Derivative Financial Instruments - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Not Designated as Hedging Instrument	Mar. 31, 2014 Federal Home Loan Bank advances instrument	Mar. 31, 2013 Interest Rate Swap InterestRateSwap	Mar. 31, 2013 Interest rate cap InterestRateCap	Mar. 31, 2014 Cash Flow Hedging Interest Rate Swap InterestRateSwap	Mar. 31, 2013 Cash Flow Hedging Interest Rate Swap	Mar. 31, 2014 Cash Flow Hedging Interest Rate Swap Federal Home Loan Bank advances	Mar. 31, 2014 Cash Flow Hedging Interest Rate Swap Trust Preferred Securities	Mar. 31, 2014 Cash Flow Hedging Interest rate cap InterestRateCap	Mar. 31, 2013 Cash Flow Hedging Interest rate cap	Mar. 31, 2014 Cash Flow Hedging Interest rate cap Trust Preferred Securities
Derivative [Line Items]
Number of interest rate derivatives held				2	1	5				1
Notional amount of interest rate derivatives		$ 150,441				$ 56,000	$ 26,000	$ 30,000	$ 26,000	$ 13,000	$ 13,000	$ 13,000
Number of debt instruments held			3
Estimated amount to be transferred from OCI to earnings	1,399
Termination value of derivatives in a net liability position	3,594
Derivative collateral posted	$ 3,301