Derivatives and Hedging (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 22, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Derivative, Inception Date	Sep. 22, 2015
Derivative Liability, Notional Amount	$ 100,000	$ 153,593	$ 9,369
Interest Rate Derivative Liabilities, at Fair Value		1,314	829
Derivative Asset, Notional Amount		253,851	109,369
Interest Rate Derivative Assets, at Fair Value		2,749	953
Derivative, Fixed Interest Rate	1.94%
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount		100,000
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion		(198)	165	$ 0
Derivative Liability, Notional Amount		100,000	0
Interest Rate Derivative Liabilities, at Fair Value		33	0
Derivative Asset, Notional Amount		0	100,000
Interest Rate Derivative Assets, at Fair Value		0	165
Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount		53,593	9,369
Interest Rate Derivative Liabilities, at Fair Value		1,281	829
Derivative Asset, Notional Amount		53,593	9,369
Interest Rate Derivative Assets, at Fair Value		1,332	788
Derivative, Loss on Derivative		(92)	(43)	(2)
Fee Income on Derivatives		933	(139)	70
Amount of net gains (losses) included in mortgage banking revenues		1,417	0	$ 0
Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount			0
Interest Rate Derivative Liabilities, at Fair Value			0
Derivative Asset, Notional Amount		73,422
Interest Rate Derivative Assets, at Fair Value		1,131
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount			0
Interest Rate Derivative Liabilities, at Fair Value		286	$ 0
Derivative Asset, Notional Amount		$ 126,836