Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 2,098	$ 2,029
Operating cash flows from finance leases	9	12
Financing cash flows from finance leases	82	90
ROU assets obtained in exchange for lease obligations:
Operating leases	$ 395	$ 5,400