Loans, Net - Narrative (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($) loan loan_segment	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan segments | loan_segment	3
Proceeds from sales of loans	$ 4,412,000	$ 1,127,000
Recorded investment	848,694,000		$ 802,354,000
Nonaccrual	6,976,000		8,784,000
Charge-offs	532,000	307,000	3,691,000
Recoveries	663,000	$ 390,000	658,000
Interest on non-accrual loans foregone	253,800		$ 342,000
Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales of loans	$ 4,400,000
Number of loans sold | loan	4
Recorded investment	$ 4,300,000
Nonaccrual	$ 1,200,000
Loans sold with no outstanding investment | loan	28
Charge-offs	$ 513,000
Recoveries	$ 640,000