Leases - Lease Term And Discount Rate And Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases
Weighted average remaining lease term - operating leases	6 years 4 months 24 days
Weighted average remaining lease term - finance leases	22 years
Weighted average discount rate - operating leases (as a percent)	5.50%
Weighted average discount rate - finance leases (as a percent)	6.00%
Cash paid for amounts included in the measurement of lease liabilities - Operating cash flows from operating leases	$ 864	$ 531
Right-of-use asset obtained in exchange for lease obligations: Operating leases	$ 61	$ 61