Borrowings and Subordinated Debentures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Advances from the Federal Home Loan Bank [Abstract]
Line of credit with federal home loan bank, amount	$ 224,600
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged	21,300
Amount [Abstract]
Advances maturing in 2016	19,000		$ 19,000
Advances maturing in 2017	25,000		25,000
Advances maturing in 2018	10,000		10,000
Total FHLB borrowings	$ 54,000		$ 54,000
Rate [Abstract]
Advances maturing in 2015 (as a percent)	0.85%		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	$ 113	$ 114
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	$ 1,900		2,000
Description of variable rate basis on notes payable	one month LIBOR
Interest rate on notes payable (as a percent)	0.59%
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%