CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019		Dec. 31, 2018	Jun. 30, 2018		Dec. 31, 2017
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 48,033		$ 54,976	$ 30,657
Restricted cash	13,133	[1]	15,095	108,704	[1]
Total cash and cash equivalents and restricted cash shown in the statements of cash flows	$ 61,166		$ 70,071	$ 139,361		$ 47,321

[1] Restricted cash consists of amounts escrowed for real estate taxes, insurance and capital expenditures at certain of our mortgaged properties, security deposits for residents of our managed senior living communities and cash held for the operations of our joint venture MOB. Restricted cash as of June 30, 2018 also includes proceeds from our sale of a senior living community in May 2018 that were being held in trust for our benefit to fund future acquisitions by us.