Accounting Policies - Recently Adopted Accounting Pronouncements (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Recently Adopted Accounting Pronouncements
Cumulative adjustment to retained earnings on adoption of new accounting principle	$ (3,225)
Accounting Standards Update 2016-13 \| Restatement Adjustment
Recently Adopted Accounting Pronouncements
Cumulative adjustment to retained earnings on adoption of new accounting principle	$ (3,200)

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