Derivatives (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Interest Rate Lock Commitments	Dec. 31, 2013 Interest Rate Lock Commitments	Sep. 30, 2014 Mandatory and Best Effort Forward Commitments	Dec. 31, 2013 Mandatory and Best Effort Forward Commitments	Sep. 30, 2014 Forward TBA Mortgage Backed Securities	Dec. 31, 2013 Forward TBA Mortgage Backed Securities	Sep. 30, 2014 TBA Mortgage-backed Securities, Investor Paired Off Forward Sales [Member]	Dec. 31, 2013 TBA Mortgage-backed Securities, Investor Paired Off Forward Sales [Member]
Derivative [Line Items]
Notional amount of interest rate derivatives					$ 22,117	$ 8,467	$ 13,816	$ 4,527	$ 26,500	$ 13,750	$ 16,500	$ 4,000
Derivative instrument, asset, fair value					517	166
Derivative instrument, asset, fair value							18	45				44
Derivative instrument, asset, fair value									0	106
Derivative instrument, liability, fair value					0	0	0	0	21	0	64	0
Derivative instruments, gain on sale of loans	$ 143	$ 42	$ 464	$ 1,400