Stockholders' Equity (Details) - shares	12 Months Ended			125 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023	Jul. 18, 2013
Class of Stock [Abstract]
Minimum percentage of class A common stock declared dividend excess over class B dividend	10.00%
Class B Common Stock [Member]
Class of Stock [Abstract]
Treasury stock (in shares)	72,465	72,465		72,465
Class A Common Stock [Member]
Class of Stock [Abstract]
Treasury stock (in shares)	3,002,588	3,002,588		3,002,588
Stock Repurchase Program [Member] | Class A Common Stock [Member]
Class of Stock [Abstract]
Stock repurchased (in shares)	0	0	0	57,658
Maximum [Member] | Stock Repurchase Program [Member] | Class A Common Stock [Member]
Class of Stock [Abstract]
Authority to purchase shares (in shares)					500,000