Loans - Past Due Status (Details) - USD ($) $ in Thousands	Dec. 31, 2016		Dec. 31, 2015
Loans on nonaccrual status
Total Past Due	$ 23,155		$ 24,656
PCI	9,256		13,908
Current	964,817	[1]	862,897
Total Loans	997,228		901,461
90+ days past due and accruing	6		761
Additional disclosure for nonaccrual loans
Current, nonaccrual status	3,040		3,170
Nonaccrual loans, 30-59 days past due	570		377
Nonaccrual loans, 60-89 days past due	370		887
Nonaccrual loans, 90+ days past due	867,000,000		2,550
30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	19,930		17,740
60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	2,358		3,778
90+ Days Past Due
Loans on nonaccrual status
Total Past Due	867		3,138
Real estate - residential mortgage
Loans on nonaccrual status
Total Past Due	1,265		1,457
PCI	1,219		1,305
Current	185,780	[1]	184,001
Total Loans	188,264		186,763
90+ days past due and accruing			268
Real estate - residential mortgage | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	848		737
Real estate - residential mortgage | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	233		146
Real estate - residential mortgage | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due	184		574
Equity lines
Loans on nonaccrual status
Total Past Due	991		990
PCI	278		286
Current	51,331	[1]	48,835
Total Loans	52,600		50,111
Equity lines | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	853		378
Equity lines | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	138
Equity lines | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due			612
Consumer Loan
Loans on nonaccrual status
Total Past Due	140		105
Current	8,259	[1]	8,906
Total Loans	8,399		9,011
90+ days past due and accruing	6
Consumer Loan | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	22		84
Consumer Loan | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due			2
Consumer Loan | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due	118		19
Consumer Finance
Loans on nonaccrual status
Total Past Due	15,551		18,140
Current	286,294	[1]	273,615
Total Loans	301,845		291,755
Consumer Finance | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	13,011		15,046
Consumer Finance | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	1,975		2,264
Consumer Finance | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due	565		830
Construction Lending | Real estate - construction
Loans on nonaccrual status
Current	47,062	[1]	5,996
Total Loans	47,062		5,996
Consumer lot lending | Real estate - construction
Loans on nonaccrual status
Current	8,670	[1]	1,763
Total Loans	8,670		1,763
Commercial real estate lending | Commercial, financial and agricultural
Loans on nonaccrual status
Total Past Due	5,133		3,178
PCI	7,245		10,359
Current	251,142	[1]	204,079
Total Loans	263,520		217,616
90+ days past due and accruing			172
Commercial real estate lending | Commercial, financial and agricultural | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	5,121		1,475
Commercial real estate lending | Commercial, financial and agricultural | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	12		1,280
Commercial real estate lending | Commercial, financial and agricultural | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due			423
Land acquisition and development lending | Commercial, financial and agricultural
Loans on nonaccrual status
Current	73,039	[1]	46,311
Total Loans	73,039		46,311
Builder line lending | Commercial, financial and agricultural
Loans on nonaccrual status
Total Past Due			359
Current	22,391	[1]	20,612
Total Loans	22,391		20,971
Builder line lending | Commercial, financial and agricultural | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due			359
Commercial business lending | Commercial, financial and agricultural
Loans on nonaccrual status
Total Past Due	75		427
PCI	514		1,958
Current	30,849	[1]	68,779
Total Loans	31,438		71,164
90+ days past due and accruing			321
Commercial business lending | Commercial, financial and agricultural | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	75		20
Commercial business lending | Commercial, financial and agricultural | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due			86
Commercial business lending | Commercial, financial and agricultural | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due			321
CVBK
Loans on nonaccrual status
Current	52,640		66,370
CVBK | 30-59 Days Past Due
Loans on nonaccrual status
Total Past Due	532		270
CVBK | 60-89 Days Past Due
Loans on nonaccrual status
Total Past Due	143		0
CVBK | 90+ Days Past Due
Loans on nonaccrual status
Total Past Due	17		378
PCI Loans
Loans on nonaccrual status
90+ days past due and accruing			172
PCI Loans | CVBK | PCI
Loans on nonaccrual status
PCI	$ 9,256		$ 13,908

[1] For the purposes of the table above, “Current” includes loans that are 1-29 days past due.