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Acquisitions - Narrative (Details) $ / shares in Units, $ in Thousands | Jul. 15, 2014 USD ($) $ / shares shares
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Business Acquisition [Line Items] |
Business combination, consideration transferred | $ 733,600
Debt assumed | 167,684
111 West 33rd Street [Member] |
Business Acquisition [Line Items] |
Business combination, consideration transferred | 423,600
Debt assumed | 87,700
Payments to acquire business | 106,900
Business combination, consideration transferred, equity interests issued and issuable | $ 229,000
Share price (USD per share) | $ / shares | $ 16.65
1400 Broadway [Member] |
Business Acquisition [Line Items] |
Business combination, consideration transferred | $ 310,000
Debt assumed | 80,000
Payments to acquire business | 79,700
Business combination, consideration transferred, equity interests issued and issuable | $ 150,300
Share price (USD per share) | $ / shares | $ 16.65
Common Class A [Member] | 111 West 33rd Street [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 1,217,685
Common Class A [Member] | 1400 Broadway [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 1,338,488
Common Class B [Member] | 111 West 33rd Street [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 77,945
Common Class B [Member] | 1400 Broadway [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 32,452
Series PR Operating Partnership Units [Member] | 111 West 33rd Street [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 12,457,379
Share price (USD per share) | $ / shares | $ 16.65
Series PR Operating Partnership Units [Member] | 1400 Broadway [Member] |
Business Acquisition [Line Items] |
Number of shares issued (in shares) | shares | 7,658,516
Share price (USD per share) | $ / shares | $ 16.65

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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