Leases (Lease Liability Maturities) (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
2019	$ 10,310
2020	12,475
2021	10,947
2022	9,575
2023	7,772
Thereafter	35,343
Total lease payments	86,422
Less: Interest	14,107
Present value of lease liabilities	72,315
Finance Leases
2019	1,301
2020	1,748
2021	1,764
2022	1,481
2023	599
Thereafter	1,683
Total lease payments	8,576
Less: Interest	748
Present value of lease liabilities	7,828
Total
2019	11,611
2020	14,223
2021	12,711
2022	11,056
2023	8,371
Thereafter	37,026
Total lease payments	94,998
Less: Interest	14,855
Present value of lease liabilities	$ 80,143