Leases (Future Minimum Lease Payments) (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Jan. 01, 2019
Operating Leases
2019	[1]	$ 8,111
2020		31,277
2021		29,213
2022		26,056
2023		22,720
Thereafter		43,000
Total lease payments		160,377
Less: Interest		(28,536)
Present value of lease liabilities		131,841	$ 115,000
Finance Leases
2019	[1]	1,881
2020		6,245
2021		3,040
2022		1,574
2023		1,379
Thereafter		4,398
Total lease payments		18,517
Less: Interest		(2,316)
Present value of lease liabilities		16,201
2019	[1]	9,992
2020		37,522
2021		32,253
2022		27,630
2023		24,099
Thereafter		47,398
Total lease payments		178,894
Less: Interest		(30,852)
Present value of lease liabilities		$ 148,042

[1] Excludes the nine months ended September 30, 2019.