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Debt - Additional Information (Details) - USD ($)							6 Months Ended
Debt - Additional Information (Details) - USD ($)	Aug. 05, 2025	Oct. 18, 2024	Sep. 30, 2024	Jun. 26, 2024	Feb. 28, 2024	May 21, 2021	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Debt (Details) [Line Items]
Line of credit interest rate							7.50%
Line of credit, description							As of December 31, 2023, the Revolving Loan had an interest rate equal to the greater of (1) the Prime Rate plus the applicable margin and (2) 3.25%. The applicable margin is derived from a floating rate grid based upon the ratio of debt to book equity of CAL and increases from 0% at a ratio of 0.25 to 1 to 1.25% at a ratio of 1.5 to 1. The Revolving Loan had an aggregate commitment of $100.0 million, and a maturity date of the earlier of (i) December 16, 2024 and (ii) the date on which the Revolving Loan is terminated pursuant to the terms of the Revolving Loan agreement.
Revolving loan commitment amount						$ 100,000,000
Unamortized debt issuance costs							$ 203,382		$ 305,075
Net borrowings							16,200,000
Repayments							16,200,000
Revolving loan							38,800,000
Maximum capital expenditures							150,000
Stockholders' equity			$ 310,028,390				310,028,390	$ 310,780,047	$ 308,958,097	$ 292,724,905	$ 285,960,777	$ 271,853,391
Unsecured Notes due 2028 [Member]
Debt (Details) [Line Items]
Debt issuance cost under of credit facility arrangement		$ 900,000
Contractual maturity date		Oct. 18, 2028
Loan commitment		$ 50,000,000
Contractual term		4 years
Commitment interest rate		9.00%
Event Of Prepayment Prior To First Anniversary Of Closing Date [Member] \| Unsecured Notes due 2028 [Member]
Debt (Details) [Line Items]
Percentage of prepayment penalty		3.00%
Event of Prepayment Prior to Second Anniversary of Closing Date [Member] \| Unsecured Notes due 2028 [Member]
Debt (Details) [Line Items]
Percentage of prepayment penalty		2.00%
Amortized Cost [Member]
Debt (Details) [Line Items]
Amortized cost							$ 163,400,000
Minimum [Member]
Debt (Details) [Line Items]
Revolving loan commitment amount			105,000,000	$ 100,000,000
Debt service coverage ratio							1.35
Minimum [Member] \| Unsecured Notes due 2028 [Member]
Debt (Details) [Line Items]
Stockholders' equity		$ 200,000,000
Minimum [Member] \| Debt to Equity Ratio of 0.25 to 1 [Member]
Debt (Details) [Line Items]
Line of credit interest rate						0.00%	0.00%
Maximum [Member]
Debt (Details) [Line Items]
Line of credit interest rate						3.25%	3.25%
Revolving loan commitment amount			$ 110,000,000	$ 105,000,000
Leverage ratio							1.5
Maximum [Member] \| Unsecured Notes due 2028 [Member]
Debt (Details) [Line Items]
Aggregate indebtedness		$ 225
Maximum [Member] \| Debt to Equity Ratio of 0.25 to 1 [Member]
Debt (Details) [Line Items]
Ratio of debt to equity						0.25	0.25
Maximum [Member] \| Debt to Equity Ratio of 1.5 to 1 [Member]
Debt (Details) [Line Items]
Line of credit interest rate						1.25%	1.25%
Ratio of debt to equity						1.5	1.5
Revolving Credit Facility [Member]
Debt (Details) [Line Items]
Debt issuance cost under of credit facility arrangement					$ 100,000
Debt, description							Additionally, the Company must comply with certain financial covenants including: (1) maximum capital expenditures of $150,000, (2) maintaining a debt service coverage ratio greater than 1.35 to 1, and (3) maintaining a leverage ratio less than 1.50 to 1. As of June 30, 2025, the Company is in compliance with all financial covenants with respect to the Revolving Loan.
Contractual maturity date							Jun. 30, 2026
Revolving Credit Facility [Member] \| Subsequent Event [Member]
Debt (Details) [Line Items]
Debt issuance cost under of credit facility arrangement	$ 100,000
Revolving Credit Facility [Member] \| Extended Maturity [Member]
Debt (Details) [Line Items]
Contractual maturity date					Jun. 30, 2026
Revolving Credit Facility [Member] \| Extended Maturity [Member] \| Subsequent Event [Member]
Debt (Details) [Line Items]
Contractual maturity date	Jun. 30, 2028
Revolving Credit Facility [Member] \| Minimum [Member]
Debt (Details) [Line Items]
Revolving loan commitment amount							$ 110,000,000
Revolving Credit Facility [Member] \| Maximum [Member]
Debt (Details) [Line Items]
Revolving loan commitment amount					$ 150,000,000		$ 150,000,000