Income Taxes Components of the provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Components of the provision for income taxes [Line Items]
Current tax provision	$ 1,351	$ 1,695
Current state tax provision	41	86
Deferred tax provision (benefit)	438	(508)
Provision for income taxes	$ 1,830	$ 1,273