Leases (Supplemental Balance Sheet Information) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease ROU assets	$ 80,906
Accrued expenses	21,072
Operating lease liabilities	62,354
Total operating lease liabilities	83,426
Cash paid for operating leases	34,207
ROU assets obtained in exchange for lease obligations	$ 20,200
Weighted average remaining lease term	9 years
Weighted average discount rate	6.75%