Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flow from operating activities:
Consolidated net (loss) income	$ (46,451)	$ 13,888	$ 3,116
Adjustments to reconcile consolidated net (loss) income to net cash provided by operating activities:
Gain on sale of operating properties	(3,424)	(15,160)	(4,253)
Impairment charge	70,360	7,411	0
Loss on debt extinguishment	0	0	1,429
Straight-line rent	(3,060)	(4,696)	(5,459)
Depreciation and amortization	156,107	174,625	179,084
Provision for credit losses, net of recoveries	2,952	2,786	2,771
Compensation expense for equity awards	4,869	5,988	5,214
Amortization of debt fair value adjustment	(2,630)	(2,913)	(4,412)
Amortization of in-place lease liabilities	(6,360)	(3,677)	(6,863)
Changes in assets and liabilities:
Tenant receivables	(3,594)	(6,228)	(512)
Deferred costs and other assets	(13,396)	(11,569)	(13,080)
Accounts payable, accrued expenses, deferred revenue, and other liabilities	(990)	(5,832)	(387)
Payments on assumed earnout liability	0	0	(1,286)
Net cash provided by operating activities	154,383	154,623	155,362
Cash flow from investing activities:
Capital expenditures, net	(59,304)	(72,433)	(94,611)
Net proceeds from sales of operating properties	218,387	76,075	14,187
Change in construction payables	(777)	(4,276)	(3,024)
Collection of note receivable	0	0	500
Capital contribution to unconsolidated joint venture	(9,973)	(1,400)	0
Net cash provided by (used in) investing activities	148,333	(2,034)	(82,948)
Cash flow from financing activities:
Proceeds from issuance of common shares, net	76	28	4,402
Repurchases of common shares upon the vesting of restricted shares	(350)	(835)	(1,125)
Loan proceeds	399,500	97,700	608,301
Loan transaction costs	(5,208)	(357)	(8,085)
Loan payments	(551,379)	(128,800)	(594,079)
Loss on debt extinguishment	0	0	(1,429)
Distributions paid – common shareholders	(106,316)	(101,128)	(94,669)
Acquisition of partners' interests in Territory joint venture	(21,993)	(8,261)	0
Net cash used in financing activities	(289,386)	(149,325)	(90,859)
Increase (decrease) in cash, cash equivalents, and restricted cash	13,330	3,264	(18,445)
Cash, cash equivalents, and restricted cash beginning of year	32,176	28,912	47,357
Cash, cash equivalents, and restricted cash end of year	45,506	32,176	28,912
Supplemental disclosures
Cash paid for interest, net of capitalized interest	67,998	68,819	67,172
Cash paid for taxes	0	0	545
Noncontrolling Interests in Properties
Cash flow from financing activities:
Acquisition of partner's interest in Fishers Station operating property	0	(3,750)	0
Distributions to noncontrolling interests	0	0	(251)
Redeemable Noncontrolling Interests
Cash flow from financing activities:
Distributions to noncontrolling interests	(3,716)	(3,922)	(3,924)
Acquisition of partners' interests in Territory joint venture	(22,461)	(8,261)	0
Kite Realty Group, LP
Cash flow from operating activities:
Consolidated net (loss) income	(46,451)	13,888	3,116
Adjustments to reconcile consolidated net (loss) income to net cash provided by operating activities:
Gain on sale of operating properties	(3,424)	(15,160)	(4,253)
Impairment charge	70,360	7,411	0
Loss on debt extinguishment	0	0	1,429
Straight-line rent	(3,060)	(4,696)	(5,459)
Depreciation and amortization	156,107	174,625	179,084
Provision for credit losses, net of recoveries	2,952	2,786	2,771
Compensation expense for equity awards	4,869	5,988	5,214
Amortization of debt fair value adjustment	(2,630)	(2,913)	(4,412)
Amortization of in-place lease liabilities	(6,360)	(3,677)	(6,863)
Changes in assets and liabilities:
Tenant receivables	(3,594)	(6,228)	(512)
Deferred costs and other assets	(13,396)	(11,569)	(13,080)
Accounts payable, accrued expenses, deferred revenue, and other liabilities	(990)	(5,832)	(387)
Payments on assumed earnout liability	0	0	(1,286)
Net cash provided by operating activities	154,383	154,623	155,362
Cash flow from investing activities:
Capital expenditures, net	(59,304)	(72,433)	(94,611)
Net proceeds from sales of operating properties	218,387	76,075	14,187
Change in construction payables	(777)	(4,276)	(3,024)
Collection of note receivable	0	0	500
Capital contribution to unconsolidated joint venture	(9,973)	(1,400)	0
Net cash provided by (used in) investing activities	148,333	(2,034)	(82,948)
Cash flow from financing activities:
Proceeds from issuance of common shares, net	76	28	4,402
Repurchases of common shares upon the vesting of restricted shares	(350)	(835)	(1,125)
Loan proceeds	399,500	97,700	608,301
Loan transaction costs	(5,208)	(357)	(8,085)
Loan payments	(551,379)	(128,800)	(594,079)
Loss on debt extinguishment	0	0	(1,429)
Distributions paid – common shareholders	(106,316)	(101,128)	(94,669)
Acquisition of partners' interests in Territory joint venture	(21,993)	(8,261)	0
Net cash used in financing activities	(289,386)	(149,325)	(90,859)
Increase (decrease) in cash, cash equivalents, and restricted cash	13,330	3,264	(18,445)
Cash, cash equivalents, and restricted cash beginning of year	32,176	28,912	47,357
Cash, cash equivalents, and restricted cash end of year	45,506	32,176	28,912
Supplemental disclosures
Cash paid for interest, net of capitalized interest	67,998	68,819	67,172
Cash paid for taxes	0	0	545
Kite Realty Group, LP | Noncontrolling Interests in Properties
Cash flow from financing activities:
Acquisition of partner's interest in Fishers Station operating property	0	(3,750)	0
Distributions to noncontrolling interests	0	0	(251)
Kite Realty Group, LP | Redeemable Noncontrolling Interests
Cash flow from financing activities:
Distributions to noncontrolling interests	$ (3,716)	$ (3,922)	$ (3,924)