CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
REAL ESTATE ASSETS (Note 2):
Land and improvements	$ 1,715,192	$ 1,731,982
Buildings and improvements	7,509,311	7,543,585
Undeveloped land and construction in progress	2,158,279	2,017,126
Total real estate assets held for investment	11,382,782	11,292,693
Accumulated depreciation and amortization	(2,034,193)	(2,003,656)
Total real estate assets held for investment, net	9,348,589	9,289,037
CASH AND CASH EQUIVALENTS	331,685	414,077
RESTRICTED CASH	13,007	13,006
MARKETABLE SECURITIES (Note 10)	25,829	27,475
CURRENT RECEIVABLES, NET	12,107	14,386
DEFERRED RENT RECEIVABLES, NET	420,895	405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	228,426	234,458
RIGHT OF USE GROUND LEASE ASSETS	126,946	127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	57,338	57,991
TOTAL ASSETS	10,564,822	10,583,397
LIABILITIES:
Secured debt, net (Notes 3 and 10)	247,030	248,367
Unsecured debt, net (Notes 3 and 10)	3,821,433	3,820,383
Accounts payable, accrued expenses and other liabilities	391,920	391,264
Ground lease liabilities	125,414	125,550
Accrued dividends and distributions (Note 15)	61,951	61,850
Deferred revenue and acquisition-related intangible liabilities, net	171,121	171,151
Rents received in advance and tenant security deposits	80,192	74,962
Total liabilities	4,899,061	4,893,527
COMMITMENTS AND CONTINGENCIES (Note 9)
Stockholders’ Equity (Note 4):
Common stock, $.01 par value, 280,000,000 shares authorized, 116,716,080 and 116,464,169 shares issued and outstanding, respectively	1,167	1,165
Additional paid-in capital	5,149,968	5,155,232
Retained earnings	274,193	283,663
Total stockholders’ equity	5,425,328	5,440,060
Noncontrolling Interests (Notes 1 and 5):
Common units of the Operating Partnership	53,472	53,746
Noncontrolling interests in consolidated property partnerships	186,961	196,064
Total noncontrolling interests	240,433	249,810
Total equity	5,665,761	5,689,870
TOTAL LIABILITIES AND EQUITY (CAPITAL)	10,564,822	10,583,397
Kilroy Realty L.P.
REAL ESTATE ASSETS (Note 2):
Land and improvements	1,715,192	1,731,982
Buildings and improvements	7,509,311	7,543,585
Undeveloped land and construction in progress	2,158,279	2,017,126
Total real estate assets held for investment	11,382,782	11,292,693
Accumulated depreciation and amortization	(2,034,193)	(2,003,656)
Total real estate assets held for investment, net	9,348,589	9,289,037
CASH AND CASH EQUIVALENTS	331,685	414,077
RESTRICTED CASH	13,007	13,006
MARKETABLE SECURITIES (Note 10)	25,829	27,475
CURRENT RECEIVABLES, NET	12,107	14,386
DEFERRED RENT RECEIVABLES, NET	420,895	405,665
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET	228,426	234,458
RIGHT OF USE GROUND LEASE ASSETS	126,946	127,302
PREPAID EXPENSES AND OTHER ASSETS, NET	57,338	57,991
TOTAL ASSETS	10,564,822	10,583,397
LIABILITIES:
Secured debt, net (Notes 3 and 10)	247,030	248,367
Unsecured debt, net (Notes 3 and 10)	3,821,433	3,820,383
Accounts payable, accrued expenses and other liabilities	391,920	391,264
Ground lease liabilities	125,414	125,550
Accrued dividends and distributions (Note 15)	61,951	61,850
Deferred revenue and acquisition-related intangible liabilities, net	171,121	171,151
Rents received in advance and tenant security deposits	80,192	74,962
Total liabilities	4,899,061	4,893,527
COMMITMENTS AND CONTINGENCIES (Note 9)
Noncontrolling Interests (Notes 1 and 5):
Common units, 116,716,080 and 116,464,169 held by the general partner and 1,150,574 and 1,150,574 held by common limited partners issued and outstanding, respectively (Note 5)	5,478,800	5,493,806
Noncontrolling interests in consolidated property partnerships (Note 1)	186,961	196,064
Total capital	5,665,761	5,689,870
TOTAL LIABILITIES AND EQUITY (CAPITAL)	$ 10,564,822	$ 10,583,397