Equity-Based Compensation (Summary of Compensation Expense Connection with Awards) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation [Abstract]
Expense recognized under the Prior Plan	$ 1,937	$ 1,953	$ 3,150
Expense recognized under the Plan	3,993	1,938	0
Expense recognized under the Non-Employee Directors Plan	443	0	0
Total stock compensation expense	6,373	3,891	3,150
Tax benefits recognized related to stock compensation expense	$ 2,485	$ 1,518	$ 1,229