Fair Value Measurements - Face Value, Carrying Amount and Fair Value of Financial Instruments (Details) - Senior unsecured notes payable - Senior unsecured notes payable - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Financial liabilities:
Face Value	$ 400,000,000	$ 400,000,000
Carrying Amount | Level 2
Financial liabilities:
Notes payable, fair value disclosure	394,706,000	394,262,000
Fair Value | Level 2
Financial liabilities:
Notes payable, fair value disclosure	$ 336,000,000	$ 410,500,000