Leases - Summary of Additional Lease Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease Cost
Operating lease cost	$ 2,704
Short term lease cost	35
Total lease cost	2,739
Other information
Operating leases - operating cash flows	$ 2,684
Weighted average lease term - operating leases, in years	10 years 9 months 26 days
Weighted average discount rate - operating leases	3.32%