Saving and Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2018

Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]

Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits [Table Text Block]

The following table reflects the balances of the assets and deferred compensation liabilities of the Rabbi trust in the accompanying Consolidated Balance Sheets:

Non Qualified Deferred Compensation Plan Component (1)	Year ended December 31,
(in thousands)	2018		2017
Assets:
Trading securities held in trust (2)	$	31,351	31,662
Liabilities:
Accounts payable and other liabilities	$	31,166	31,383
(1) Assets and liabilities of the Rabbi trust are exclusive of the shares of the Company's common stock.
(2)  Included within Other assets in the accompanying Consolidated Balance Sheets.