The amount of conversion price per share of convertible preferred stock.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Number of shares issued for each share of convertible preferred stock that is converted.

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- Definition

The amount per share used to calculated dividend payments on preferred stock.

+ References

No definition available.

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The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Stockholders' Equity - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2018	Dec. 31, 2017	Dec. 31, 2018	May 07, 2018
Stockholders' Equity
Shares Authorized (in shares)		76,894,620	10,000,000
Shares Issued (in shares)		76,235,050	0
Shares Outstanding (in shares)		76,235,050	0
Carrying Value		$ 119,106	$ 0
Dividend rate		8.00%
Convertible preferred stock outstanding (in shares)
Stockholders' Equity
Shares Authorized (in shares)		76,894,620
Shares Issued (in shares)		76,235,050
Shares Outstanding (in shares)		76,235,050
Carrying Value		$ 119,106
Series A convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		5,375,507
Shares Issued (in shares)		5,375,507
Shares Outstanding (in shares)		5,375,507
Carrying Value		$ 5,037
Liquidation Preference per Share (in dollars per share)		$ 1.00
8% Dividend per Share (in dollars per share)		0.08
Conversion Price per Share (in dollars per share)		$ 6.65
Series B convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		8,706,909
Shares Issued (in shares)		8,706,909
Shares Outstanding (in shares)		8,706,909
Carrying Value		$ 15,913
Liquidation Preference per Share (in dollars per share)		$ 1.84
8% Dividend per Share (in dollars per share)		0.15
Conversion Price per Share (in dollars per share)		$ 9.91
Series C convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		14,091,589
Shares Issued (in shares)		13,829,906
Shares Outstanding (in shares)		13,829,906
Carrying Value		$ 14,949
Liquidation Preference per Share (in dollars per share)		$ 1.07
8% Dividend per Share (in dollars per share)		0.09
Conversion Price per Share (in dollars per share)		$ 7.12
Series D convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		5,683,292
Shares Issued (in shares)		5,683,292
Shares Outstanding (in shares)		5,683,292
Carrying Value		$ 6,043
Liquidation Preference per Share (in dollars per share)		$ 1.07
8% Dividend per Share (in dollars per share)		0.09
Conversion Price per Share (in dollars per share)		$ 7.12
Series E convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		15,373,091
Shares Issued (in shares)		15,267,175
Shares Outstanding (in shares)		15,267,175
Carrying Value		$ 39,848
Liquidation Preference per Share (in dollars per share)		$ 2.62
8% Dividend per Share (in dollars per share)		0.21
Conversion Price per Share (in dollars per share)		$ 15.16
Series F convertible preferred stock (in shares)
Stockholders' Equity
Shares Authorized (in shares)		27,664,232
Shares Issued (in shares)		27,372,261
Shares Outstanding (in shares)		27,372,261
Carrying Value		$ 37,316
Liquidation Preference per Share (in dollars per share)		$ 1.37
8% Dividend per Share (in dollars per share)		0.11
Conversion Price per Share (in dollars per share)		$ 9.11
IPO
Stockholders' Equity
Shares Issued (in shares)			0
IPO \| Convertible preferred stock outstanding (in shares)
Stockholders' Equity
Number of shares converted (in shares)	76,235,050
Value of shares converted	$ 119,100
IPO \| Common Stock
Stockholders' Equity
Shares issued upon conversion (in shares)	12,111,710			12,111,710