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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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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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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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- Definition

The effective interest rate during the reporting period.

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- Definition

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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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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 of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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Amount of cash and noncash consideration that could pay with respect to acquisition.

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No definition available.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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NOTES PAYABLE AND AMENDED CREDIT AGREEMENT (Details) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2016	Mar. 31, 2017	Jun. 30, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 05, 2013
Debt Instrument [Line Items]
Aggregate principal payment due in 2017			$ 2,345,000
Aggregate principal payment due in 2018			73,351,000
Notes Payable [Member] \| 2015 Acquisition [Member]
Debt Instrument [Line Items]
Aggregate amount of notes payable					$ 4,900,000
Aggregate principal payment due in 2017					525,000
Aggregate principal payment due in 2018					1,900,000
Aggregate principal payment due in 2019					$ 1,900,000
Payment of debt		$ 250,000		$ 575,000
Notes Payable [Member] \| 2016 Acquisition [Member]
Debt Instrument [Line Items]
Aggregate amount of notes payable				1,500,000
Aggregate principal payment due in 2017				250,000
Aggregate principal payment due in 2018				$ 819,000
Average effective interest rate				3.50%
Payment of debt			444,000
Notes Payable [Member] \| 2017 Acquisition [Member]
Debt Instrument [Line Items]
Aggregate amount of notes payable			1,700,000
Aggregate principal payment due in 2018			625,000
Aggregate principal payment due in 2019			$ 1,025,000
Average effective interest rate			4.00%
Minimum [Member]
Debt Instrument [Line Items]
Percentage of unused commitment fee			0.10%
Minimum [Member] \| Notes Payable [Member] \| 2015 Acquisition [Member]
Debt Instrument [Line Items]
Average effective interest rate					3.25%
Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate			1.50%
Minimum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Spread on variable rate			0.10%
Maximum [Member]
Debt Instrument [Line Items]
Percentage of unused commitment fee			0.25%
Maximum [Member] \| Notes Payable [Member] \| 2015 Acquisition [Member]
Debt Instrument [Line Items]
Average effective interest rate					4.00%
Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate			2.50%
Maximum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Spread on variable rate			1.00%
Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility commitment						$ 125,000,000
Revolving credit facility maturity date			Nov. 30, 2018
Remaining revolving credit outstanding			$ 56,000,000
Average effective interest rate			2.70%
Credit Agreement [Member]
Debt Instrument [Line Items]
Cash and noncash consideration with respect to acquisition after amendment	$ 50,000,000
Credit Agreement [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Cash dividends after amendment	$ 10,000,000		$ 15,000,000