Loans - Loans Acquired (Details) - CVBK - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Loans
Outstanding principal balance	$ 48,502	$ 57,939
Carrying amount
Acquired Loans	38,709	45,896
Real estate - residential mortgage
Carrying amount
Acquired Loans	9,107	11,347
Commercial, financial and agricultural
Carrying amount
Acquired Loans	20,443	24,777
Equity lines
Carrying amount
Acquired Loans	9,153	9,760
Consumer Loan
Carrying amount
Acquired Loans	6	12
PCI Loans
Loans
Outstanding principal balance	9,734	12,856
Carrying amount
Acquired Loans	1,835	3,103
PCI Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	284	492
PCI Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	1,461	2,472
PCI Loans | Equity lines
Carrying amount
Acquired Loans	90	139
Purchased Performing Loans
Loans
Outstanding principal balance	38,768	45,083
Carrying amount
Acquired Loans	36,874	42,793
Purchased Performing Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	8,823	10,855
Purchased Performing Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	18,982	22,305
Purchased Performing Loans | Equity lines
Carrying amount
Acquired Loans	9,063	9,621
Purchased Performing Loans | Consumer Loan
Carrying amount
Acquired Loans	$ 6	$ 12