Stock Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Stock Benefit Plans

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	December 31, 2020			December 31, 2019				December 31, 2018
	CEO	Employees		CEO		Employees		CEO		Employees
Risk-free interest rate	—	1.60	%	1.59	%	1.42	%	2.52	%	2.67	%
Expected life (in years)	—	3.67		3.67		3.67		3.85		3.68
Expected volatility	—	28.38	%	28.62	%	26.96	%	23.20	%	22.51	%
Expected dividend yield	—	7.18	%	6.47	%	6.12	%	4.67	%	4.54	%

Schedule of Share-based Compensation, Stock Options, Activity

		Weighted Avg.		Weighted Avg.
		Exercise Price		Remaining	Aggregate
		Per Share		Contractual	Intrinsic Value
(Amounts in thousands, expect per share and term data)	Shares	($)		Term	($)
Balance at December 31, 2019	6,408	$	52.42
Granted	9	$	44.73
Exercised	(127)	$	17.64
Canceled or exchanged	(1,061)	$	53.50
Forfeited	(432)	$	59.85
Expired	—	$	—
Balance at December 31, 2020	4,797	$	52.42	6.27	$	2,569
Vested and expected to vest at December 31, 2020	4,679	$	52.23	6.22	$	2,569
Options exercisable at December 31, 2020	2,993	$	49.30	5.08	$	2,569

Schedule of Share-based Payment Award, Stock Options, Weighted-Average Information

	Year Ended December 31,
(Amounts in thousands, expect per share data)	2020		2019		2018
Weighted average grant date fair value per share of options granted	$	4.85	$	6.38	$	8.01
Total intrinsic value of options exercised	$	1,275	$	7,130	$	31,822
Total fair value of vested options	$	7,369	$	10,253	$	8,446
Total cash received from the exercise of stock options	$	2,235	$	17,495	$	41,658

Schedule of Nonvested Share Activity

The following table summarizes stock, restricted stock and restricted stock unit activity for the year ended December 31, 2020:

			Weighted
			Average Grant
			Date Fair Value
			Per Share
(Amounts in thousands, except per share amounts)	Shares		($)
Non-vested balance at December 31, 2019	62	$	48.29
Granted	1,569	$	18.86
Vested	(50)	$	40.19
Forfeited	(121)	$	19.01
Canceled	—	$	—
Non-vested balance at December 31, 2020	1,460	$	19.37

Schedule of Share-based Payment Award, Other than Stock Options, Weighted-Average Information

	Year Ended December 31,
(Amounts in thousands, expect per share data)	2020		2019		2018
Weighted average grant date fair value per share of stock awards granted	$	18.86	$	48.29	$	63.80
Total grant date fair value of stock awards granted	$	29,597	$	3,007	$	4,185
Total fair value of vested stock awards	$	2,011	$	1,027	$	3,888

Schedule of stock-based compensation expense

	Year Ended December 31,
(Amounts in thousands)	2020		2019		2018
Long-Term Incentive Plan
Options and other	$	19,078	$	13,037	$	15,543
Performance awards		—		—		(62,512)
Employee Stock Purchase Plan		452		237		285
Total Stock-Based Compensation	$	19,530	$	13,274	$	(46,684)