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Deposits (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Deposit [Line Items] |  |
Deposits | $ 1,455,299 | $ 1,394,331
Deposits, average balance | $ 1,399,840 | $ 1,459,067
Deposits, average rate | 1.11% | 0.74%
Non-interest-bearing transaction accounts |  |
Deposit [Line Items] |  |
Deposits | $ 280,769 | $ 277,445
Deposits, average balance | $ 241,529 | $ 230,907
Deposits, average rate | 0.00% | 0.00%
Interest-bearing transaction accounts |  |
Deposit [Line Items] |  |
Deposits | $ 229,612 | $ 217,625
Deposits, average balance | $ 269,943 | $ 226,540
Deposits, average rate | 0.99% | 0.59%
Money market accounts |  |
Deposit [Line Items] |  |
Deposits | $ 516,045 | $ 515,077
Deposits, average balance | $ 491,756 | $ 583,241
Deposits, average rate | 1.09% | 0.47%
Certificates of deposit |  |
Deposit [Line Items] |  |
Deposits | $ 153,022 | $ 76,199
Deposits, average balance | $ 94,172 | $ 56,667
Deposits, average rate | 1.70% | 1.00%
Wholesale deposits |  |
Deposit [Line Items] |  |
Deposits | $ 275,851 | $ 307,985
Deposits, average balance | $ 302,440 | $ 361,712
Deposits, average rate | 1.95% | 1.70%

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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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