Stockholders' Equity - Narratives (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Common stock, shares authorized (shares)	20,000,000	20,000,000
Common stock, issued (shares)	11,115,779	11,115,779
Common stock, par value (per share)	$ 0.01	$ 0.01	$ 0.01
Shares paid for tax withholding (shares)	45,288	95,285
Adjustments related to tax withholding	$ 732	$ 1,665
Treasury shares acquired (shares)	0	0