Revenue Recognition - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Disaggregation of revenue
Leasing revenue	$ 4,300	$ 3,506
Total revenue	18,574	16,023
Recognized at a point in time
Disaggregation of revenue
Revenue	13,632	12,006
Recognized over time
Disaggregation of revenue
Revenue	642	511
Real estate
Disaggregation of revenue
Revenue	5,808	4,591
Hospitality
Disaggregation of revenue
Revenue	6,610	7,431
Timber
Disaggregation of revenue
Revenue	1,856	495
Operating Segments \| Residential
Disaggregation of revenue
Leasing revenue	22	11
Total revenue	3,038	3,525
Operating Segments \| Residential \| Recognized at a point in time
Disaggregation of revenue
Revenue	3,016	3,514
Operating Segments \| Residential \| Real estate
Disaggregation of revenue
Revenue	2,954	3,362
Operating Segments \| Residential \| Hospitality
Disaggregation of revenue
Revenue	62	152
Operating Segments \| Hospitality
Disaggregation of revenue
Leasing revenue	3	25
Total revenue	6,551	7,304
Operating Segments \| Hospitality \| Recognized at a point in time
Disaggregation of revenue
Revenue	5,906	6,768
Operating Segments \| Hospitality \| Recognized over time
Disaggregation of revenue
Revenue	642	511
Operating Segments \| Hospitality \| Hospitality
Disaggregation of revenue
Revenue	6,548	7,279
Operating Segments \| Commercial
Disaggregation of revenue
Leasing revenue	4,275	3,470
Total revenue	8,896	5,076
Operating Segments \| Commercial \| Recognized at a point in time
Disaggregation of revenue
Revenue	4,621	1,606
Operating Segments \| Commercial \| Real estate
Disaggregation of revenue
Revenue	2,765	1,111
Operating Segments \| Commercial \| Timber
Disaggregation of revenue
Revenue	1,856	495
Other
Disaggregation of revenue
Total revenue	89	118
Other \| Recognized at a point in time
Disaggregation of revenue
Revenue	89	118
Other \| Real estate
Disaggregation of revenue
Revenue	$ 89	$ 118

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

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-Publisher FASB
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