Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 447,632	$ 437,154
Restricted cash	65	49
Inventory	9,004	4,824
Other current assets	46,234	31,666
Total current assets	503,275	474,379
Non-current assets
Derivative instruments	18,054	40,090
Vessels and equipment, net	2,102,495	2,154,465
Other fixed assets	0	5
Total non-current assets	2,120,549	2,194,560
Total Assets	2,623,824	2,668,939
Current liabilities
Current portion of long-term debt	109,629	106,708
Derivative instruments	604	0
Accounts payable	10,508	2,002
Other current liabilities	44,412	49,544
Total current liabilities	165,826	158,777
Non-current liabilities
Long-term debt	1,738,578	1,703,529
Other non-current liabilities	163	0
Total non-current liabilities	1,738,741	1,703,529
Total liabilities	1,904,567	1,862,306
Equity
Share capital (2025: 54,520,325 shares issued, par value $0.01 per share (2024: 54,520,325 shares issued, par value $0.01 per share))	545	545
Treasury shares at cost (2025: 427,949 shares (2024: 432,557))	(4,180)	(4,224)
Additional paid in capital	704,300	904,268
Contributed surplus	221,268	183,535
Accumulated deficit	(202,676)	(277,491)
Total equity	719,257	806,633
Total Liabilities and Equity	$ 2,623,824	$ 2,668,939
Par value (in USD per share)	$ 0.01	$ 0.01
Related party
Current assets
Receivables due from related parties	$ 340	$ 686
Current liabilities
Payables due to related parties	$ 673	$ 523

Contributed Surplus

No definition available.

Name:	flng_ContributedSurplus
Namespace Prefix:	flng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).