Regulatory Matters Regulatory Matters - Narrative (Details)	Mar. 31, 2015	Jan. 01, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Capital Conservation Buffer, Excess of Minimum Capital Ratio		2.50%
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	6.00%		4.00%
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	8.00%
Capital Conservation Buffer to Risk Weighted Assets, Year One	0.625%
Capital Conservation Buffer to Risk Weighted Assets, Year Two	1.25%
Capital Conservation Buffer to Risk Weighted Assets, Year Three	1.875%
Capital Conservation Buffer to Risk Weighted Assets, Year Four and Thereafter	2.50%