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Area of a real estate property.

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Note 21 - Commitments and Contingencies (Details Textual) $ in Thousands			1 Months Ended		3 Months Ended				9 Months Ended
	Jun. 02, 2021 USD ($)	Jan. 20, 2020 USD ($)	Sep. 30, 2021 USD ($) a ft²	Mar. 31, 2021 USD ($)	Sep. 30, 2021 USD ($) a ft²	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2021 USD ($) a ft²	Apr. 30, 2018
Loss Contingency, Estimate of Possible Loss			$ 4,800	$ 72,000	$ 4,800		$ 72,000		$ 4,800
Proceeds from Legal Settlements							$ 2,700
Litigation Settlement, Amount Awarded to Other Party		$ 900
Litigation Settlement Reimbursable Percentage of Future Losses		60.00%
Payments for Legal Settlements					100			$ 500
Liability for Unpaid Claims and Claims Adjustment Expense, Reported Claims, Amount			2,500		2,500				2,500
Escrow Deposit			2,000		2,000				2,000
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Total									500
Payments of Debt Issuance Costs									1,685
Short Term Investments Fair Value Disclosure			200		200			200	200
Restricted Cash, Total			$ 18,140		$ 18,140			30,571	$ 18,140
RoeCo Lafayette, LLC [Member]
Business Acquisition, Percentage of Voting Interests Acquired			100.00%		100.00%				100.00%
Business Combination, Consideration Transferred, Total			$ 15,400
Third Parties [Member]
Restricted Cash, Total			2,800		$ 2,800			1,000	$ 2,800
IWS [Member]
Restricted Cash, Total			13,400		13,400			$ 27,700	13,400
State and Provincial Regulatory Authorities [Member]
Restricted Cash, Total			$ 1,900		$ 1,900				$ 1,900
RoeCo Lafayette, LLC [Member] \| Real Property Located in Lafayette, Louisiana [Member]
Area of Real Estate Property (Acre) \| a			6.5		6.5				6.5
RoeCo Lafayette, LLC [Member] \| Building Located Lafayette, Louisiana [Member]
Area of Real Estate Property (Acre) \| ft²			29,000		29,000				29,000
Loans Payable [Member] \| Additional Mortgage [Member]
Payment for Management Fee	$ 10,400
Loans Payable [Member] \| TRT [Member] \| Additional Mortgage [Member]
Debt Instrument, Face Amount	15,000
Loans Payable [Member] \| TRT [Member] \| Additional Mortgage [Member] \| DGI-BNSF Corp [Member]
Payment for Management Fee						$ 10,600
Debt Instrument, Percentage of Total Net Proceeds						80.00%
Loans Payable [Member] \| TRT [Member] \| Additional Mortgage [Member] \| CMC Acquisition LLC [Member]
Payment for Management Fee						$ 2,700
Debt Instrument, Percentage of Total Net Proceeds						20.00%
Loans Payable [Member] \| TRT [Member] \| Additional Mortgage [Member] \| Third Parties [Member]
Payments of Debt Issuance Costs	$ 1,100
Senior Indebtedness [Member] \| RoeCo Lafayette, LLC [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt			$ 11,900		$ 11,900				$ 11,900
Junior Indebtedness [Member] \| RoeCo Lafayette, LLC [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt			$ 1,900		$ 1,900				$ 1,900
CMC [Member]
Noncontrolling Interest, Ownership Percentage by Parent										81.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners										19.00%
DGI-BNSF Corp [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				80.00%			80.00%
DGI-BNSF Corp [Member] \| Maximum [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				40.00%			40.00%
Litigation Settlement, Amount Awarded to Other Party				$ 30,600
DGI-BNSF Corp [Member] \| Minimum [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				32.10%			32.10%
CMC Acquisition LLC [Member]
Noncontrolling Interest, Ownership Percentage by Parent				20.00%			20.00%
Litigation Settlement, Amount Awarded from Other Party				$ 1,500
CMC Acquisition LLC [Member] \| Maximum [Member]
Noncontrolling Interest, Ownership Percentage by Parent				48.60%			48.60%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				11.40%			11.40%
Proceeds from Legal Settlements				$ 40,000
CMC Acquisition LLC [Member] \| Minimum [Member]
Noncontrolling Interest, Ownership Percentage by Parent				55.00%			55.00%
CRIC TRT Acquisition LLC [Member] \| Maximum [Member]
Noncontrolling Interest, Ownership Percentage by Parent				12.90%			12.90%
Litigation Settlement, Amount Awarded to Other Party				$ 9,400