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Debt - Long-term Debt (Details) $ in Thousands			9 Months Ended
Debt - Long-term Debt (Details) $ in Thousands	Dec. 19, 2021	Aug. 20, 2019	Sep. 30, 2023 USD ($) property	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Total debt, principal amount			$ 117,357	$ 122,011
Less: debt issuance costs			(269)	(302)
Total			117,088	121,709
Less: current portion			(5,868)	(6,266)
Long-term debt			111,220	115,443
Bank of America
Debt Instrument [Line Items]
Total debt, principal amount			$ 3,942	4,315
Number of real properties secured \| property			1
Bank of America \| Mortgage-Secured Term Loans \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%		2.50%
Bank of America \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage			4.28%
Bank of America \| Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage			5.80%
East West Bank
Debt Instrument [Line Items]
Total debt, principal amount			$ 5,720	5,822
Number of real properties secured \| property			4
East West Bank \| Mortgage-Secured Term Loans \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.29%
East West Bank \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage			4.40%
Collateral amount			$ 1,800
East West Bank \| Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage			9.00%
Collateral amount			$ 2,900
JP Morgan Chase
Debt Instrument [Line Items]
Total debt, principal amount			107,647	111,714
JP Morgan Chase \| Assets Held by Subsidiaries
Debt Instrument [Line Items]
Collateral amount			107,500	111,400
JP Morgan Chase \| Vehicles and Equipment
Debt Instrument [Line Items]
Collateral amount			$ 100	300
JP Morgan Chase \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage			6.77%
JP Morgan Chase \| Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage			7.14%
Other finance institutions
Debt Instrument [Line Items]
Total debt, principal amount			$ 48	$ 160
Other finance institutions \| Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage			5.99%
Other finance institutions \| Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage			6.14%