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Debt Instruments - Long-Term Debt (Details)		1 Months Ended	3 Months Ended
Debt Instruments - Long-Term Debt (Details)	Sep. 21, 2018 USD ($)	Nov. 30, 2017 USD ($) property	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Notes payable, current portion			$ 15,331,000	$ 11,133,000
Sale leaseback transaction, amount due under financing arrangement			84,100,000
Master Sale-Leaseback Agreement
Debt Instrument [Line Items]
Sale leaseback transaction, number of properties sold and leased back at amount equal to the repurchase price (or more) \| property		1
Sale leaseback transaction, maximum sales price of properties sold and leasing back		$ 75,000,000.0
Sale leaseback, repurchase price				28,800,000
Sale leaseback transaction, additional amount company may sell and lease back			$ 75,000,000.0	75,000,000.0
Minimum
Debt Instrument [Line Items]
Sale leaseback transaction, expiration period			15 years
Maximum
Debt Instrument [Line Items]
Sale leaseback transaction, expiration period			20 years
Sale leaseback transaction, renewal period (up to)			20 years
Senior Notes \| Senior Unsecured Notes Effective September 2018
Debt Instrument [Line Items]
Face amount	$ 350,000,000.0
Interest rate	8.875%
Long-term debt			$ 343,300,000	342,900,000
Senior Notes \| Senior Unsecured Notes Effective September 2018 \| Verde Investments, Inc. \| Affiliated Entity
Debt Instrument [Line Items]
Long-term debt			$ 15,000,000.0	$ 15,000,000.0
Senior Notes \| Senior Unsecured Notes Effective September 2018 \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price, percentage of principal amount redeemed	35.00%
Redemption price, percentage	108.875%
Senior Notes \| Senior Unsecured Notes Effective September 2018 \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price, percentage	101.00%
Notes Payable, Other Payables \| Promissory Note
Debt Instrument [Line Items]
Weighted average interest rate			6.10%
Notes payable			$ 32,900,000
Notes payable, current portion			$ 8,200,000
Notes Payable, Other Payables \| Promissory Note \| Minimum
Debt Instrument [Line Items]
Debt instrument, term			2 years
Notes Payable, Other Payables \| Promissory Note \| Maximum
Debt Instrument [Line Items]
Debt instrument, term			5 years