Leases - Summary of Operating and Finance Lease Right-of-use Assets and Related Lease Liabilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leases
Right of use asset	$ 10,416
Lease liability	$ 11,534
Weighted average remaining lease term (in years)	9 years 2 months 1 day
Weighted average discount rate	3.43%
Finance Lease
Right of use asset	$ 3,492
Lease liability	$ 3,571
Weighted average remaining lease term (in years)	19 years 5 months 1 day
Weighted average discount rate	3.81%