Stockholders' Equity - Narrative (Details)						3 Months Ended	12 Months Ended			167 Months Ended
	Sep. 04, 2023 USD ($)	May 02, 2023 $ / shares shares	Feb. 13, 2023 USD ($) $ / shares shares	Nov. 10, 2021 USD ($) shares	Nov. 08, 2021 $ / shares shares	Dec. 31, 2023 USD ($) period $ / shares shares	Dec. 31, 2023 USD ($) period $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) period $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) | shares						400,000,000	400,000,000	400,000,000		400,000,000
Common stock, par value (in dollars per share) | $ / shares						$ 0.01	$ 0.01	$ 0.01		$ 0.01
Preferred stock, authorized (in shares) | shares						100,000,000	100,000,000			100,000,000
Preferred stock, par value (in dollars per share) | $ / shares						$ 0.01	$ 0.01			$ 0.01
Weighted average offering price (in dollars per share) | $ / shares							$ 61.15	$ 61.31	$ 63.23
Net proceeds form offerings				$ 296,500,000
Total compensation to the applicable sales agents							$ 4,600,000
Issuance of common stock (in shares) | shares								1,286,125	2,569,771
Underwriting discount and offering costs				$ 3,300,000			$ 5,830	$ 1,557,000	$ 6,123,000
Shares repurchase program, authorized repurchase amount (in shares) | shares						3,000,000	3,000,000			3,000,000
Withdraw from deferred compensation plan (in shares) | shares							5,876	8,929	0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Granted (in shares) | shares							132,574	136,903	99,569
Grant date fair value per share of restricted stock awards (in dollars per share) | $ / shares							$ 61.58	$ 66.35	$ 65.90
Expense							$ 6,300,000	$ 4,900,000	$ 3,600,000
Fair value of the restricted stock granted							8,200,000
Unrecognized compensation costs related to restricted stock issuances						$ 14,400,000	$ 14,400,000			$ 14,400,000
Remaining weighted average period							3 years 1 month 6 days
Minimum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Grant date fair value per share of restricted stock awards (in dollars per share) | $ / shares										$ 14.20
Vesting period for the restricted stock							3 years
Maximum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Grant date fair value per share of restricted stock awards (in dollars per share) | $ / shares										$ 78.33
Vesting period for the restricted stock							5 years
Common Shares Held in Deferred Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award
Deposits to deferred compensation plan (in shares) | shares							96,874	150,867	136,503
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) | shares						1,898,961	1,898,961			1,898,961
Granted (in shares) | shares		12,480
Grant date fair value per share of restricted stock awards (in dollars per share) | $ / shares		$ 60.10
Expense						$ 800,000	$ 800,000
Remaining balance of shares available (in shares) | shares						500,490	500,490			500,490
Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares issued (in shares) | shares							97,825
Shares issued, price per share (in dollars per share) | $ / shares						$ 58.56	$ 58.56			$ 58.56
Number of measurement periods | period						3	3			3
$500 Million ATM Program
Share-based Compensation Arrangement by Share-based Payment Award
Common stock aggregate offering price							$ 500,000,000
Common stock aggregate offering price, remaining							$ 305,800,000
Number of shares issued (in shares) | shares							5,152,279
Net proceeds form offerings							$ 310,500,000
$300 Million ATM Program
Share-based Compensation Arrangement by Share-based Payment Award
Common stock aggregate offering price	$ 300,000,000
Net proceeds form offerings								$ 77,700,000	$ 160,100,000
Total compensation to the applicable sales agents								$ 1,100,000	$ 2,400,000
IPO | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares issued (in shares) | shares			5,750,000		3,500,000
Net proceeds form offerings			$ 355,900,000
Shares issued, price per share (in dollars per share) | $ / shares			$ 62.50		$ 74.50
Underwriting discount and offering costs			$ 3,500,000
Over-Allotment Option | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares issued (in shares) | shares			750,000	525,000