Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Aged analysis of past due loans
30-59 Days Past Due	$ 4,591	$ 7,026
60-89 Days Past Due	1,838	5,103
90 Days or Greater Past Due		318
Total Past Due	6,429	12,447
Current	1,131,197	1,229,752
Nonaccrual	100,508	126,786
Total Financing Receivables	1,238,134	1,368,985	1,530,406
Recorded Investment 90 days or Greater Past Due and Accruing		318
Commercial
Aged analysis of past due loans
30-59 Days Past Due	232	161
60-89 Days Past Due	87	20
Total Past Due	319	181
Current	91,285	98,840
Nonaccrual	1,091	1,165
Total Financing Receivables	92,695	100,186	123,205
Real estate - commercial
Aged analysis of past due loans
Total Financing Receivables	625,056		765,599
Real estate - commercial \| Owner occupied general purpose
Aged analysis of past due loans
30-59 Days Past Due	684	912
60-89 Days Past Due	9
Total Past Due	693	912
Current	126,477	137,250
Nonaccrual	6,091	12,744
Total Financing Receivables	133,261	150,906
Real estate - commercial \| Owner occupied special purpose
Aged analysis of past due loans
30-59 Days Past Due	519
60-89 Days Past Due		39
Total Past Due	519	39
Current	156,580	172,624
Nonaccrual	12,234	16,564
Total Financing Receivables	169,333	189,227
Real estate - commercial \| Non-owner occupied general purpose
Aged analysis of past due loans
30-59 Days Past Due		471
90 Days or Greater Past Due		318
Total Past Due		789
Current	124,526	147,099
Nonaccrual	21,765	12,893
Total Financing Receivables	146,291	160,781
Recorded Investment 90 days or Greater Past Due and Accruing		318
Real estate - commercial \| Non-owner occupied special purpose
Aged analysis of past due loans
60-89 Days Past Due	247
Total Past Due	247
Current	93,391	107,425
Nonaccrual	497	1,814
Total Financing Receivables	94,135	109,239
Real estate - commercial \| Retail properties
Aged analysis of past due loans
Current	40,864	42,535
Nonaccrual	12,782	15,897
Total Financing Receivables	53,646	58,432
Real estate - commercial \| Farm
Aged analysis of past due loans
30-59 Days Past Due		197
Total Past Due		197
Current	26,112	34,136
Nonaccrual	2,278	1,574
Total Financing Receivables	28,390	35,907
Real estate - construction
Aged analysis of past due loans
Total Financing Receivables	57,064		94,529
Real estate - construction \| Homebuilder
Aged analysis of past due loans
Current	7,686	8,725
Nonaccrual	6,087	10,193
Total Financing Receivables	13,773	18,918
Real estate - construction \| Land
Aged analysis of past due loans
Current	8,197	7,976
Nonaccrual	721	2,025
Total Financing Receivables	8,918	10,001
Real estate - construction \| Commercial speculative
Aged analysis of past due loans
60-89 Days Past Due		669
Total Past Due		669
Current	4,603	5,154
Nonaccrual	10,626	14,217
Total Financing Receivables	15,229	20,040
Real estate - construction \| All other
Aged analysis of past due loans
60-89 Days Past Due	243	74
Total Past Due	243	74
Current	18,805	17,714
Nonaccrual	96	4,689
Total Financing Receivables	19,144	22,477
Real estate - residential
Aged analysis of past due loans
Total Financing Receivables	447,151		519,907
Real estate - residential \| Investor
Aged analysis of past due loans
30-59 Days Past Due	1,499	338
60-89 Days Past Due		3,562
Total Past Due	1,499	3,900
Current	153,997	162,101
Nonaccrual	13,631	15,111
Total Financing Receivables	169,127	181,112
Real estate - residential \| Owner occupied
Aged analysis of past due loans
30-59 Days Past Due	374	3,414
60-89 Days Past Due	672	573
Total Past Due	1,046	3,987
Current	117,930	119,266
Nonaccrual	9,532	15,059
Total Financing Receivables	128,508	138,312
Real estate - residential \| Revolving and junior liens
Aged analysis of past due loans
30-59 Days Past Due	1,277	1,525
60-89 Days Past Due	580	166
Total Past Due	1,857	1,691
Current	144,582	153,244
Nonaccrual	3,077	2,841
Total Financing Receivables	149,516	157,776
Consumer
Aged analysis of past due loans
30-59 Days Past Due	6	8
Total Past Due	6	8
Current	3,315	3,781
Total Financing Receivables	3,321	3,789	4,361
All other
Aged analysis of past due loans
Current	12,847	11,882
Total Financing Receivables	$ 12,847	$ 11,882	$ 22,805

Financing receivables that are less than 60 days past due but more than 29 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Financing receivables that are current.

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Federal Regulation (FR)

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