Fair Value Measurements, Balance Sheet Grouping (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Level 1 [Member]
Financial assets [Abstract]
Cash and Cash Equivalents	$ 71,523
Securities	0
Loans Held-for-sale	0
Net portfolio loans	0
Bank-owned life insurance	0
Accrued interest receivable	0
Derivative financial instruments	0
Financial liabilities [Abstract]
Deposits	0
Securities sold under agreements to repurchase	0
Short-term debt	0
FHLB borrowings	0
Trust preferred capital notes	0
Accrued interest payable	0
Interest rate swap	0
Mortgage banking hedge instruments	0
Level 2 [Member]
Financial assets [Abstract]
Cash and Cash Equivalents	0
Securities	308,374
Loans Held-for-sale	92,501
Net portfolio loans	698,432
Bank-owned life insurance	16,388
Accrued interest receivable	3,999
Derivative financial instruments	91
Financial liabilities [Abstract]
Deposits	987,735
Securities sold under agreements to repurchase	32,767
Short-term debt	17,657
FHLB borrowings	74,059
Trust preferred capital notes	5,236
Accrued interest payable	681
Interest rate swap	563
Mortgage banking hedge instruments	63
Level 3 [Member]
Financial assets [Abstract]
Cash and Cash Equivalents	0
Securities	0
Loans Held-for-sale	0
Net portfolio loans	2,072
Bank-owned life insurance	0
Accrued interest receivable	0
Derivative financial instruments	0
Financial liabilities [Abstract]
Deposits	0
Securities sold under agreements to repurchase	0
Short-term debt	0
FHLB borrowings	0
Trust preferred capital notes	0
Accrued interest payable	0
Interest rate swap	0
Mortgage banking hedge instruments	0
Carrying Amount [Member]
Financial assets [Abstract]
Cash and Cash Equivalents	71,523	51,270
Securities	308,374	308,242
Loans Held-for-sale	92,501	749,284
Net portfolio loans	678,423
Bank-owned life insurance	16,388	16,025
Accrued interest receivable	3,999	4,221
Derivative financial instruments	91
Financial liabilities [Abstract]
Deposits	984,447	929,869
Securities sold under agreements to repurchase	32,767	31,686
Short-term debt	17,657	28,331
FHLB borrowings	72,912	82,912
Trust preferred capital notes	5,155	5,155
Accrued interest payable	681	844
Interest rate swap	563	314
Mortgage banking hedge instruments	63
Fair Value [Member]
Financial assets [Abstract]
Cash and Cash Equivalents	71,523	51,270
Securities	308,374	308,242
Loans Held-for-sale	92,501	770,759
Net portfolio loans	700,504
Bank-owned life insurance	16,388	16,025
Accrued interest receivable	3,999	4,221
Derivative financial instruments	91
Financial liabilities [Abstract]
Deposits	987,735	934,322
Securities sold under agreements to repurchase	32,767	31,686
Short-term debt	17,657	28,331
FHLB borrowings	74,059	83,899
Trust preferred capital notes	5,236	5,216
Accrued interest payable	681	844
Interest rate swap	563	314
Mortgage banking hedge instruments	$ 63