Loans - Loans Acquired (Details) - CVBK - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans
Outstanding principal balance	$ 42,696	$ 48,502
Carrying amount
Acquired Loans	34,478	38,709
Real estate - residential mortgage
Carrying amount
Acquired Loans	7,971	9,107
Commercial, financial and agricultural
Carrying amount
Acquired Loans	17,530	20,443
Equity lines
Carrying amount
Acquired Loans	8,973	9,153
Consumer
Carrying amount
Acquired Loans	4	6
PCI Loans
Loans
Outstanding principal balance	7,126	9,734
Carrying amount
Acquired Loans	610	1,835
PCI Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	115	284
PCI Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	460	1,461
PCI Loans | Equity lines
Carrying amount
Acquired Loans	35	90
Purchased Performing Loans
Loans
Outstanding principal balance	35,570	38,768
Carrying amount
Acquired Loans	33,868	36,874
Purchased Performing Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	7,856	8,823
Purchased Performing Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	17,070	18,982
Purchased Performing Loans | Equity lines
Carrying amount
Acquired Loans	8,938	9,063
Purchased Performing Loans | Consumer
Carrying amount
Acquired Loans	$ 4	$ 6