Equity-Based Compensation Stock Option Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning of period, outstanding (in shares)	461,346	265,500	0
Granted (in shares)	207,000	225,596	275,500
Exercised (in shares)	(2,875)	(20,750)	0
Canceled or forfeited (in shares)	(5,000)	(9,000)	(10,000)
Expired (in shares)	0	0	0
End of period, outstanding (in shares)	660,471	461,346	265,500
Options exercisable (in shares)	376,472
Beginning of period, outstanding, weighted-average exercise price	$ 13.59	$ 12.89	$ 0.00
Granted weighted-average exercise price	$ 21.03	$ 14.41	$ 12.86
Exercised weighted-average exercise price	$ 13.50	$ 13.53	$ 0.00
Canceled or forfeited weighted-average exercise price	$ 13.18	$ 13.55	$ 12.16
Expired weighted-average exercise price	$ 0.00	$ 0.00	$ 0.00
End of period, outstanding, weighted-average exercise price	$ 15.93	$ 13.59	$ 12.89
Options exercisable weighted-average exercise price	$ 15.10
Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning of period, outstanding (in shares)	2,584,547	3,175,075	3,895,475
Granted (in shares)	0	0	0
Exercised (in shares)	(107,775)	(574,353)	(660,338)
Canceled or forfeited (in shares)	(2,000)	(13,175)	(55,687)
Expired (in shares)	(2,625)	(3,000)	(4,375)
End of period, outstanding (in shares)	2,472,147	2,584,547	3,175,075
Options exercisable (in shares)	2,408,223
Beginning of period, outstanding, weighted-average exercise price	$ 4.68	$ 4.49	$ 4.42
Granted weighted-average exercise price	$ 0	$ 0.00	$ 0.00
Exercised weighted-average exercise price	$ 4.93	$ 3.58	$ 4.01
Canceled or forfeited weighted-average exercise price	$ 5.92	$ 5.42	$ 5.57
Expired weighted-average exercise price	$ 3.45	$ 3.56	$ 3.50
End of period, outstanding, weighted-average exercise price	$ 4.67	$ 4.68	$ 4.49
Options exercisable weighted-average exercise price	$ 4.61