Total number of share held by related party.

No definition available.

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- Definition

Total percentage of common stock held by related parties.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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- Definition

Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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- Definition

Amount of transactions with related party during the financial reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
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Certain Relationships and Related Transactions (Details) - USD ($)		3 Months Ended	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2015	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Apr. 18, 2017
Emmett Wood [Member]
Related party transactions compensation [Abstract]
Compensation to related parties			$ 1,238,000	$ 529,000	$ 552,000
Number of shares held by related party (in shares)			682,502	682,502
Emmett Wood [Member] \| Class A Common Stock [Member]
Related party transactions compensation [Abstract]
Number of shares held by related party (in shares)						50,000
Porter [Member]
Related party transactions compensation [Abstract]
Proceeds from related party, debt		$ 2,500,000
Debt instrument, fixed interest rate	12.00%	12.00%					6.00%
Debt instrument, first interest payment due date			Aug. 20, 2015
Debt instrument, last principal and interest payment date	Jul. 01, 2017		Jul. 25, 2022
Interest expense, related party			$ 319,000	$ 330,000	$ 308,000
Porter [Member] \| Class A Common Stock [Member]
Related party transactions compensation [Abstract]
Common stock held by related parties	35.00%	35.00%