Income Taxes (Deferred Tax Assets Expiration) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Total deferred tax assets	$ 7,685
2020 - 2030 [Member]
Operating Loss Carryforwards [Line Items]
Total deferred tax assets	429
2031 - 2040 [Member]
Operating Loss Carryforwards [Line Items]
Total deferred tax assets	4,449
No Expiration [Member]
Operating Loss Carryforwards [Line Items]
Total deferred tax assets	$ 2,807

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319

Name:	us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant