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Noncontrolling Interests (Tables) | 12 Months Ended
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Dec. 31, 2015
Entity Information [Line Items] |
Schedule of Redeemable Interest in Property Partnerships [Table Text Block] | The following table reflects the activity of the noncontrolling interest—redeemable interest in property partnership in the Company’s Fountain Square consolidated joint venture for the years ended December 31, 2015, 2014 and 2013 (in thousands):
Balance at December 31, 2012 | $ | 97,558 |
Net loss | (1,839 | )
Distributions | (4,585 | )
Adjustment to reflect redeemable interest at redemption value | 8,475 |
Balance at December 31, 2013 | 99,609 |
Net loss | (603 | )
Distributions | (6,000 | )
Adjustment to reflect redeemable interest at redemption value | 11,686 |
Balance at December 31, 2014 | 104,692 |
Net loss | (7 | )
Distributions | (2,900 | )
Adjustment to reflect redeemable interest at redemption value | 5,128 |
Acquisition of interest | (106,913 | )
Balance at December 31, 2015 | $ | — |
Schedule Of Noncontrolling Interest Property Partnerships [Table Text Block] | The following table reflects the activity of the noncontrolling interests—property partnerships for the years ended December 31, 2015, 2014 and 2013 (in thousands):
Balance at December 31, 2012 | $ | (1,964 | )
Fair value of capital recorded upon consolidation | 480,861 |
Capital contributions | 257,564 |
Net loss | (5,290 | )
Distributions | (5,039 | )
Balance at December 31, 2013 | 726,132 |
Capital contributions | 887,975 |
Net income | 19,478 |
Distributions | (31,118 | )
Balance at December 31, 2014 | 1,602,467 |
Capital contributions | 3,758 |
Dissolution | (4,082 | )
Net income | 144,734 |
Accumulated other comprehensive loss | (2,428 | )
Distributions | (170,049 | )
Balance at December 31, 2015 | $ | 1,574,400 |
Boston Properties, Inc. [Member] |
Entity Information [Line Items] |
Schedule Of Redeemable Preferred Units of the Operating Partnership | The following table reflects the activity of the noncontrolling interests—redeemable preferred units of Boston Properties, Inc. for the years ended December 31, 2015, 2014 and 2013 (in thousands):
Balance at December 31, 2012 | $ | 110,876 |
Net income | 6,046 |
Distributions | (6,046 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (43,070 | )
Conversion of redeemable preferred units (Series Two Preferred Units) to common units | (16,494 | )
Balance at December 31, 2013 | 51,312 |
Net income | 1,023 |
Distributions | (1,023 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (17,373 | )
Conversion of redeemable preferred units (Series Two Preferred Units) to common units | (33,306 | )
Balance at December 31, 2014 | 633 |
Net income | 6 |
Distributions | (6 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (633 | )
Balance at December 31, 2015 | $ | — |
Boston Properties Limited Partnership [Member] |
Entity Information [Line Items] |
Schedule Of Redeemable Preferred Units of the Operating Partnership | The following table reflects the activity of the noncontrolling interests—redeemable preferred units of Boston Properties Limited Partnership for the years ended December 31, 2015, 2014 and 2013 (in thousands):
Balance at December 31, 2012 | $ | 199,378 |
Net income | 6,046 |
Distributions | (6,046 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (43,070 | )
Reallocation of partnership interest (1) | (50,562 | )
Balance at December 31, 2013 | 105,746 |
Net income | 1,023 |
Distributions | (1,023 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (17,373 | )
Reallocation of partnership interest (1) | (87,740 | )
Balance at December 31, 2014 | 633 |
Net income | 6 |
Distributions | (6 | )
Redemption of redeemable preferred units (Series Four Preferred Units) | (633 | )
Balance at December 31, 2015 | $ | — |
Schedule Of Noncontrolling Interest Common Units [Table Text Block] | The following table reflects the activity of noncontrolling interests—redeemable common units of Boston Properties Limited Partnership for the years ended December 31, 2015, 2014 and 2013 (in thousands):
Balance at December 31, 2012 | $ | 1,836,522 |
Contributions | 26,398 |
Net income | 84,236 |
Distributions | (83,448 | )
Conversion of redeemable partnership units | (30,291 | )
Unearned compensation | 1,472 |
Other comprehensive income | 252 |
Adjustment to reflect redeemable partnership units at redemption value | (124,923 | )
Balance at December 31, 2013 | 1,710,218 |
Contributions | 23,990 |
Net income | 50,862 |
Distributions | (126,948 | )
Conversion of redeemable partnership units | (2,700 | )
Unearned compensation | (2,813 | )
Other comprehensive income | 256 |
Adjustment to reflect redeemable partnership units at redemption value | 657,181 |
Balance at December 31, 2014 | 2,310,046 |
Contributions | 39,030 |
Net income | 66,951 |
Distributions | (69,447 | )
Conversion of redeemable partnership units | (14,343 | )
Unearned compensation | (4,579 | )
Other comprehensive loss | (554 | )
Adjustment to reflect redeemable partnership units at redemption value | (40,415 | )
Balance at December 31, 2015 | $ | 2,286,689 |

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