Federal Income Taxes - Schedule of Valuation Allowance by Tax Jurisdiction (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Total valuation allowance	$ 29,063	$ 68,121
United States [Member]
Total valuation allowance	15,616	60,920
Canada [Member]
Total valuation allowance	1,999
Australia [Member]
Total valuation allowance	5,190	5,187
Turkey [Member]
Total valuation allowance	$ 6,258	$ 2,014

Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e31917-109318

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e31928-109318

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