Subsequent Events (Notes)	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS Peoples Federal Bancshares, Inc. Acquisition On February 20, 2015, the Company completed its acquisition of Peoples Federal Bancshares, Inc. ("Peoples"), the parent of Peoples Federal Saving Bank. The transaction qualified as a tax-free reorganization for federal income tax purposes and Peoples shareholders received either the right to receive $21.00 in cash per share or 0.5523 shares of the Company's stock (valued at $23.26 per share, based upon the highest trading value of the Company's stock on February 20, 2015 of $42.11). The total deal consideration was $141.8 million and was comprised of 40% cash and 60% stock consideration. The cash consideration was $55.4 million in the aggregate, inclusive of cash paid in lieu of fractional shares. The total stock consideration was $86.4 million and resulted in an increase to the Company's outstanding shares of 2,052,137 shares. During 2014, the Company recorded merger and acquisition expenses of $1.3 million related to the Peoples acquisition. Additionally, the Company is required to recognize the assets acquired and the liabilities assumed at their fair values as of the date of acquisition. The Company is currently in the process of evaluating the fair values and completing the initial accounting for the business combination. Subordinated Debt Redemption Subsequent to year end upon receiving regulatory approval, the Company redeemed $30.0 million of Subordinated Debt held at the Bank. This debt carried an adjustable rate of interest at LIBOR plus 300 basis points, which reset quarterly. The debt had a maturity date of October 1, 2019 and as of October 1, 2014, the debt entered the window with 5 years left until maturity. As a result, it began losing Tier 2 capital treatment. The Company did not incur a prepayment penalty as part of the redempt

SUBSEQUENT EVENTS

Peoples Federal Bancshares, Inc. Acquisition

On February 20, 2015, the Company completed its acquisition of Peoples Federal Bancshares, Inc. ("Peoples"), the parent of Peoples Federal Saving Bank. The transaction qualified as a tax-free reorganization for federal income tax purposes and Peoples shareholders received either the right to receive $21.00 in cash per share or 0.5523 shares of the Company's stock (valued at $23.26 per share, based upon the highest trading value of the Company's stock on February 20, 2015 of $42.11). The total deal consideration was $141.8 million and was comprised of 40% cash and 60% stock consideration. The cash consideration was $55.4 million in the aggregate, inclusive of cash paid in lieu of fractional shares. The total stock consideration was $86.4 million and resulted in an increase to the Company's outstanding shares of 2,052,137 shares.

During 2014, the Company recorded merger and acquisition expenses of $1.3 million related to the Peoples acquisition. Additionally, the Company is required to recognize the assets acquired and the liabilities assumed at their fair values as of the date of acquisition. The Company is currently in the process of evaluating the fair values and completing the initial accounting for the business combination.

Subordinated Debt Redemption

Subsequent to year end upon receiving regulatory approval, the Company redeemed $30.0 million of Subordinated Debt held at the Bank. This debt carried an adjustable rate of interest at LIBOR plus 300 basis points, which reset quarterly. The debt had a maturity date of October 1, 2019 and as of October 1, 2014, the debt entered the window with 5 years left until maturity. As a result, it began losing Tier 2 capital treatment. The Company did not incur a prepayment penalty as part of the redempt