Deposits - Schedule of Interest expense on Deposits (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest expense on deposits
NOW accounts	$ 500	$ 484	$ 1,480	$ 1,465
Statement savings accounts	256	262	761	771
Money market accounts	2,089	2,084	6,254	5,057
Certificates of deposit	3,175	2,532	9,015	6,087
Interest expense on deposits, Total	$ 6,020	$ 5,362	$ 17,510	$ 13,380

Aggregate amount of interest expense on all deposits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.6)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- References

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- Definition

Interest expense incurred on all money market deposits.

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- Definition

Interest expense incurred on the amount of Negotiable Order of Withdrawal (NOW). Interest-bearing transaction account that combines the payable on demand feature of checks and investment feature of savings accounts. A NOW account is functionally an interest paying checking account.

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- Definition

Interest expense incurred on all savings account deposits.

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- Definition

The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.

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