Business, Basis of Presentation and Summary of Significant Accounting Policies - Stock Repurchase Programs and Proposed Clean-Up Merger (Details) - Class A Common Stock - USD ($)	1 Months Ended	6 Months Ended
	Jan. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Class of Stock [Line Items]
Treasury stock, acquired (in shares)	652,118
Treasury stock acquired (in dollars per share)	$ 33.96
Stock repurchase program, authorized amount				$ 50,000,000
Treasury stock acquired	$ 22,100,000
Stock held as treasury (in shares)		0	0
New Class A Common Stock Repurchase Program
Class of Stock [Line Items]
Treasury stock, acquired (in shares)		1,602,887
Treasury stock acquired (in dollars per share)		$ 31.14
Stock repurchase program, authorized amount	$ 50,000,000
Treasury stock acquired		$ 49,900,000