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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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- Definition

Senior notes held by special purpose entity.

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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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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	Mar. 31, 2022	Dec. 31, 2021
Financial instruments and fair value measurements
Investments held by special purpose entities		$ 205,131	$ 205,513
Senior Notes held by special purpose entity		177,637	177,566
Variable Interest Entity, Primary Beneficiary
Financial instruments and fair value measurements
Investments held by special purpose entities		205,131	205,513
Senior Notes held by special purpose entity		177,637	$ 177,566
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)		4.00%
Panama City Timber Finance Company, LLC \| U.S. Treasury Bills
Financial instruments and fair value measurements
Investments held by special purpose entities		$ 4,700
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		177,600
Unamortized discount and debt issuance costs		$ 2,400