Equity-Based Compensation (Summary of Stock Option Transactions) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Options (in shares):
Beginning balance (in shares)	159,759	247,666	277,224
Granted (in shares)			25,000
Exercised (in shares)	(42,350)		(42,058)
Forfeited (in shares)		(87,907)	(12,500)
Ending balance (in shares)	117,409	159,759	247,666
Weighted Average Exercise Price (in dollars per share)
Begininng balance (in dollars per share)	$ 17.70	$ 17.01	$ 14.95
Granted (in dollars per share)			42.35
Exercised (in dollars per share)	11.57		16.02
Forfeited (in dollars per share)		15.75	25.44
Ending balance (in dollars per share)	$ 19.91	$ 17.70	$ 17.01
Weighted Average Remaining Contractual Life (in years)	3 years 7 months 20 days
Aggregate Intrinsic Value	$ 3,584