Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Designated as hedging instruments:
Derivative financial instruments
Derivative liabilities:	$ 4,266	$ 3,847
Not designated as hedging instruments:
Derivative financial instruments
Derivative assets:	7,498	3,731
Derivative liabilities:	3,053	2,446
Significant Other Observable Inputs (Level 2)
Derivative financial instruments
Derivative assets:	7,498	3,731
Derivative liabilities:	7,319	6,293
Significant Other Observable Inputs (Level 2) | Interest rate swap
Derivative financial instruments
Derivative liabilities:	4,266
Significant Other Observable Inputs (Level 2) | Interest rate contracts
Derivative financial instruments
Derivative assets:	2,544
Derivative liabilities:	2,544
Significant Other Observable Inputs (Level 2) | Interest rate lock commitments
Derivative financial instruments
Derivative assets:	4,508
Significant Other Observable Inputs (Level 2) | Forward commitments
Derivative financial instruments
Derivative assets:	446	5
Derivative liabilities:	509
Recurring
Derivative financial instruments
Derivative assets:	7,498	3,731
Derivative liabilities:	7,319	6,293
Recurring | Interest rate swap
Derivative financial instruments
Derivative assets:	0	0
Derivative liabilities:	4,266	3,847
Recurring | Interest rate contracts
Derivative financial instruments
Derivative assets:	2,544	2,142
Derivative liabilities:	2,544	2,143
Recurring | Interest rate lock commitments
Derivative financial instruments
Derivative assets:	4,508	1,584
Derivative liabilities:	0	0
Recurring | Forward commitments
Derivative financial instruments
Derivative assets:	446	5
Derivative liabilities:	509	303
Recurring | Significant Other Observable Inputs (Level 2)
Derivative financial instruments
Derivative assets:	7,498	3,731
Derivative liabilities:	7,319	6,293
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate swap
Derivative financial instruments
Derivative assets:	0	0
Derivative liabilities:		3,847
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate contracts
Derivative financial instruments
Derivative assets:		2,142
Derivative liabilities:		2,143
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate lock commitments
Derivative financial instruments
Derivative assets:		1,584
Derivative liabilities:	0	0
Recurring | Significant Other Observable Inputs (Level 2) | Forward commitments
Derivative financial instruments
Derivative liabilities:		303
Recurring | Significant Other Observable Inputs (Level 2) | Other Assets | Not designated as hedging instruments: | Interest rate contracts
Derivative financial instruments
Derivative assets:	2,544	2,142
Recurring | Significant Other Observable Inputs (Level 2) | Other Assets | Not designated as hedging instruments: | Interest rate lock commitments
Derivative financial instruments
Derivative assets:	4,508	1,584
Recurring | Significant Other Observable Inputs (Level 2) | Other Assets | Not designated as hedging instruments: | Forward commitments
Derivative financial instruments
Derivative assets:	446	5
Recurring | Significant Other Observable Inputs (Level 2) | Other Liabilities | Designated as hedging instruments: | Interest rate swap
Derivative financial instruments
Derivative liabilities:	4,266	3,847
Recurring | Significant Other Observable Inputs (Level 2) | Other Liabilities | Not designated as hedging instruments: | Interest rate contracts
Derivative financial instruments
Derivative liabilities:	2,544	2,143
Recurring | Significant Other Observable Inputs (Level 2) | Other Liabilities | Not designated as hedging instruments: | Forward commitments
Derivative financial instruments
Derivative liabilities:	$ 509	$ 303