Recently Issued Accounting Pronouncements Details Textual (Details) - USD ($) $ in Thousands |
Mar. 29, 2019 |
Jan. 01, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|---|
| Operating Lease, Right-of-Use Asset | $ 197,607 | $ 197,600 | $ 0 | |
| Present value of lease liabilities | $ 197,607 | 197,600 | ||
| Retained Earnings | ||||
| Cumulative Effect of New Accounting Principle in Period of Adoption | (15,400) | (15,368) | $ (5,152) | |
| Accumulated Other Comprehensive Loss | ||||
| Cumulative Effect of New Accounting Principle in Period of Adoption | $ 15,400 | $ 15,368 | $ 5,152 |