Business	3 Months Ended
Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business Organization TIER REIT, Inc. is a self-managed, Dallas, Texas-based real estate investment trust focused primarily on providing quality, attractive, well-managed, commercial office properties located in strategic markets throughout the United States. As used herein, “TIER REIT,” “TIER,” the “Company,” “we,” “us” or “our” refers to TIER REIT, Inc. and its subsidiaries unless the context otherwise requires. TIER’s investment strategy is to acquire, develop, and operate a portfolio of best-in-class office properties in select markets across the U.S. that consistently lead the nation in population and office-using employment growth. TIER REIT was incorporated in June 2002 as a Maryland corporation and has elected to be taxed, and currently qualifies, as a real estate investment trust, or REIT, for federal income tax purposes. As of March 31, 2015, we owned interests in 34 operating office properties (including four properties that were held for sale), one recently developed non-operating office property, and one retail property, located in 17 markets throughout the United States. Substantially all of our business is conducted through Tier Operating Partnership LP (“Tier OP”), a Texas limited partnership. Our wholly-owned subsidiary, Tier GP, Inc., a Delaware corporation, is the sole general partner of Tier OP. Our direct and indirect wholly-owned subsidiaries, Tier Business Trust, a Maryland business trust, and Tier Partners, LLC, a Delaware limited liability company, are limited partners owning substantially all of Tier OP. As we disclosed in a Current Report on Form 8-K filed on March 25, 2015, our board of directors authorized us to pursue a listing of our common stock on a national securities exchange.

Business

Organization

TIER REIT, Inc. is a self-managed, Dallas, Texas-based real estate investment trust focused primarily on providing quality, attractive, well-managed, commercial office properties located in strategic markets throughout the United States. As used herein, “TIER REIT,” “TIER,” the “Company,” “we,” “us” or “our” refers to TIER REIT, Inc. and its subsidiaries unless the context otherwise requires. TIER’s investment strategy is to acquire, develop, and operate a portfolio of best-in-class office properties in select markets across the U.S. that consistently lead the nation in population and office-using employment growth. TIER REIT was incorporated in June 2002 as a Maryland corporation and has elected to be taxed, and currently qualifies, as a real estate investment trust, or REIT, for federal income tax purposes. As of March 31, 2015, we owned interests in 34 operating office properties (including four properties that were held for sale), one recently developed non-operating office property, and one retail property, located in 17 markets throughout the United States.

Substantially all of our business is conducted through Tier Operating Partnership LP (“Tier OP”), a Texas limited partnership. Our wholly-owned subsidiary, Tier GP, Inc., a Delaware corporation, is the sole general partner of Tier OP. Our direct and indirect wholly-owned subsidiaries, Tier Business Trust, a Maryland business trust, and Tier Partners, LLC, a Delaware limited liability company, are limited partners owning substantially all of Tier OP.

As we disclosed in a Current Report on Form 8-K filed on March 25, 2015, our board of directors authorized us to pursue a listing of our common stock on a national securities exchange.