Consolidated tangible net worth.

No definition available.

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- Definition

Debt Instrument Maturity Date 2

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- Definition

Debt Instrument Maturity Year

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No definition available.

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- Definition

Discount rate

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No definition available.

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- Definition

Insurance Premium Notes

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No definition available.

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- Definition

Subsidiaries’ (on a consolidated basis) ratio of EBITDA to cash interest expense.

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No definition available.

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- Definition

Letter Of Credit Sublimit

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No definition available.

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Subsidiaries’ (on a consolidated basis) ratio of debt to tangible net worth.

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No definition available.

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- Definition

Liquidity value.

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No definition available.

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- Definition

Percentage of proceeds from equity issuance.

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No definition available.

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Percentage of subsidiaries' consolidated net income.

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No definition available.

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- Definition

Ratio of the book value of all risk assets owned by the company and the subsidiaries to the company's tangible net worth.

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No definition available.

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- Definition

Uncommitted Option To Increase Credit Facility

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

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

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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.

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No definition available.

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- Definition

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

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Amount of increase (decrease) of the credit facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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No definition available.

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Notes Payable and Revolving Line of Credit (Narrative) (Details)						1 Months Ended					3 Months Ended
	Feb. 24, 2017 USD ($)	Aug. 19, 2016 USD ($)	Jul. 31, 2015 USD ($)	Jul. 30, 2015 USD ($)	Oct. 21, 2014 USD ($)	Jan. 31, 2017 USD ($)	Oct. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Feb. 28, 2015 USD ($)	May 31, 2014 USD ($)	Mar. 31, 2017 USD ($)	Feb. 23, 2017 USD ($)	Dec. 31, 2016 USD ($)	Aug. 18, 2016 USD ($)	Dec. 22, 2015 USD ($)	Dec. 21, 2015 USD ($)
Debt Instrument [Line Items]
Line of credit facility, outstanding amount											$ 65,000,000		$ 195,000,000
Insurance premium notes, outstanding											$ 4,417,000		$ 5,999,000
Initial Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount										$ 200,000,000
Net proceeds from issuance of senior debt										$ 193,300,000
Interest rate										6.875%
Discount rate										99.239%
Maturity year										2022
Initial Exchange Notes [Member]
Debt Instrument [Line Items]
Principal amount									$ 200,000,000
Interest rate									6.875%
Maturity year									2022
April 2015 Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount								$ 60,000,000
Net proceeds from issuance of senior debt								$ 58,500,000
Interest rate								6.875%
Discount rate								98.26%
Maturity year								2022
October 2015 Exchange Notes [Member]
Debt Instrument [Line Items]
Principal amount							$ 60,000,000
Interest rate							6.875%
Maturity year							2022
Insurance Premium Note [Member]
Debt Instrument [Line Items]
Interest rate											3.88%
Maturity date											2017-12
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility. maximum borrowing capacity					$ 80,000,000
Letter of credit sublimit					20,000,000
Covenant description											The Credit Agreement also requires us to maintain (i) a leverage ratio of not more than 1.50 to 1.0 as of the last day of any fiscal quarter, based upon our and our subsidiaries' (on a consolidated basis) ratio of debt to tangible net worth, (ii) an interest coverage ratio of not less than 1.50 to 1.0 for any four fiscal quarter period, based upon our and our subsidiaries' (on a consolidated basis) ratio of EBITDA to cash interest expense, (iii) a consolidated tangible net worth of not less than the sum of $250 million, plus 50% of the net proceeds of any issuances of equity interests by us and the guarantors of the Revolving Credit Facility, plus 50% of the amount of our and our subsidiaries' consolidated net income, (iv) liquidity of not less than $25 million, and (v) a risk asset ratio of not more than 1.25 to 1.0, based upon the ratio of the book value of all risk assets owned by us and our subsidiaries to our tangible net worth. As of March 31, 2017, we were in compliance with all covenants under the Credit Agreement.
Commitment fee percentage											0.20%
Consolidated tangible net worth											$ 250,000,000
Percentage of proceeds from equity issuance											50.00%
Percentage of subsidiaries' consolidated net income											50.00%
Liquidity value											$ 25,000,000
Revolving Credit Facility [Member] \| Texas Capital Bank [Member]
Debt Instrument [Line Items]
Maturity date				Oct. 21, 2017
Line of credit facility. maximum borrowing capacity				$ 120,000,000	$ 120,000,000
Revolving Credit Facility [Member] \| Minimum
Debt Instrument [Line Items]
Leverage ratio											1.0
Interest coverage ratio											1.0
Risk asset ratio											1.0
Revolving Credit Facility [Member] \| Maximum
Debt Instrument [Line Items]
Leverage ratio											1.50
Interest coverage ratio											1.50
Risk asset ratio											1.25
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate											2.75%
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate											3.25%
Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate											1.75%
Revolving Credit Facility [Member] \| Base Rate [Member] \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate											2.25%
Revolving Credit Facility [Member] \| First Modification Agreement [Member] \| Texas Capital Bank [Member]
Debt Instrument [Line Items]
Line of credit facility. maximum borrowing capacity			$ 200,000,000													$ 200,000,000
Revolving Credit Facility [Member] \| First Modification Agreement [Member] \| Texas Capital Bank [Member] \| Extended Maturity [Member]
Debt Instrument [Line Items]
Maturity date			Oct. 21, 2018
Revolving Credit Facility [Member] \| First Modification Agreement [Member] \| Bank of America [Member]
Debt Instrument [Line Items]
Uncommitted option to increase credit facility			$ 100,000,000	$ 80,000,000
Revolving Credit Facility [Member] \| Second Modification Agreement [Member] \| Texas Capital Bank [Member]
Debt Instrument [Line Items]
Line of credit facility. maximum borrowing capacity															$ 300,000,000
Revolving Credit Facility [Member] \| Third Modification Agreement [Member] \| Texas Capital Bank [Member]
Debt Instrument [Line Items]
Maturity date		Oct. 21, 2019
Line of credit facility. maximum borrowing capacity		$ 380,000,000												$ 300,000,000
Line of credit facility, increased amount		$ 80,000,000
Revolving Credit Facility [Member] \| Commitment Increase Agreement [Member] \| Texas Capital Bank [Member]
Debt Instrument [Line Items]
Line of credit facility. maximum borrowing capacity	$ 400,000,000											$ 380,000,000
Line of credit facility, increased amount	$ 20,000,000
January 2017 Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount						$ 125,000,000
Interest rate						6.875%
Maturity year						2022
January 2017 Senior Notes And Existing Notes [Member]
Debt Instrument [Line Items]
Maturity date											2022-05