Leases - Cash Flow and Supplemental Noncash Information (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 payments for operating leases	$ 2,981	$ 3,692
Operating cash payments for finance leases	648	473
Financing cash payments for finance leases	$ 1,184	$ 1,174