Leases (Future Minimum Lease Payments) (Details)	Sep. 30, 2019 USD ($)
Leases [Abstract]
2019 (excluding the nine months ended September 30, 2019)	$ 5,401,000
2020	17,384,000
2021	14,518,000
2022	10,824,000
2023	7,817,000
Thereafter	28,947,000
Total future minimum lease payments	84,891,000
Less: Interest	(14,358,000)
Present value of operating lease liabilities	$ 70,533,000