Leases Leases (Future Maturities of Lease Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Leases
2020	$ 34,103
2021	32,672
2022	30,667
2023	27,467
2024	21,996
Thereafter	29,796
Total lease payments	176,701
Less: Interest	(29,722)
Present value of lease liabilities	146,979	$ 115,000
Finance Leases
2020	6,037
2021	2,825
2022	1,338
2023	1,120
2024	466
Thereafter	2,010
Total lease payments	13,796
Less: Interest	(1,260)
Present value of lease liabilities	12,536
2020	40,140
2021	35,497
2022	32,005
2023	28,587
2024	22,462
Thereafter	31,806
Total lease payments	190,497
Less: Interest	(30,982)
Present value of lease liabilities	$ 159,515		$ 15,506