Payables and Accrued Liabilities - Schedule of Payables and Accrued Liabilities Footnotes (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts Payable And Accrued Liabilities [Line Items]
Decrease in payables to insurance carriers	$ (5,452)	$ (21,356)
Restatement Adjustment [Member] | Insurance Adjustments [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Decrease in payables to insurance carriers		$ 42,100