Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Changes in Shares of Common Stock Outstanding

Changes in shares of common stock outstanding are provided below.

	Years Ended December 31,
	2021		2020	2019
	(In thousands)
Common stock shares outstanding:
Shares outstanding at beginning of year	$	3,636	3,636	3,636
Shares exercised under stock option plan	—		—	—
Shares outstanding at end of year	$	3,636	3,636	3,636

Summary of Shares Available for Grant and Stock Options Activity

The following table shows all grants issued to officers and directors for the twelve months ended December 31, 2021 and 2020. These grants were made based upon the 20-day moving average closing market price of the Company's Class A common share at the grant date.

	Years Ended
	December 31, 2021		December 31, 2020
	Officers	Directors	Officers	Directors
SARs	64,157	—	40,990	—
RSUs	5,301	3,530	6,147	3,400
PSUs	4,066	—	9,324	—

A summary of awards by type and related activity is detailed below.

		Options Outstanding
	Shares Available For Grant	Shares	Weighted-Average Exercise Price
Stock Options:
Balance at January 1, 2021	291,000	—	$	—
Exercised	—	—	$	—
Forfeited	—	—	$	—
Expired	—	—	$	—
Stock options granted	—	—	$	—
Balance at December 31, 2021	291,000	—	$	—

Schedule of Other Share / Unit Awards Activity

	Liability Awards
Other Share/Unit Awards:	SARs	RSUs	PSUs
Balance at January 1, 2021	144,248	16,449	24,282
Exercised	(19,881)	(6,168)	(3,863)
Forfeited	(1,530)	(157)	—
Granted	64,157	8,831	4,066
Balance at December 31, 2021	186,994	18,955	24,485

Summary of Information About SARs Outstanding

The following table summarizes information about SARs outstanding at December 31, 2021.

	SARs Outstanding
	Number Outstanding		Weighted-Average Remaining Contractual Life	Number Exercisable
Exercise prices:
$210.22	22,750		1.9 years	22,750
$216.48	11,086		4.1 years	11,086
$311.16	9,295		5.1 years	9,295
$310.55	203		5.3 years	203
$334.34	8,880		6.0 years	8,880
$303.77	11,068		7.0 years	11,068
$252.91	19,007		7.9 years	12,677
$192.10	40,548		8.9 years	13,504
$218.44	64,157		10.0 years	—
Totals	186,994			89,463
Aggregate intrinsic value
(in thousands)	$	1,002		$	398

Summary of SARs / Options Outstanding Using Black-Scholes Option Pricing Model

In estimating the fair value of SARs outstanding at December 31, 2021 and 2020, the Company employed the Black-Scholes option pricing model with assumptions as detailed below.

	December 31, 2021		December 31, 2020
Expected term	1.9 to 10.0 years		1.0 to 9.9 years
Expected volatility weighted-average	35.05	%	33.47	%
Expected dividend yield	0.17	%	0.17	%
Risk-free rate weighted-average	1.01	%	0.19	%