Service and Protective Advances, Net - Schedule of Activity in Allowance for Uncollectible Advances Footnotes (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Apr. 27, 2015 Trust
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-offs related to the sale of Residual Trusts	$ 38,286	$ 44,768	$ 25,819
Charge-offs related to the transfer to payables and accrued liabilities	$ 11,300
Variable Interest Entity, Primary Beneficiary [Member] | Residual Trusts [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-offs related to the sale of Residual Trusts		$ 23,500
Number of Residual Trusts sold | Trust				7