Financial Instruments with Off- Balance Sheet Risk (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Derivative [Line Items]
Interest Rate Derivative Assets, at Fair Value	$ 6,900,000		$ 3,100,000
Interest Rate Derivative Liabilities, at Fair Value	$ 7,200,000		3,100,000
Maximum Length of Time Hedged in Cash Flow Hedge	25 months
Reclassifications into Interest expense on cash flow hedge	$ 0
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	0
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	252,000	$ 0
Reclassifications into earnings on cash flow hedge	0
Fair Value of Interest Rate Swaps	6,900,000		3,100,000
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	30,000,000
Interest Rate Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 187,600,000		$ 144,400,000