Leases (Maturities of Operating Lease Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2020 (remainder of year)	$ 13,498
2021	17,676
2022	14,695
2023	10,300
2024	6,813
Thereafter	33,376
Total lease payments	96,358
Less imputed interest	(15,522)
Total	80,836
Current operating lease liabilities, included in accrued liabilities	15,493	$ 15,281
Long-term operating lease liabilities	$ 65,343	$ 67,472
Weighted average remaining lease term - operating leases	10 years 2 months 12 days
Weighted average discount rate - operating leases	3.50%