Subsequent Event Subsequent Event (Details) - Subsequent Event - USD ($)		2 Months Ended
Jan. 18, 2019	Mar. 08, 2019
Subsequent Event [Line Items]
Noncontrolling interest percentage	16.00%
Rhapsody America LLC
Subsequent Event [Line Items]
Percentage of shares acquired	42.00%
Total equity interest in acquiree	84.00%
Initial cash consideration	$ 1,000,000
Consideration paid at closing	200,000
Additional amount paid to seller	14,000,000
Full amount to be paid to seller	$ 40,000,000
Existing equity interest	42.00%
Business Combination, Acquisition Related Costs		$ 700,000
Rhapsody America LLC
Subsequent Event [Line Items]
Proceeds from sale of interest in acquiree	$ 15,000,000
Maximum \| Rhapsody America LLC
Subsequent Event [Line Items]
Additional amount paid to seller	25,000,000
Minimum \| Rhapsody America LLC
Subsequent Event [Line Items]
Proceeds from sale of interest in acquiree	$ 60,000,000

Business Combination, Step Acquisition, Additional Cash Payment

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- Definition

Business Combination, Step Acquisition, Additional Cash Payment, Maximum Amount

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- Definition

Business Combination, Step Acquisition, Initial Cash Consideration

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No definition available.

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Business Combination, Step Acquisition, Initial Cash Consideration, Amount Paid At Closing

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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- Definition

Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

+ References

No definition available.

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- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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