Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Summary of Changes in Stockholders' Equity

A summary of the changes in stockholders’ equity for the three and six months ended June 30, 2020 and 2019, is as follows (in thousands except per share amounts):

	Common Stock				Additional Paid-in		Dividends Paid In Excess
	Shares		Amount		Capital		Of Earnings			Total
BALANCE, MARCH 31, 2020		41,391	$	414	$	656,981	$	(70,920	)	$	586,475
Net earnings								10,973			10,973
Dividends declared — $0.37 per share								(15,768	)		(15,768	)
Shares issued pursuant to ATM Program, net		404		4		11,940		—			11,944
Shares issued pursuant to dividend reinvestment		1		—		16		—			16
Stock-based compensation/settlements		—		—		868		—			868
BALANCE, JUNE 30, 2020		41,796	$	418	$	669,805	$	(75,715	)	$	594,508
BALANCE, DECEMBER 31, 2019		41,368	$	414	$	656,127	$	(67,102	)	$	589,439
Net earnings								23,673			23,673
Cumulative-effect adjustment for the adoption of new accounting pronouncement (Note 2)								(886	)		(886	)
Dividends declared — $0.74 per share								(31,400	)		(31,400	)
Shares issued pursuant to ATM Program, net		404		4		11,912		—			11,916
Shares issued pursuant to dividend reinvestment		13		—		410		—			410
Stock-based compensation/settlements		11		—		1,356		—			1,356
BALANCE, JUNE 30, 2020		41,796	$	418	$	669,805	$	(75,715	)	$	594,508

	Common Stock				Additional Paid-in		Dividends Paid In Excess
	Shares		Amount		Capital		Of Earnings			Total
BALANCE, MARCH 31, 2019		40,883	$	409	$	638,877	$	(61,051	)	$	578,235
Net earnings								13,198			13,198
Dividends declared — $0.35 per share								(14,628	)		(14,628	)
Shares issued pursuant to ATM Program, net		213		2		6,678		—			6,680
Shares issued pursuant to dividend reinvestment		12		—		361		—			361
Stock-based compensation/settlements		—		—		665		—			665
BALANCE, JUNE 30, 2019		41,108	$	411	$	646,581	$	(62,481	)	$	584,511
BALANCE, DECEMBER 31, 2018		40,855	$	409	$	638,178	$	(57,423	)	$	581,164
Net earnings								24,125			24,125
Dividends declared — $0.70 per share								(29,183	)		(29,183	)
Shares issued pursuant to ATM Program, net		213		2		6,661		—			6,663
Shares issued pursuant to dividend reinvestment		24		—		718		—			718
Stock-based compensation/settlements		16		—		1,024		—			1,024
BALANCE, JUNE 30, 2019		41,108	$	411	$	646,581	$	(62,481	)	$	584,511