Debt Instrument, Principal Amount

No definition available.

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- Definition

Debt Instrument, Redemption Condition, Stock Value Exceeding Percentage of Conversion Price

+ References

No definition available.

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- Definition

Debt Instrument, Redemption Price, Percentage, Fundamental Change

+ References

No definition available.

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- Definition

Initial Conversion Price Of Stock

+ References

No definition available.

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- Definition

Initial Conversion Rate Of Notes

+ References

No definition available.

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- Definition

Underwriting Discount

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

+ References

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-Subparagraph (SX 210.9-03.15(5))
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- Definition

Face amount or stated value per share of common stock.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

The amount of cash paid for interest during the period.

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- Definition

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

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Convertible Notes (Details) - USD ($)		1 Months Ended	12 Months Ended
Convertible Notes (Details) - USD ($)	Feb. 04, 2014	Feb. 28, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Common stock, par value (usd per share)	$ 0.001		$ 0.001	$ 0.001
Proceeds from issuance of convertible notes, net			$ 0	$ 0	$ 195,213,000
Acquisition, net of cash acquired		$ 113,200,000	0	0	113,190,000
Interest expense			5,820,000	5,808,000	5,344,000
Accrued interest			2,300,000	2,300,000
Cash paid for interest			5,534,000	5,538,000	2,750,000
Convertible Debt \| Senior Convertible Notes due 2034
Debt Instrument [Line Items]
Principal amount of Notes	$ 201,300,000		$ 201,300,000
Interest rate on notes	2.75%		2.75%
Initial conversion rate of notes (shares)	17.8750
Principal amount of notes	$ 1,000
Initial conversion price of stock (usd per share)	$ 55.94
Debt instrument redemption price when undergo fundamental change	100.00%
Proceeds from issuance of convertible notes, net		195,200,000
Debt issuance costs		1,100,000
Underwriting discount		$ 6,000,000
Interest expense			$ 5,800,000	5,800,000	$ 5,300,000
Cash paid for interest			$ 5,500,000	$ 5,500,000
February 6, 2018 - February 6, 2021 \| Convertible Debt \| Senior Convertible Notes due 2034
Debt Instrument [Line Items]
Debt redemption conditioned upon common stock value exceeding a percentage of the conversion price	130.00%
On or after February 6, 2021 \| Convertible Debt \| Senior Convertible Notes due 2034
Debt Instrument [Line Items]
Debt instrument redemption price	100.00%
February 5, 2021, February 6, 2024, and February 6, 2029 \| Convertible Debt \| Senior Convertible Notes due 2034
Debt Instrument [Line Items]
Debt instrument redemption price	100.00%