Stock-Based Compensation - Employee Stock Purchase Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Employee Stock
Stock Option Disclosures
Weighted average grant date fair value (in dollars per share)	$ 2.34	$ 2.84	$ 2.87
2017 ESPP
Stock Option Disclosures
Discount from market value on common stock	15.00%
Offering period	6 months
Maximum amount available to participants per year	$ 25
2017 ESPP | Employee Stock
Stock Option Disclosures
Shares authorized for issuance (in shares)	3,000
Total stock-based compensation expense	$ 371	$ 333	$ 844