Contractual Coupon Interest

No definition available.

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- Definition

Debt Instrument, Convertible, Redemption Percentage Of Principal Amount

+ References

No definition available.

+ Details

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- Definition

Debt instrument, extension circumstance period.

+ References

No definition available.

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- Definition

Debt instrument, extension period.

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No definition available.

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- Definition

Revolving credit facility, percentage repaid for no covenants.

+ References

No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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-SubTopic 20
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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

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

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

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

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

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

+ References

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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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

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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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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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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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Debt (Narrative) (Details)		3 Months Ended		6 Months Ended
Debt (Narrative) (Details)	Jun. 18, 2020 USD ($) $ / shares	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) item	Jun. 30, 2020 USD ($)	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 01, 2017 USD ($)
Line of Credit Facility [Line Items]
Credit facility repayments					$ 30,000,000
Proceeds from issuance of convertible debt					100,000,000
Adoption adjustment long-term debt		$ 309,702,000		$ 309,702,000			$ 291,663,000
Interest expense		4,900,000	$ 3,700,000	8,900,000	7,000,000.0
Debt issuance costs				$ 2,219,000	$ 3,647,000
Revolving credit facility, percentage repaid for no covenants				25.00%
Interest Expense [Member]
Line of Credit Facility [Line Items]
Debt issuance costs				$ 361,000
Debt extinguishment costs				$ 474,000
Convertible Senior Notes [Member]
Line of Credit Facility [Line Items]
Face value	$ 100,000,000.0
Interest rate on amounts borrowed	4.25%
Maturity date				Jul. 01, 2025
Proceeds from issuance of convertible debt	$ 96,500,000
Conversion ratio	42.6203
Conversion principle amount	$ 1,000
Conversion price \| $ / shares	$ 23.46
Debt fair value		$ 144,600,000		$ 144,600,000
Effective interest rate		5.05%		5.05%
Interest expense		$ 1,200,000		$ 2,400,000
Contractual coupon interest		156,000		156,000
Unamortized Debt Issuance Expense		$ 2,800,000		$ 2,800,000
Convertible Senior Notes [Member] \| Circumstance I [Member]
Line of Credit Facility [Line Items]
Conversion trading day threshold \| item				20
Conversion consecutive trading day threshold \| item				30
Conversion percentage of stock price threshold				130.00%
Convertible Senior Notes [Member] \| Circumstance II [Member]
Line of Credit Facility [Line Items]
Conversion principle amount				$ 1,000
Conversion trading day threshold \| item				5
Conversion consecutive trading day threshold \| item				5
Conversion percentage of stock price threshold				98.00%
Convertible Senior Notes [Member] \| Circumstance After July 5, 2023 [Member]
Line of Credit Facility [Line Items]
Conversion trading day threshold \| item				20
Conversion consecutive trading day threshold \| item				30
Conversion percentage of stock price threshold				130.00%
Conversion percentage of principal amount				100.00%
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments								$ 30,000,000.0
Secured Debt [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments								$ 255,000,000.0
Term Loan [Member] \| Amended Credit Agreement Two [Member] \| Circumstance I [Member]
Line of Credit Facility [Line Items]
Debt instrument, extension circumstance period				91 days
Term Loan [Member] \| Amended Credit Agreement Two [Member] \| Circumstance II [Member]
Line of Credit Facility [Line Items]
Debt instrument, extension circumstance period				182 days
Term Loan [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Credit facility margin				2.25%
Term Loan [Member] \| Base Rate [Member] \| Amended Credit Agreement Two [Member]
Line of Credit Facility [Line Items]
Credit facility margin				2.50%
Term Loan [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Credit facility margin				3.25%
Term Loan [Member] \| LIBOR [Member] \| Amended Credit Agreement Two [Member]
Line of Credit Facility [Line Items]
Credit facility margin				3.50%
Revolving Credit Facility And Term Loan [Member]
Line of Credit Facility [Line Items]
Debt issuance costs				$ 2,100,000
Amortization of the debt issuance costs				$ 1,800,000
Revolving Credit Facility And Term Loan [Member] \| Amended Credit Agreement Two [Member]
Line of Credit Facility [Line Items]
Debt instrument, extension period				2 years 6 months
Revolving Credit Facility And Term Loan [Member] \| Convertible Senior Notes [Member] \| Amended Credit Agreement Two [Member]
Line of Credit Facility [Line Items]
Interest rate on amounts borrowed		4.25%		4.25%
Accounting Standards Update 2020-06 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Line of Credit Facility [Line Items]
Adoption adjustment long-term debt							$ 20,400,000
Accounting Standards Update 2020-06 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Convertible Senior Notes [Member]
Line of Credit Facility [Line Items]
Adoption adjustment long-term debt						$ 100,000,000.0