Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

2013 Director Incentive Agreement [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Performance Unit Graded Vesting Schedule

The following activity occurred during 2020:

	2020
	Director Incentive Plan	Performance Unit Plan
Nonvested awards January 1,	4,611	26,468
Granted	5,048	-
Vested	(5,373)	(9,048)
Nonvested awards December 31,	4,286	17,420

2006 Performance Unit Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Performance Unit Graded Vesting Schedule

The following activity occurred during 2020:

	2020
	Director Incentive Plan	Performance Unit Plan
Nonvested awards January 1,	4,611	26,468
Granted	5,048	-
Vested	(5,373)	(9,048)
Nonvested awards December 31,	4,286	17,420

2020 Performance Unit Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Performance Unit Graded Vesting Schedule

The following activity occurred during 2020:

		2020
		Performance		Restricted
Nonvested awards January 1,		-		-
Granted		9,822		9,822
Vested		(2,666)		(2,666)
Forfeited		(153)		(153)
Nonvested awards December 31,		7,003		7,003
Fair Value of each nonvested award	$	89.13		N/A
Estimated payout % based on performance criteria		100	%	N/A