The following table summarizes supplemental cash flow information (in thousands):


	Year Ended December 31,
	2016		2015		2014
Supplemental cash flow information:
Interest paid, net of capitalized interest	$	489,453	$	451,615	$	410,286
Income taxes paid		13,727		6,959		5,071
Capitalized interest		11,108		8,798		10,314
Supplemental disclosure of non-cash investing and financing activities:
Accrued construction costs		49,999		52,511		37,178
Non-cash impact of QCP Spin-Off, net		3,539,584		—		—
Securities transferred for debt defeasance		73,278		—		—
Settlement of loans receivable as consideration for real estate acquisition		—		299,297		—
Loan originated in connection with Brookdale Transaction		—		—		67,640
Real estate contributed to CCRC JV		—		—		91,603
Fair value of real estate acquired in exchange for sale of real estate		—		—		32,000
Tenant funded tenant improvements owned by HCP		27,014		28,850		21,863
Vesting of restricted stock units		529		409		614
Conversion of non-managing member units into common stock		6,093		2,979		473
Noncontrolling interest and other liabilities, net assumed in connection with the RIDEA III acquisition		—		61,219		—
Noncontrolling interest issued in connection with Brookdale Transaction		—		—		46,751
Noncontrolling interests issued in connection with real estate and other acquisitions		—		10,971		6,321
Noncontrolling interest assumed in connection with real estate disposition		—		—		1,671
Mortgages and other liabilities assumed with real estate acquisitions		82,985		23,218		37,149
Foreign currency translation adjustment		(3,332)		(8,738)		(9,967)
Unrealized gains on available-for-sale securities and derivatives designated as cash flow hedges, net		3,171		1,889		2,271