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- Definition

Amount of investments held by special purpose entity.

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Issue price of notes as a percent of the face value.

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Period of time between issuance and maturity of note receivable, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Senior notes held by special purpose entity.

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- Definition

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

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

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Amount, after accumulated amortization, of debt discount (premium).

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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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No definition available.

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- Definition

Rate of interest on investment.

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Financial Instruments and Fair Value Measurements - Held by Special Purpose Entities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Sep. 30, 2019	Dec. 31, 2018
Financial instruments and fair value measurements
Investments held by special purpose entities		$ 206,728	$ 207,384
Senior Notes held by special purpose entity		176,962	$ 176,775
Panama City Timber Finance Company, LLC \| 2014 real estate sale
Financial instruments and fair value measurements
Notes received as consideration in sale of real estate	$ 200,000
Promissory notes maturity period	15 years
Panama City Timber Finance Company, LLC \| Time deposit
Financial instruments and fair value measurements
Investments held by special purpose entities		$ 200,000
Investment interest rate (as a percent)		0.04%
Panama City Timber Finance Company, LLC \| U.S. Treasury securities
Financial instruments and fair value measurements
Investments held by special purpose entities		$ 6,300
Panama City Timber Finance Company, LLC \| Cash
Financial instruments and fair value measurements
Investments held by special purpose entities		400
Northwest Florida Timber Finance, LLC
Financial instruments and fair value measurements
Loan amount	$ 180,000
Debt interest rate (as a percent)	4.80%
Issue price of senior secured notes (as a percent)	98.50%
Senior Notes held by special purpose entity		177,000
Unamortized discount and debt issuance costs		$ 3,000