Borrowings and Subordinated Debentures (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016	Dec. 31, 2015
Advances from the Federal Home Loan Bank [Abstract]
Line of credit with federal home loan bank, amount	$ 285,800
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged	20,100
Amount [Abstract]
Advances maturing in 2016	24,000			$ 19,000
Advances maturing in 2017	25,000			25,000
Advances maturing in 2018	10,000			10,000
Total FHLB borrowings	$ 59,000			$ 54,000
Rate [Abstract]
Advances maturing in 2015 (as a percent)	0.64%			0.85%
Advances maturing in 2016 (as a percent)	1.46%			1.46%
Advances maturing in 2017 (as a percent)	2.01%			2.01%
Repayments of Long-term Debt	$ 10,226	$ 10,228
Line of credit maximum borrowing capacity	20,000
Outstanding line of credit			$ 0	$ 0
Notes payable [Member] | Notes Payable To PNCBank Due August2016 Member
Rate [Abstract]
Notes payable with PNC Bank	$ 1,700			2,000
Description of variable rate basis on notes payable	one month LIBOR
Interest rate on notes payable (as a percent)	0.60%
Notes payable [Member] | Notes PayableTo PNCBank Due January2018 Member
Rate [Abstract]
Notes payable with PNC Bank			$ 35,000	$ 35,000
Weighted average interest rate on other borrowings from PNC Bank (as a percent)	3.65%
Notes payable [Member] | London Interbank Offered Rate (LIBOR) [Member] | Notes Payable To PNCBank Due August2016 Member
Rate [Abstract]
Trust preferred securities basis spread on variable rate (as a percent)	0.15%