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Deposits (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Deposits [Line Items] |  |
Deposits | $ 1,423,724 | $ 1,538,855
Average balance, deposits | $ 1,481,183 | $ 1,591,971
Deposits, weighted average interest rate during the period | 0.72% | 0.74%
Non-interest-bearing transaction accounts |  |
Deposits [Line Items] |  |
Deposits | $ 253,320 | $ 252,638
Average balance, deposits | $ 228,231 | $ 246,182
Deposits, weighted average interest rate during the period | 0.00% | 0.00%
Interest-bearing transaction accounts |  |
Deposits [Line Items] |  |
Deposits | $ 251,355 | $ 183,992
Average balance, deposits | $ 221,526 | $ 169,571
Deposits, weighted average interest rate during the period | 0.53% | 0.27%
Money market accounts |  |
Deposits [Line Items] |  |
Deposits | $ 527,705 | $ 627,090
Average balance, deposits | $ 601,455 | $ 642,784
Deposits, weighted average interest rate during the period | 0.45% | 0.48%
Certificates of deposit |  |
Deposits [Line Items] |  |
Deposits | $ 58,144 | $ 58,454
Average balance, deposits | $ 55,888 | $ 65,608
Deposits, weighted average interest rate during the period | 0.98% | 0.90%
Wholesale deposits |  |
Deposits [Line Items] |  |
Deposits | $ 333,200 | $ 416,681
Average balance, deposits | $ 374,083 | $ 467,826
Deposits, weighted average interest rate during the period | 1.68% | 1.62%

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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://www.xbrl.org/2003/role/presentationRef -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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