Deposits (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Deposit [Line Items]
2015	$ 295,960,000
2016	119,385,000
2017	28,303,000
2018	47,289,000
2019	54,744,000
Thereafter	13,353,000
Total certificates of deposit	559,034,000
FDIC Insurance Limit	250,000
Time Deposits, $250,000 or more	136,600,000	$ 74,200,000
Deposits from certain officers, directors, and their associated companies	15,700,000	6,600,000
Deposit Liabilities Reclassified as Loans Receivable	663,000	$ 595,000
Retail [Member]
Deposit [Line Items]
2015	295,960,000
2016	90,763,000
2017	21,758,000
2018	47,289,000
2019	47,744,000
Thereafter	13,353,000
Total certificates of deposit	516,867,000
Brokered [Member]
Deposit [Line Items]
2016	28,622,000
2017	6,545,000
2019	7,000,000
Total certificates of deposit	$ 42,167,000