Leases (Supplemental Cash Flows Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 6,472	$ 5,393
Right-of-use assets, net obtained in exchange for lease obligations:
Operating leases	$ 21,399	$ 5,536