Stock-Based Compensation and Stock Repurchases (Tables)

9 Months Ended

Sep. 30, 2017

Stock-Based Compensation and Stock Repurchases [Abstract]

Schedule Of Fair Value Of Options, Weighted Average Assumptions

	Nine Months Ended September 30
	2017			2016
Stock option exercise price	$	15.94	11.87
Risk-free interest rate		1.66%	1.20%
Expected dividend yield		--	--
Expected option life in years		3.75	3.75
Expected volatility		24.95%	25.01%
Weighted average fair value	$	3.45	2.49

Schedule Of Stock Options Outstanding And Exercisable

	Outstanding Stock Options - Class A Shares
	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Years of Contractual Life	Aggregate Intrinsic Value
Balance - December 31, 2015	486,565	$	8.68	2.89	$	2,188,011
Granted	169,327		11.87
Exercised	(46,815)		9.50		$	220,002
Forfeited	(74,000)		7.02
Balance - December 31, 2016	535,077	$	9.84	2.61	$	3,615,191
Granted	169,762		15.94
Exercised	(107,750)		8.94		$	595,873
Forfeited	(2,500)		6.23
Balance - September 30, 2017	594,589	$	11.76	3.02	$	3,007,071

Summary Of Restricted Stock Units Granted

	Outstanding Restricted Stock Units
	RSU Grants (in units)		Total	Vested,	Unvested,
Grant Date	Directors	Management	Grants	September 30, 2017	September 30, 2017
March 10, 2016	35,147	27,381	62,528	41,992	20,536
April 11, 2016	--	5,625	5,625	1,406	4,219
March 23, 2017	30,681	32,463	63,144	--	63,144
August 29, 2017	--	7,394	7,394	--	7,394
Total	65,828	72,863	138,691	43,398	95,293