The maximum percentage of the acquisition of beneficial ownership of the Company's equity securities.

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Debt instrument commencement date of quarterly payments.

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No definition available.

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Number of quarterly payments of term loan.

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

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

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

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Amount of the required periodic payments including both interest and principal payments.

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- Definition

Weighted average interest rate of debt outstanding.

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No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of increase (decrease) of the credit facility.

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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 fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt (Details Textual)		1 Months Ended	12 Months Ended
Debt (Details Textual)	Jul. 31, 2015 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2016 USD ($) Installment	Dec. 31, 2015 USD ($)
Long-term Debt			$ 185,747,000
Gains (Losses) on Extinguishment of Debt			$ 18,000	$ (1,174,000)
Financing Facility [Member] \| Centennial Bank [Member]
Line of Credit Facility, Increase (Decrease), Net		$ 17,500,000
Repayments of Lines of Credit	$ 10,700,000
Gains (Losses) on Extinguishment of Debt				$ (1,200,000)
Amended Credit Agreement [Member]
Debt, Weighted Average Interest Rate			3.30%
Amended Credit Agreement [Member] \| Maximum [Member]
Beneficial Ownership Threshold			30.00%
Amended Credit Agreement [Member] \| Federal Funds Effective Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Amended Credit Agreement [Member] \| Eurodollar [Member]
Debt Instrument, Basis Spread on Variable Rate			1.00%
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 50,000,000
Long-term Debt			$ 30,000,000
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.25%
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.30%
Amended Credit Agreement [Member] \| Term Loan [Member]
Debt Instrument, Face Amount			$ 160,000,000
Long-term Debt			$ 150,000,000
Amended Credit Agreement [Member] \| Term Loan [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Maturity Date			Jul. 31, 2020
Amended Credit Agreement [Member] \| Loans Payable [Member] \| Debt Instrument, Redemption, Period One [Member]
Number Of Quarterly Payment Of Term Loan \| Installment			7
Debt Instrument, Periodic Payment			$ 3,000,000
Debt Instrument, Commencement Date of Quarterly Payments			Mar. 31, 2017
Amended Credit Agreement [Member] \| Loans Payable [Member] \| Debt Instrument, Redemption, Period Two [Member]
Number Of Quarterly Payment Of Term Loan \| Installment			4
Debt Instrument, Periodic Payment			$ 4,000,000
Debt Instrument, Commencement Date of Quarterly Payments			Dec. 31, 2018
Amended Credit Agreement [Member] \| Loans Payable [Member] \| Debt Instrument, Redemption, Period Three [Member]
Number Of Quarterly Payment Of Term Loan \| Installment			3
Debt Instrument, Periodic Payment			$ 6,000,000
Debt Instrument, Commencement Date of Quarterly Payments			Dec. 31, 2019
Amended Credit Agreement [Member] \| Loans Payable [Member] \| Debt Instrument, Redemption, Period Four [Member]
Debt Instrument, Periodic Payment			$ 95,000,000
Debt Instrument, Commencement Date of Quarterly Payments			Jul. 31, 2020