Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended		12 Months Ended
	Mar. 01, 2022	Jul. 19, 2021	Mar. 01, 2021	Mar. 31, 2023	Feb. 28, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Shareholders Equity [Line Items]
Payment of regular quarterly dividend						$ 87,000	$ 78,300
Regular quarterly dividends paid per share						$ 1.72	$ 1.64
Shares issued pursuant to dividend reinvestment, shares						1,627	2,053
Proceeds from issuance of common stock under the dividend reinvestment plan						$ 53	$ 59
Stock based compensation expense						$ 5,600	$ 4,800	$ 4,000
Common Stock [Member]
Shareholders Equity [Line Items]
Shares issued pursuant to Offering/Program net, shares						3,450,000
Shares issued pursuant to dividend reinvestment, shares						2,000	2,000	3,000
February Two Thousand And Twenty Three Forward Offering Member
Shareholders Equity [Line Items]
Proceeds from issuance of common stock, net					$ 112,100
Number of shares settled under forward provisions					3,450,000
ATM Program [Member]
Shareholders Equity [Line Items]
Number of shares allowed for sale under forward provisions						1,049,050
Number of shares settled under forward provisions						0
ATM Program [Member] | Common Stock [Member]
Shareholders Equity [Line Items]
Shares issued pursuant to Offering/Program net, shares						3,721,000		3,043,000
Sale of common stock average gross offering price per share						$ 30.67
ATM Program [Member] | Maximum [Member]
Shareholders Equity [Line Items]
Aggregate sales price					$ 350,000
Follow On Public Offering Member | February Two Thousand And Twenty Three Forward Offering Member | Common Stock [Member]
Shareholders Equity [Line Items]
Shares issued pursuant to Offering/Program net, shares					3,450,000
Two Thousand And Twenty One At The Market Equity Offering Program Member
Shareholders Equity [Line Items]
Aggregate sales price					$ 250,000
Proceeds from issuance of common stock, net						$ 114,100
Number of shares allowed for sale under forward provisions							3,721,000
Number of shares settled under forward provisions						3,721,000	0
Remaining number of shares subject to forward sale agreements						0
Two Thousand And Twenty One At The Market Equity Offering Program Member | Common Stock [Member]
Shareholders Equity [Line Items]
Sale of common stock average gross offering price per share							$ 31.61
At The Market Direct Issuances Program Member
Shareholders Equity [Line Items]
Shares issued pursuant to Offering/Program net, shares						0	0
Restricted Stock Units [Member]
Shareholders Equity [Line Items]
Granted, Number of RSUs Outstanding						253,075	238,850	196,050
Amended and Restated 2004 Omnibus Incentive Compensation Plan [Member] | Restricted Stock Units [Member]
Shareholders Equity [Line Items]
Granted, Number of RSUs Outstanding	238,850	3,500	192,550	253,075