Lease Commitments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Finance lease cost components:
Amortization of finance lease assets	$ 69
Interest on finance lease liabilities	56
Total finance lease costs	125
Operating lease cost components:
Operating lease cost	515
Variable lease cost	108
Short-term lease cost	68
Total operating lease costs	691
Total financing and operating lease cost components:	$ 816