Stock-based Compensation (Narrative) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Apr. 30, 2008	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Apr. 30, 2011	Apr. 01, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized	1,000,000
Shares reserved and available for future grants		269,270
Stock options granted (in shares)		3,300,000	0	5,507
Exercise price		$ 33.77
Equity instruments other than options granted (in shares)		411,037
Grants in period, weighted average grant date fair value (in dollars per share)		$ 5.00
Canceled / forfeited (in shares)		73,251
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Limitation on the strike price	100.00%	85.00%
Stock option expiration period (in years)		10 years
Stock options granted (in shares)		3,300,000
Grants in period, weighted average grant date fair value (in dollars per share)		$ 1.63
Exercise price		$ 4.79
Stock option expense		$ 1,000,000
Dividend yield		0.00%
Expected volatility		36.59%
Risk-free rate		1.28%
Expected option life		5 years
Unrecognized share-based compensation awards other than options		$ 4,400,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options granted (in shares)		411,037
Grants in period, weighted average grant date fair value (in dollars per share)		$ 5.00
Unrecognized share-based compensation awards other than options		$ 3,700,000
Period for recognition of expense		5 years
Share-based compensation expense		$ 1,500,000	$ 1,200,000	$ 800,000
Restricted Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants scheduled vesting period		3 years
Restricted Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants scheduled vesting period		5 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options granted (in shares)		0	0	4,498
Unrecognized share-based compensation awards other than options		$ 0	$ 0	$ 0
Canceled / forfeited (in shares)		0	0	0
Outstanding fully vested RSUs (in shares)		0	16,067	16,067
Outstanding weighted average grant date fair value (in dollars per share)			$ 9.22	$ 9.22
Before Amendment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized						1,000,000
After Amendment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					6,000,000