Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of stock option plans activity

Additional information relating to the Company’s stock option plans follows:

	2019		2018	2017
Options outstanding at beginning of year	63		63	91
Options exercised	—		—	(28	)
Options forfeited and expired	—		—	—
Options outstanding at end of year	63		63	63
Options exercisable at end of year	63		63	63
Option prices per share:
Options exercised during the year	$	—	—	57.34-66.14
Options forfeited and expired during the year	$	—	—	—
Options outstanding at end of year	57.34-66.14		57.34-66.14	57.34-66.14
Options exercisable at end of year	57.34-66.14		57.34-66.14	57.34-66.14

Summary of the stock options under the 2002, 2007 and 2012 plans

A summary of the Company’s options under it’s long-term incentive plans as of December 31, 2019, and changes during the year then ended is presented as follows:

	Shares	Weighted average exercise price		Weighted average remaining contractual term (years)	Aggregate intrinsic value
Options outstanding, December 31, 2018	63	$	62.86
Granted	—	—
Exercised	—	—
Forfeited and expired	—	—
Options outstanding, December 31, 2019	63	$	62.86	1.8	$	4,640
Vested and expected to vest as of December 31, 2019	63	$	62.86	1.8	$	4,640
Exercisable as of December 31, 2019	63	$	62.86	1.8	$	4,640

Summary of stock options outstanding

The following table summarizes information about the Company’s stock options outstanding as of December 31, 2019:

	Outstanding				Exercisable
Exercise price range	Number of shares	Average life	Average price		Number of shares	Average price
$57.34-$57.34	23	1.15	57.34		23	57.34
$66.14-$66.14	40	2.14	66.14		40	66.14
Total	63	1.77	$	62.86	63	$	62.86

Summary of RSUs under the 2007 and 2012 plans

A summary of the Company’s RSUs under the Company’s long-term incentive plans as of December 31, 2019, and changes during the year then ended is presented as follows:

	Shares		Weighted average grant date fair value		Weighted average remaining contractual term (years)	Aggregate intrinsic value
Restricted Stock Units outstanding, December 31, 2018	446		$	166.56
Granted	187		137.30
Released	(230	)	152.00
Forfeited	(41	)	189.23
Restricted Stock Units outstanding, December 31, 2019	362		$	158.13	1.3	$	48,914
Expected to vest as of December 31, 2019	356				1.3	$	48,060

Additional information for RSUs under the 2007 and 2012 plans

Additional information relating to the Company’s RSUs under the Company’s long-term incentive plans are as follows:

	2019		2018		2017
Restricted Stock Units outstanding, January 1	446		555		695
Granted	187		136		154
Released	(230	)	(235	)	(284	)
Forfeited	(41	)	(10	)	(10	)
Restricted Stock Units outstanding, December 31	362		446		555
Expected to vest as of December 31	356		440		546