Condensed Financial Information (Parent Company Only) - Condensed Balance Sheets - (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 5,971	$ 4,366
Other assets	3,036	5,592
Total assets	509,475	482,837
Liabilities
Borrowings	54,872	49,717
Other liabilities	4,569	3,371
Total liabilities	456,733	448,373
Stockholders' Equity	52,742	34,464	35,587
Total liabilities and stockholders' equity	509,475	482,837
Parent Company
Assets
Cash and due from banks	11,848	686
Investment in subsidiaries	48,035	40,761
Investment in RVB Trust I	217	217
Other assets	530	343
Total assets	60,630	42,007
Liabilities
Borrowings	7,217	7,217
Dividends payable	578	321
Other liabilities	93	5
Total liabilities	7,888	7,543
Stockholders' Equity	52,742	34,464
Total liabilities and stockholders' equity	$ 60,630	$ 42,007