Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Preferred stock, shares authorized (in shares)	1,500,000	1,500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Treasury stock, shares (in shares)	1,959	1,764
Allowance of accounts receivable	$ 1,136	$ 1,071
Accumulated amortization	$ 16,645	$ 16,257
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	35,000,000	35,000,000
Common stock, shares issued (in shares)	8,304,000	8,183,000