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Commitments, Contingencies and Other Guarantee (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016	Dec. 22, 2016
Guarantor Obligations [Line Items]
Total long-term debt, carrying value	$ 227,704		$ 226,291
Goldman Sachs Bank USA | Indirect Guarantee of Indebtedness
Guarantor Obligations [Line Items]
Current carrying value				$ 30,000
Goldman Sachs Bank USA | STIH
Guarantor Obligations [Line Items]
Total long-term debt, carrying value				$ 40,000
STIN | BPO | Discontinued Operations, Disposed of by Sale | STIH | Goldman Sachs Bank USA | Indirect Guarantee of Indebtedness
Guarantor Obligations [Line Items]
Restricted cash, current		$ 6,200

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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