Revenue Recognition - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of revenue
Leasing revenue	$ 6,371	$ 4,907	$ 11,966	$ 9,206
Total revenue	72,239	36,082	113,545	54,655
Recognized at a point in time
Disaggregation of revenue
Revenue	61,158	28,460	93,024	40,172
Recognized over time
Disaggregation of revenue
Revenue	4,710	2,715	8,555	5,277
Real estate
Disaggregation of revenue
Revenue	41,063	17,555	62,116	23,362
Hospitality
Disaggregation of revenue
Revenue	22,627	11,565	35,694	18,176
Timber
Disaggregation of revenue
Revenue	2,178	2,055	3,769	3,911
Operating Segments | Residential
Disaggregation of revenue
Leasing revenue	56	55	97	78
Total revenue	32,760	14,127	53,421	17,166
Operating Segments | Residential | Recognized at a point in time
Disaggregation of revenue
Revenue	32,704	14,072	53,324	17,088
Operating Segments | Residential | Real estate
Disaggregation of revenue
Revenue	32,528	14,002	53,067	16,956
Operating Segments | Residential | Hospitality
Disaggregation of revenue
Revenue	176	70	257	132
Operating Segments | Hospitality
Disaggregation of revenue
Leasing revenue	12	3	20	5
Total revenue	22,463	11,498	35,457	18,049
Operating Segments | Hospitality | Recognized at a point in time
Disaggregation of revenue
Revenue	17,741	8,780	26,882	12,767
Operating Segments | Hospitality | Recognized over time
Disaggregation of revenue
Revenue	4,710	2,715	8,555	5,277
Operating Segments | Hospitality | Hospitality
Disaggregation of revenue
Revenue	22,451	11,495	35,437	18,044
Operating Segments | Commercial
Disaggregation of revenue
Leasing revenue	6,284	4,849	11,831	9,123
Total revenue	16,638	9,226	23,811	18,121
Operating Segments | Commercial | Recognized at a point in time
Disaggregation of revenue
Revenue	10,354	4,377	11,980	8,998
Operating Segments | Commercial | Real estate
Disaggregation of revenue
Revenue	8,176	2,322	8,211	5,087
Operating Segments | Commercial | Timber
Disaggregation of revenue
Revenue	2,178	2,055	3,769	3,911
Other
Disaggregation of revenue
Leasing revenue	19		18
Total revenue	378	1,231	856	1,319
Other | Recognized at a point in time
Disaggregation of revenue
Revenue	359	1,231	838	1,319
Other | Real estate
Disaggregation of revenue
Revenue	$ 359	$ 1,231	$ 838	$ 1,319