Segment Information - Significant Operating Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Information
Revenue from Contract with Customer, Excluding Assessed Tax	$ 960,126	$ 905,809	$ 986,480
Advertising and promotion	54,283	52,180	51,958
Repairs and maintenance	39,723	35,927	38,308
Utilities	28,514	26,576	27,622
Franchise costs	18,499	18,391	16,876
Property tax, ground lease and insurance	76,461	77,221	78,796
Other property-level expenses	117,348	110,833	120,247
Total operating expenses	884,410	827,217	867,824
Room
Segment Information
Revenue from Contract with Customer, Excluding Assessed Tax	582,669	559,061	619,277
Cost of goods and services sold	158,694	146,369	158,002
Food and beverage
Segment Information
Revenue from Contract with Customer, Excluding Assessed Tax	278,680	256,222	277,514
Cost of goods and services sold	199,654	182,840	193,820
Other operating
Segment Information
Revenue from Contract with Customer, Excluding Assessed Tax	98,777	90,526	89,689
Cost of goods and services sold	25,136	23,323	23,721
Hotel Ownership \| Significant expense used by CODM consolidated member
Segment Information
Advertising and promotion	53,118	51,407	51,958
Repairs and maintenance	39,412	35,908	38,281
Utilities	28,514	26,576	27,622
Franchise costs	18,499	18,391	16,876
Property tax, ground lease and insurance	77,105	77,981	79,412
Other property-level expenses	116,404	110,037	120,247
Total operating expenses	712,485	671,948	709,669
Hotel Ownership \| Significant expense used by CODM consolidated member \| Room
Segment Information
Cost of goods and services sold	156,755	145,984	157,839
Hotel Ownership \| Significant expense used by CODM consolidated member \| Food and beverage
Segment Information
Cost of goods and services sold	197,819	182,423	193,713
Hotel Ownership \| Significant expense used by CODM consolidated member \| Other operating
Segment Information
Cost of goods and services sold	24,859	23,241	23,721
Hotel Ownership \| Hotel Ownership
Segment Information
Revenue from Contract with Customer, Excluding Assessed Tax	960,126	905,809	986,425
Revenues	960,126	905,809	986,480
Hotel Adjusted EBITDAre	$ 247,641	$ 233,861	276,756
Segment Reporting, Reconciling Item, Corporate Nonsegment \| Hotel Ownership
Segment Information
Other revenues			$ 55

Sunstone Hotel Investors, Inc. 10-K