Employee Benefit Plans (Estimated Pension Expense To Be Recognized In Other Comprehensive Income In The Next Year) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($)
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Amortization of net losses	$ 594
Prior service cost	0
Total	$ 594

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

No definition available.

Name:	us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration