Saving and Retirement Plans Non Qualified Deferred Compensation Plan (Tables)

12 Months Ended

Dec. 31, 2015

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)	2015		2014
Assets:
Trading securities held in trust	$	29,093	28,134
Liabilities:
Accounts payable and other liabilities	$	28,632	27,621