Stockholders' Equity and Earnings Per Share (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) vote shares	Dec. 31, 2022 shares	Nov. 07, 2023 USD ($)
Class of Stock [Line Items]
Aggregate purchase price | $	$ 3,103
2021 Stock Repurchase Program
Class of Stock [Line Items]
Treasury stock, shares acquired (in shares)		0
2023 Stock Repurchase Program
Class of Stock [Line Items]
Authorized amount available for repurchase | $			$ 20,000
Class A Common Stock
Class of Stock [Line Items]
Votes per share | vote	1
Common stock, shares authorized (in shares)	25,000,000
Treasury stock (in shares)	2,335,178	2,434,769
Class A Common Stock | 2021 Stock Repurchase Program
Class of Stock [Line Items]
Treasury stock, shares acquired (in shares)	47,095
Aggregate purchase price | $	$ 1,600
Class A Common Stock | 2023 Stock Repurchase Program
Class of Stock [Line Items]
Treasury stock, shares acquired (in shares)	43,872
Aggregate purchase price | $	$ 1,500
Class B Common Stock
Class of Stock [Line Items]
Votes per share | vote	10
Common stock, shares authorized (in shares)	6,756,176