3. Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Residential mortgage loans held for sale, fair value	$ 413	$ 321
Impaired loans, fair value	23,742	56,382
OREO	48,783	53,392	47,258
Commercial Loan [Member]
Impaired loans, fair value	0	1,616
OREO	110	0
Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	2,119	17,902
OREO	5,762	9,903
Construction And Development Financial Receivable [Member]
Impaired loans, fair value	13,079	22,083
OREO	30,920	31,610
Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	8,540	14,747
OREO	11,991	11,879
Consumer Portfolio Segment [Member]
Impaired loans, fair value	4	34
Fair Value Inputs Level1 [Member]
Residential mortgage loans held for sale, fair value	0	0
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Commercial Loan [Member]
Impaired loans, fair value	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	0	0
OREO	0	0
Fair Value Inputs Level1 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	0	0
Fair Value Inputs Level2 [Member]
Residential mortgage loans held for sale, fair value	413	321
Impaired loans, fair value	20,563	31,728
OREO	46,263	51,743
Fair Value Inputs Level2 [Member] | Commercial Loan [Member]
Impaired loans, fair value	0	920
OREO	110	0
Fair Value Inputs Level2 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	2,119	4,879
OREO	5,762	9,903
Fair Value Inputs Level2 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	9,918	17,590
OREO	28,810	29,993
Fair Value Inputs Level2 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	8,526	8,336
OREO	11,581	11,847
Fair Value Inputs Level2 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	0	3
Fair Value Inputs Level3 [Member]
Residential mortgage loans held for sale, fair value	0	0
Impaired loans, fair value	3,179	24,654
OREO	2,520	1,649
Fair Value Inputs Level3 [Member] | Commercial Loan [Member]
Impaired loans, fair value	0	696
OREO	0	0
Fair Value Inputs Level3 [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired loans, fair value	0	13,023
OREO	0	0
Fair Value Inputs Level3 [Member] | Construction And Development Financial Receivable [Member]
Impaired loans, fair value	3,161	4,493
OREO	2,110	1,617
Fair Value Inputs Level3 [Member] | Residential Real Estate Financial Receivable [Member]
Impaired loans, fair value	14	6,411
OREO	410	32
Fair Value Inputs Level3 [Member] | Consumer Portfolio Segment [Member]
Impaired loans, fair value	$ 4	$ 31