Debt instrument convertible conversion price denomination value.

No definition available.

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Period Type:	duration

- Definition

Senior notes pricing.

+ References

No definition available.

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

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

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Period Type:	instant

- Definition

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

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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

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.

+ Details

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- Definition

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

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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

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

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

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- Definition

Amount, after tax, of interest recognized on convertible debt instrument excluding interest on principal required to be paid in cash.

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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 outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Borrowings - Additional Information (Detail) - USD ($)					1 Months Ended	12 Months Ended
Borrowings - Additional Information (Detail) - USD ($)	Mar. 01, 2021	Oct. 02, 2020	Jan. 17, 2017	Jul. 18, 2013	Feb. 28, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Loss on early extinguishment of borrowings, net						$ 0	$ (766,000)	$ (42,000)
6.625% Senior Notes Due 2021 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount				$ 225,000,000
Interest rate				6.625%
Due date				Jul. 15, 2021
Aggregate principal amount of senior notes pricing				99.50%
Redemption price plus accrued, unpaid interest and special interest to the date of redemption		100.00%
Interest expense related to debt							$ 11,926,000
Debt Instrument, Repurchased Face Amount		$ 224,250,000
Loss on early extinguishment of borrowings, net		766,000
Repayments of Debt		227,428,000
Debt Instrument, Repurchased Face Amount		$ 224,250,000
5.0% Exchangeable Senior Notes due March 2021 [Member] \| Exchangeable Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount			$ 86,250,000
Interest rate			5.00%			5.00%	5.00%	5.00%
Due date			Mar. 01, 2021				Mar. 01, 2021
Aggregate principal amount of senior notes pricing			5.00%
Convertible notes principal amount denomination value						$ 1,000
Conversion of converted notes, shares issued	10,144,131					121.1387
Exchange price						$ 8.26
Debt issuance costs paid			$ 5,902,000			$ 5,902,000
Interest expense related to the Exchangeable Notes						$ 958,000	$ 5,708,000
Debt Instrument, Repurchased Face Amount					$ 920,000				$ 1,590,000
Loss on early extinguishment of borrowings, net					(63,000)				234,000
Debt Instrument, Repurchased Face Amount					$ 920,000				$ 1,590,000