Stockholders' Equity - Narrative (Details)	3 Months Ended		146 Months Ended
	Mar. 31, 2022 USD ($) measurement_period $ / shares shares	Mar. 31, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) measurement_period $ / shares shares	Dec. 31, 2021 $ / 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
Common stock, par value (in dollars per share) | $ / shares	$ 0.01		$ 0.01	$ 0.01
Preferred stock, authorized (in shares) | shares	100,000,000		100,000,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.01		$ 0.01
Common stock aggregate offering price, remaining	$ 221,400,000
Issuance of common stock, net of issuance costs (in shares) | shares		706,524
Weighted average offering price (per share) | $ / shares		$ 58.20
Net proceeds of common share issuance	$ 0	$ 41,122,000
Shares repurchase program, authorized repurchase amount (in shares) | shares	3,000,000		3,000,000
Compensation costs	$ 1,400,000	$ 600,000
Common Shares Held in Deferred Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award
Deposits to deferred compensation plan (in shares) | shares	147,285	131,322
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Common stock, shares authorized (in shares) | shares	1,898,961		1,898,961
Remaining balance of shares available (in shares) | shares	813,601		813,601
Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of measurement periods | measurement_period	3		3
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	$ 72.07
Fair value of the restricted stock granted	$ 3,000,000
Unrecognized compensation costs related to restricted stock issuances	$ 12,300,000		$ 12,300,000
Remaining weighted average period	3 years
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	1 year
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
At The Market Program
Share-based Compensation Arrangement by Share-based Payment Award
Net proceeds of common share issuance		$ 40,500,000
Total compensation to the applicable sales agents		$ 600,000
$300 Million ATM Program
Share-based Compensation Arrangement by Share-based Payment Award
Common stock aggregate offering price	$ 300,000,000