Stockholders' Equity - Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Mar. 01, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Preferred stock, authorized (in shares)		50,000,000		50,000,000
Preferred stock, par value (in dollars per share)		$ 0.001		$ 0.001
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001				$ 0.001
Preferred stock, issued (in shares)		0		0
Class A Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)		50,000,000		50,000,000		50,000,000
Common stock, par value (in dollars per share)		$ 0.001		$ 0.001
Common stock, issued (in shares)		10,418,259		10,418,259		10,231,736
Stock repurchased and cancellation (in shares)		9,855	23,102	11,385	237,825
Common stock, outstanding (in shares)		10,418,259	10,227,845	10,418,259	10,227,845	10,231,736	10,425,830	10,247,197	10,357,376	10,186,783
Class A Stock | Subsequent Event
Class of Stock [Line Items]
Quarterly dividend payable amount per share (in dollars per share)	$ 0.18
Class A Stock | New Program
Class of Stock [Line Items]
Stock repurchased and cancellation (in shares)			23,102	11,385	237,825
Total consideration for repurchase of stock		$ 580,396	$ 924,364	$ 670,346	$ 9,300,000
Stock repurchased (in dollars per share)		$ 58.89	$ 40.01	$ 58.88	$ 39.14
Remaining amount authorized for repurchase (in shares)		486,508		486,508
Class A Stock | Share Repurchase Program, March (2024)
Class of Stock [Line Items]
Stock repurchased and cancellation (in shares)						243,806
Total consideration for repurchase of stock						$ 9,600,000
Remaining amount authorized for repurchase (in shares)						497,893
Repurchase of class A common stock (in shares)									518,000
Shares repurchased as a percent of shares outstanding (as a percent)									5.00%
Stock repurchased and retired during period, per share (in dollars per share)						$ 39.39
Class B Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)		99,665		99,665		99,665
Common stock, par value (in dollars per share)		$ 0.001		$ 0.001
Common stock, issued (in shares)		99,665		99,665		99,665
Common stock, outstanding (in shares)		99,665		99,665		99,665
Class B Stock | Subsequent Event
Class of Stock [Line Items]
Quarterly dividend payable amount per share (in dollars per share)	$ 0.18