Organization and Description of Business - Narrative (Details)	Sep. 30, 2025 territory state property $ / shares shares	Dec. 31, 2024 $ / shares shares	May 17, 2019 $ / shares	May 15, 2019 $ / shares shares
Organization and Description of Business (Details) [Line Items]
Percentage of interest in operating partnership	78.60%
Class A common stock
Organization and Description of Business (Details) [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	25,919,415	23,494,487
Class B common stock
Organization and Description of Business (Details) [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	27,206	27,206
Common stock, shares issued (in shares)	27,206	27,206
USPS
Organization and Description of Business (Details) [Line Items]
Number of postal properties (in properties) | property	1,853
Number of states (in states) | state	49
Number of territories (in territories) | territory	1
PRM
Organization and Description of Business (Details) [Line Items]
Number of postal properties (in properties) | property	358
IPO
Organization and Description of Business (Details) [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)				100,000,000
IPO | Class A common stock
Organization and Description of Business (Details) [Line Items]
Common stock, shares authorized (in shares)				500,000,000
IPO | Class B common stock
Organization and Description of Business (Details) [Line Items]
Common stock, shares issued (in shares)				27,206