Accounting Pronouncements Adoption of Accounting Pronouncements (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Adoption of Accounting Pronouncements [Abstract]
Cumulative effect of new accounting principle in period of adoption	$ 1,435

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

Name:	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant