Note 3 - Other Revenues - Summary of Other Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Insurance services	$ 7,084	$ 8,003	$ 7,195
Management and accounting service fees	15,175	16,169	15,953
Rental income	22,262	21,957	21,835
Other	1,386	1,024	931
Gain on sale of skilled nursing facility	1,668
Total other revenues	$ 47,575	$ 47,153	$ 45,914