Description of the Business	12 Months Ended
Dec. 31, 2015
Text Block [Abstract]
Description of the Business	DESCRIPTION OF THE BUSINESS Customers Bancorp, Inc. (the “Bancorp” or “Customers Bancorp”) is a bank holding company engaged in banking activities through its wholly owned subsidiary, Customers Bank (the “Bank”), collectively referred to as "Customers" herein. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Customers Bancorp, Inc. and its wholly owned subsidiaries, Customers Bank and non-bank subsidiaries, serve residents and businesses in Southeastern Pennsylvania (Bucks, Berks, Chester, Philadelphia and Delaware Counties), Rye, New York (Westchester County), Hamilton, New Jersey (Mercer County), Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire (Rockingham County), and Manhattan, New York. The Bank has 14 full-service branches and provides commercial banking products, primarily loans and deposits. Customers Bank provides loan and other financial products to customers through its limited purpose offices in Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire, Manhattan and Melville, New York and Philadelphia, Pennsylvania. The Bank also provides liquidity to residential mortgage originators nationwide through commercial loans to mortgage companies. Customers Bank is subject to regulation of the Pennsylvania Department of Banking and Securities and the Federal Reserve Bank and is periodically examined by those regulatory authorities. Customers Bancorp has made certain equity investments through its wholly owned subsidiaries CB Green Ventures Pte Ltd. and CUBI India Ventures Pte Ltd.

DESCRIPTION OF THE BUSINESS

Customers Bancorp, Inc. (the “Bancorp” or “Customers Bancorp”) is a bank holding company engaged in banking activities through its wholly owned subsidiary, Customers Bank (the “Bank”), collectively referred to as "Customers" herein. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”).

Customers Bancorp, Inc. and its wholly owned subsidiaries, Customers Bank and non-bank subsidiaries, serve residents and businesses in Southeastern Pennsylvania (Bucks, Berks, Chester, Philadelphia and Delaware Counties), Rye, New York (Westchester County), Hamilton, New Jersey (Mercer County), Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire (Rockingham County), and Manhattan, New York. The Bank has 14 full-service branches and provides commercial banking products, primarily loans and deposits. Customers Bank provides loan and other financial products to customers through its limited purpose offices in Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire, Manhattan and Melville, New York and Philadelphia, Pennsylvania. The Bank also provides liquidity to residential mortgage originators nationwide through commercial loans to mortgage companies. Customers Bank is subject to regulation of the Pennsylvania Department of Banking and Securities and the Federal Reserve Bank and is periodically examined by those regulatory authorities. Customers Bancorp has made certain equity investments through its wholly owned subsidiaries CB Green Ventures Pte Ltd. and CUBI India Ventures Pte Ltd.