Leases - Cash Flow Components (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows related to operating leases	$ (1,630)	$ (1,965)
Financing cash flows related to finance leases	(111)	(352)
Right-of-use assets obtained in exchange for new lease liabilities:
Operating leases	$ 279	$ 6,435