in shares)		0	0
Stock Options [Member]
Employee benefit plans [Line Items]
Dividend yield (as a percent)	[2]		2.03%	2.07%
Expected volatility (as a percent)	[2]		53.24%	53.41%
Risk free interest rate (as a percent)	[2]		2.21%	1.35%
Expected life (in years)	[2]		6 years 7 months 6 days	6 years 7 months 6 days
Forfeiture rate (as a percent)	[2]		3.50%	4.50%
Weighted average grant date fair value (in dollars per share)	[2]		$ 10.35	$ 8.94
Options granted (in shares)		0

[1] options were granted in neither 2015 nor 2014.

[2] options were granted in 2015.