Core Deposit and Other Intangibles - Schedule of Finite-lived Intangible Assets Acquired (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended			0 Months Ended
	Jul. 31, 2012 Other Intangible Assets	Nov. 12, 2013 Merger with CFS Bancorp, Inc. (Citizens)	Feb. 10, 2012 SCB Bank	Feb. 10, 2012 SCB Bank Core Deposits
Acquired Finite-Lived Intangible Assets [Line Items]
Percentage of Interest Acquired		100.00%
Core deposit intangible		$ 7,313	$ 484
Core deposit intangible and other intangibles acquired	$ 483			$ 484