Leases - Other Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 1,333	$ 1,239	$ 2,880	$ 2,273
Operating cash flows from finance leases	4	4	7	9
Financing cash flows from finance leases	35	25	61	50
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$ 2,907	$ 6,441	$ 7,652	$ 15,417
Weighted Average Remaining Lease Term
Operating leases	7 years 21 days	6 years 10 months 13 days	7 years 21 days	6 years 10 months 13 days
Finance leases	4 years 2 months 1 day	5 years	4 years 2 months 1 day	5 years
Weighted Average Discount Rate
Operating leases	6.10%	6.18%	6.10%	6.18%
Finance leases	3.00%	3.00%	3.00%	3.00%