Revenue Recognition - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of revenue
Leasing revenue	$ 7,146	$ 4,963	$ 19,112	$ 14,169
Total revenue	53,996	42,041	167,540	96,695
Recognized at a point in time
Disaggregation of revenue
Revenue	41,642	34,010	134,664	74,181
Recognized over time
Disaggregation of revenue
Revenue	5,208	3,068	13,764	8,345
Real Estate
Disaggregation of revenue
Revenue	23,500	18,476	85,615	41,838
Hospitality [Member]
Disaggregation of revenue
Revenue	22,292	17,005	57,986	35,180
Timber
Disaggregation of revenue
Revenue	1,058	1,597	4,827	5,508
Operating Segments | Residential real estate
Disaggregation of revenue
Leasing revenue	155	17	252	94
Total revenue	22,113	16,353	75,534	33,518
Operating Segments | Residential real estate | Recognized at a point in time
Disaggregation of revenue
Revenue	21,958	16,336	75,282	33,424
Operating Segments | Residential real estate | Real Estate
Disaggregation of revenue
Revenue	21,603	16,104	74,670	33,060
Operating Segments | Residential real estate | Hospitality [Member]
Disaggregation of revenue
Revenue	355	232	612	364
Operating Segments | Hospitality Segment [Member]
Disaggregation of revenue
Leasing revenue	20	3	39	8
Total revenue	21,957	16,776	57,413	34,824
Operating Segments | Hospitality Segment [Member] | Recognized at a point in time
Disaggregation of revenue
Revenue	16,729	13,705	43,610	26,471
Operating Segments | Hospitality Segment [Member] | Recognized over time
Disaggregation of revenue
Revenue	5,208	3,068	13,764	8,345
Operating Segments | Hospitality Segment [Member] | Hospitality [Member]
Disaggregation of revenue
Revenue	21,937	16,773	57,374	34,816
Operating Segments | Commercial leasing and sales
Disaggregation of revenue
Leasing revenue	6,966	4,943	18,797	14,067
Total revenue	9,584	8,697	33,395	26,819
Operating Segments | Commercial leasing and sales | Recognized at a point in time
Disaggregation of revenue
Revenue	2,618	3,754	14,598	12,752
Operating Segments | Commercial leasing and sales | Real Estate
Disaggregation of revenue
Revenue	1,560	2,157	9,771	7,244
Operating Segments | Commercial leasing and sales | Timber
Disaggregation of revenue
Revenue	1,058	1,597	4,827	5,508
Corporate And Reconciling Items [Member]
Disaggregation of revenue
Leasing revenue	5		24
Total revenue	342	215	1,198	1,534
Corporate And Reconciling Items [Member] | Recognized at a point in time
Disaggregation of revenue
Revenue	337	215	1,174	1,534
Corporate And Reconciling Items [Member] | Real Estate
Disaggregation of revenue
Revenue	$ 337	$ 215	$ 1,174	$ 1,534