Equity-Based Compensation (Summary of Ranges of Outstanding and Exercisable Options) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2016
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding	117,409	247,666	159,759	277,224
Weighted Average Remaining Contractual Life (in years)	3 years 7 months 20 days
Weighted Average Exercise Price	$ 11.57	$ 16.02
Options Exercisable	92,409
$8.90 – $9.50
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 8.90
Exercise Price Range, Upper Range Limit	$ 9.50
Options Outstanding	15,938
Weighted Average Remaining Contractual Life (in years)	8 months 15 days
Weighted Average Exercise Price	$ 8.90
Options Exercisable	15,938
Weighted Average Exercise Price	$ 8.90
$9.51 – $24.00
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	9.51
Exercise Price Range, Upper Range Limit	$ 24.00
Options Outstanding	51,471
Weighted Average Remaining Contractual Life (in years)	1 year 8 months 15 days
Weighted Average Exercise Price	$ 9.74
Options Exercisable	51,471
Weighted Average Exercise Price	$ 9.74
$24.01 – $25.50
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	24.01
Exercise Price Range, Upper Range Limit	$ 25.50
Options Outstanding	25,000
Weighted Average Remaining Contractual Life (in years)	6 years 3 days
Weighted Average Exercise Price	$ 25.44
Options Exercisable	25,000
Weighted Average Exercise Price	$ 25.44
$25.51 - $43.05
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	25.51
Exercise Price Range, Upper Range Limit	$ 43.05
Options Outstanding	25,000
Weighted Average Remaining Contractual Life (in years)	7 years 1 month 17 days
Weighted Average Exercise Price	$ 42.35
Options Exercisable	0
Weighted Average Exercise Price	$ 0