Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

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- Definition

For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed.

+ References

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- Definition

The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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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.

+ Details

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Subsequent Events - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 02, 2019
Subsequent Event [Line Items]
Purchase of business		$ 0	$ 55,049	$ 6,258
Business Combination, Contingent Consideration, Liability		3,070	$ 3,440
Quarton
Subsequent Event [Line Items]
Business Acquisition, Transaction Costs		$ 1,900
Subsequent Event \| Quarton
Subsequent Event [Line Items]
Total estimated purchase price	$ 115,000
Purchase of business	75,000
Business Combination, Contingent Consideration, Liability					$ 40,000
Other Payments to Acquire Businesses	$ 300
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	1,033,950
Business Acquisition, Share price					$ 14.52