Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue from customers	$ 4,988	$ 7,936	$ 9,449	$ 20,693
Revenues	5,393	8,304	10,279	21,484
Land sales and land sales—related party
Disaggregation of Revenue [Line Items]
Revenue from customers	1,725	102	2,283	143
Management services—related party \| Affiliated Entity
Disaggregation of Revenue [Line Items]
Revenue from customers	2,703	7,647	6,250	20,086
Operating properties
Disaggregation of Revenue [Line Items]
Revenue from customers	560	187	916	464
Operating properties leasing revenues	405	368	830	791
Revenues	965	555	1,746	1,255
Valencia
Disaggregation of Revenue [Line Items]
Revenue from customers	2,285	289	3,199	607
Revenues	2,568	516	3,727	1,108
Valencia \| Land sales and land sales—related party
Disaggregation of Revenue [Line Items]
Revenue from customers	1,725	102	2,283	143
Valencia \| Management services—related party \| Affiliated Entity
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Valencia \| Operating properties
Disaggregation of Revenue [Line Items]
Revenue from customers	560	187	916	464
Operating properties leasing revenues	283	227	528	501
San Francisco
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Revenues	122	141	302	290
San Francisco \| Land sales and land sales—related party
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
San Francisco \| Management services—related party \| Affiliated Entity
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
San Francisco \| Operating properties
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Operating properties leasing revenues	122	141	302	290
Great Park
Disaggregation of Revenue [Line Items]
Revenue from customers	2,602	7,544	6,046	19,884
Revenues	2,602	7,544	6,046	19,884
Great Park \| Land sales and land sales—related party
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Great Park \| Management services—related party \| Affiliated Entity
Disaggregation of Revenue [Line Items]
Revenue from customers	2,602	7,544	6,046	19,884
Great Park \| Operating properties
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Operating properties leasing revenues	0	0	0	0
Commercial
Disaggregation of Revenue [Line Items]
Revenue from customers	101	103	204	202
Revenues	101	103	204	202
Commercial \| Land sales and land sales—related party
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Commercial \| Management services—related party \| Affiliated Entity
Disaggregation of Revenue [Line Items]
Revenue from customers	101	103	204	202
Commercial \| Operating properties
Disaggregation of Revenue [Line Items]
Revenue from customers	0	0	0	0
Operating properties leasing revenues	$ 0	$ 0	$ 0	$ 0