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Capital Stock and Equity Awards (Tables)

9 Months Ended

Sep. 30, 2020

Stockholders' Equity Note [Abstract]

The Company declared the following dividends during the first nine months of 2020 and 2019:


Date of Declaration	Dividend per Common Share		Payable to Shareholders of Record on	Payment Date	Total Amount (thousands)

2020
February 19, 2020	$	0.30	March 16, 2020	March 31, 2020	$	9,269
April 28, 2020	$	0.30	June 15, 2020	June 30, 2020	$	9,271
July 28, 2020	$	0.30	September 14, 2020	September 30, 2020	$	9,292
	$	0.90			$	27,832
2019
February 20, 2019	$	0.30	March 11, 2019	March 29, 2019	$	9,146
April 30, 2019	$	0.30	June 10, 2019	June 28, 2019	$	9,205
July 30, 2019	$	0.30	September 16, 2019	September 30, 2019	$	9,231
	$	0.90			$	27,582

Schedule of summary of option activity

The following table summarizes option activity:


	Nine Months Ended September 30,
	2020			2019
	Shares	Weighted- Average Exercise Price		Shares	Weighted- Average Exercise Price
Outstanding:
Beginning of period	643,851	$	30.41	1,115,324	$	29.02
Granted	—	$	—	—	$	—
Exercised	(79,615)	$	31.77	(450,514)	$	26.68
Forfeited	—	$	—	(12,058)	$	36.84
End of period	564,236	$	30.22	652,752	$	30.50
Exercisable, end of period	564,236	$	30.22	599,241	$	29.44

Schedule of summary of RSU activity

The following table summarizes RSU activity:


	Nine Months Ended September 30,
	2020			2019
	Shares	Weighted- Average Grant Date Fair Value		Shares	Weighted- Average Grant Date Fair Value

Unvested, beginning of period	340,368	$	41.50	300,142	$	39.22
Granted	197,518	$	43.77	197,078	$	42.56
Vested	(156,434)	$	41.50	(111,212)	$	39.90
Forfeited	(16,846)	$	42.17	(22,445)	$	41.32
Unvested, end of period	364,606	$	42.70	363,563	$	40.69

Schedule of summary of share based compensation expense and related tax benefit

Share based compensation expense is recognized on a straight line basis over the vesting period. The amount of expense and related tax benefit is summarized below:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
	(in thousands)
Share based compensation expense	$	2,097	$	1,779	$	5,874	$	5,263
U.S. tax benefit on share based compensation expense	287		211		786		631