Debt - Credit Agreement - Narrative (Details) - Subsequent Event	Apr. 02, 2020 USD ($)
Revolving Credit Facility \| Standard Chartered Bank Credit Agreement
Debt Instrument [Line Items]
Borrowing amount	$ 130,000,000
Maturity period prior to the final maturity of unsecured senior notes	60 days
Extension fee percentage	0.25%
Basis spread on variable rate	0.25%
Current borrowing amount	$ 95,000,000
Loss on extinguishment of debt	100,000
Debt issuance costs	$ 2,000,000
Revolving Credit Facility \| Standard Chartered Bank Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Revolving Credit Facility \| Wells Fargo Credit Agreement
Debt Instrument [Line Items]
Repayment of debt	$ 16,800,000
Unsecured senior notes \| 5.50% Senior Notes
Debt Instrument [Line Items]
Redeemed and discharged debt	$ 55,000,000

Debt Instrument, Extension Fee

No definition available.

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- Definition

Line of Credit Facility, Expiration Period Prior To Final Maturity Of Senior Notes

+ References

No definition available.

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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

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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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

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

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 current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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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.

+ References

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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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