SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2017

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of Estimated Useful Lives

Asset Type	Years	Location of Asset
Buildings and improvements	10 - 45	Buildings and Equipment
Equipment and fixtures	5 - 10	Buildings and Equipment
Computer hardware and software, and vehicles	3 - 5	Prepaid expenses and other assets, net
Tenant improvements	Lesser of lease term or useful life	Prepaid expenses and other assets, net
Leasing costs	Related lease term	Prepaid expenses and other assets, net

Categories of Developments

	December 31,
(In thousands)	2017		2016
Land and improvements	$	202,875	$	188,544
Development costs		675,691		567,650
Condominium projects		318,016		205,786
Total Developments	$	1,196,582	$	961,980

Changes in Allowance for Doubtful Accounts

(In thousands)	2017		2016		2015
Balance as of January 1	$	7,799	$	4,406	$	7,619
Provision for doubtful accounts		2,710		5,664		4,030
Write-offs		(1,209)		(2,271)		(7,243)
Balance as of December 31,	$	9,300	$	7,799	$	4,406