Interest Bearing Liabilities (Narrative) (Details) $ in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 AUD ($)	Sep. 30, 2025 USD ($)	Jun. 18, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Debt issuance costs						$ 10,718		$ 12,165
Carrying value of loan, net of issuance costs						489,099		412,307
Loan, current liability						1,596		$ 1,363
Loss on debt extinguishment	$ 0	$ 0	$ (1,050)	$ 0
9.25% Senior Secured Notes Due In 2029 [Member]
Debt Instrument [Line Items]
Principal amount						$ 400,000
Interest rate					9.25%	9.25%		9.25%
Debt issuance costs						$ 9,700		$ 11,100
Events of default, percent of holders of aggregate principal amount			25.00%
9.25% Senior Secured Notes Due In 2029 [Member] \| Debt Instrument, Redemption, Change of Control [Member]
Debt Instrument [Line Items]
Redemption price, percentage			101.00%
Percent of redeemed outstanding amount, from change of control scenario					90.00%	90.00%
9.25% Senior Secured Notes Due In 2029 [Member] \| Debt Instrument, Redemption, Changes in Tax Law [Member]
Debt Instrument [Line Items]
Redemption price, percentage			100.00%
Predecessor ABL Facility [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment			$ (1,100)
Asset Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate					15.00%	15.00%
Credit facility, maximum borrowing capacity						$ 150,000	$ 150,000
Debt issuance costs						6,400	$ 7,100
Delisting or trading halt days, triggering event			10 years
Review event period			10 days
Eligible borrowing base						90,500
Remaining available amount						15,500
Commitment fee percent			9.00%
Review event period, delisting period			5 days
Review event period, possible prepayment period			20 days
Period in which borrowings are subject to an interest make-whole premium			18 months
Asset Based Revolving Credit Facility [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Draw from revolving facility			$ 75,000
Loan - Curragh Housing Agreement [Member]
Debt Instrument [Line Items]
Principal amount					$ 40.4	26,900
Debt term			10 years
Debt issuance costs						$ 1,000
Effective interest rate					14.14%	14.14%
Carrying value of loan, net of issuance costs						$ 23,800
Loan, current liability						$ 1,600

Coronado Global Resources Inc. 10-Q