Accounts Receivable, Net And Other Receivables And Finance Loans Receivable, Net (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024		Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from disposal of equity-accounted investment (Note 6)		$ 0	$ 3,508,000	$ 0	$ 3,508,000
Accounts receivable, trade, gross		23,258,000		23,258,000		$ 14,503,000
Financing Receivable, Credit Loss, Expense (Reversal)		0	$ 0	0	$ (250,000)
Finance loans receivable, net		49,529,000		49,529,000		$ 44,058,000	[1]
Asset Pledged as Collateral [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance loans receivable, net		$ 13,600,000		$ 13,600,000
Investment In Cedar Cellular Investment One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Equity ownership percentage		7.625%		7.625%
Investment In Cedar Cellular Investment One [Member] | Notes 8.625 Percent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt instrument stated interest rate		8.625%		8.625%
Microlending Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term of operated lending book				5 years
Receivable, lifetime loss rate				6.50%		6.50%
Performing component percent of outstanding lending book		98.00%		98.00%		98.00%
Finance loans receivable, net		$ 35,196,000		$ 35,196,000		$ 28,184,000
Microlending Finance [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans to customer tenor term				9 months
Microlending Finance [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans to customer tenor term				6 months
Carbon Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from disposal of equity-accounted investment (Note 6)	$ 750,000
Accounts receivable, trade, gross		750,000		$ 750,000		3,000,000.0
Allowance for doubtful loans receivable								$ 750,000
Notes Receivable One [Member] | Investment In Cedar Cellular Investment One [Member] | Cedar Cellular Investment1 Ltd [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of investment in a note		$ 0		$ 0		$ 0
Merchant Finance Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable, lifetime loss rate				1.18%		1.18%
Performing component percent of outstanding lending book		85.00%		85.00%		84.00%
Under-performing component percent of outstanding lending book		15.00%		15.00%		15.00%
Non-performing component percent of outstanding lending book		0.00%		0.00%		1.00%
Finance loans receivable, net		$ 14,333,000		$ 14,333,000		$ 15,874,000
Merchant Finance Loans [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans to customer tenor term				12 months
Merchant Finance Loans [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans to customer tenor term				8 months

[1] (A) – Derived from audited financial statements