Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Summary of Options Granted, Exercised and Forfeited

Options granted, exercised and forfeited under the stock incentive plan are summarized as follows:

				Weighted		Weighted
				Average		Average		Aggregate
				Exercise		Grant Date		Intrinsic
	Options			Price		Fair Value		Value
Options outstanding, December 31, 2016		421		$	19.06	$	9.01
Granted		200		$	30.50	$	14.58
Exercised		(106	)	$	11.17	$	6.75
Forfeited or expired		—			—		—
Options outstanding, December 31, 2017		515		$	25.13	$	11.64
Granted		100		$	29.55	$	14.46
Exercised		(102	)	$	12.38	$	7.02
Forfeited or expired		—			—		—
Options outstanding, December 31, 2018		513		$	28.52	$	13.10	$	46
Options exercisable, December 31, 2018		305		$	27.46			$	46
Options unvested, December 31, 2018		208		$	30.08			$	-

Summary of Information about Stock Options Outstanding

The following table summarizes information about stock options outstanding at December 31, 2018:

	Options Outstanding						Options Exercisable
					Weighted						Weighted
			Remaining		Average				Remaining		Average
	Number		Contractual		Exercise		Number		Contractual		Exercise
Exercise Price	Outstanding		Life (Years)		Price		Outstanding		Life (Years)		Price
$9.91		10		0.33	$	9.91		10		0.33	$	9.91
$14.99 - $18.01		28		1.18	$	16.61		28		1.18	$	16.61
$27.61 - $29.55		200		6.26	$	28.58		108		3.37	$	27.76
$30.01 - $30.50		275		6.86	$	30.37		159		5.52	$	30.27
$9.91 - $30.50		513		6.19	$	28.52		305		4.19	$	27.46

Reconciliation of Unvested Balance of Restricted Stock

The following table reconciles the unvested balance of restricted stock:

				Weighted
				Average
	Number of			Grant Date
	Shares			Fair Value
Unvested balance, December 31, 2016		385		$	26.28
Granted		317		$	27.56
Vested		(250	)	$	24.05
Forfeited		(26	)	$	27.79
Unvested balance, December 31, 2017		426		$	28.44
Granted		239		$	29.73
Vested		(215	)	$	28.96
Forfeited		(24	)	$	29.29
Unvested balance, December 31, 2018		426		$	28.85

Fair Value of Restricted Stock Awards Vested

The following table indicates the fair value of all restricted stock awards that vested during the years ended December 31, 2018 and 2017, respectively:

	Year Ended		Year Ended
	December 31,		December 31,
	2018		2017
Fair value of restricted stock awards vested	$	5,835	$	7,683