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

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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The average effective interest rate during the reporting period.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

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Amount of increase (decrease) of the credit facility.

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The effective interest rate during the reporting period.

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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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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, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.

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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 rate subject to change from time to time.

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Ratio applied to debt instrument into equity with equity shares divided by debt principal amount.

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The effective interest rate during the first two year of reporting periods.

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The effective interest rate during the fifth year of reporting periods.

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BORROWINGS, Credit Facilities (Details) - USD ($)	3 Months Ended	9 Months Ended
BORROWINGS, Credit Facilities (Details) - USD ($)	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 05, 2013
Debt Instruments [Abstract]
Aggregate amount of notes payable	$ 150,638,000	$ 150,638,000		$ 185,555,000
Principal payments on notes payable		2,874,000	$ 496,000
Notes Payable Related to Acquisitions [Member]
Debt Instruments [Abstract]
Outstanding amount	5,300,000	5,300,000
Aggregate amount of notes payable	1,800,000	1,800,000
Principal payments on notes payable		2,900,000
Aggregate principal payment due in 2023	1,600,000	1,600,000
Aggregate principal payment due in 2024	2,400,000	2,400,000
Aggregate principal payment due in 2025	1,300,000	$ 1,300,000
Notes Payable Related to Acquisitions [Member] \| Minimum [Member]
Debt Instruments [Abstract]
Average effective interest rate		3.25%
Notes Payable Related to Acquisitions [Member] \| Maximum [Member]
Debt Instruments [Abstract]
Average effective interest rate		8.00%
Term Facility [Member]
Debt Instruments [Abstract]
Revolving credit facility commitment	150,000,000	$ 150,000,000
Frequency of term facility		quarterly
Interest rate on credit facility in first two years		0.625%
Interest rate on credit facility in third and fourth year		1.25%
Interest rate on credit facility in fifth year		1.875%
Outstanding amount	145,300,000	$ 145,300,000
Aggregate amount of notes payable	145,313,000	145,313,000		148,125,000
Revolving Facility [Member]
Debt Instruments [Abstract]
Revolving credit facility commitment	175,000,000	$ 175,000,000			$ 125,000,000
Term of credit facility		5 years
Outstanding amount	0	$ 0
Aggregate amount of notes payable	0	$ 0		$ 31,000,000
Revolving Facility [Member] \| Minimum [Member]
Debt Instruments [Abstract]
Percentage of unused commitment fee		0.25%
Revolving Facility [Member] \| Maximum [Member]
Debt Instruments [Abstract]
Increase on limit of credit facility		$ 50,000,000
Percentage of unused commitment fee		0.35%
Standby Letters of Credit [Member]
Debt Instruments [Abstract]
Revolving credit facility commitment	12,000,000	$ 12,000,000
Swingline Loans [Member]
Debt Instruments [Abstract]
Revolving credit facility commitment	$ 15,000,000	$ 15,000,000
Swingline Loans [Member] \| SOFR [Member] \| Minimum [Member]
Debt Instruments [Abstract]
Applicable margin for SOFR borrowings rate	1.50%	1.50%
Swingline Loans [Member] \| SOFR [Member] \| Maximum [Member]
Debt Instruments [Abstract]
Applicable margin for SOFR borrowings rate	2.25%	2.25%
Swingline Loans [Member] \| Alternate Base Rate [Member] \| Minimum [Member]
Debt Instruments [Abstract]
Spread on variable rate		0.50%
Swingline Loans [Member] \| Alternate Base Rate [Member] \| Maximum [Member]
Debt Instruments [Abstract]
Spread on variable rate		1.25%
Senior Credit Facility [Member]
Debt Instruments [Abstract]
Debt instrument, maturity date		Jun. 17, 2027
Aggregate principal amount	$ 325,000,000	$ 325,000,000
Increase on limit of credit facility		$ 100,000,000
Leverage ratio		2
Remaining revolving credit outstanding	$ 175,000,000	$ 175,000,000
Interest rate	5.60%	5.70%