Deposits - Summary of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Banking and Thrift [Abstract]
Interest-bearing demand	$ 4,523	$ 2,211	$ 1,119
Money market	9,854	4,690	3,343
Savings	1,030	1,017	655
Time deposits	8,591	4,806	3,303
Total customer interest expense	23,998	12,724	8,420
Brokered deposits	5,070	2,180	1,001
Total interest expense on deposits	$ 29,068	$ 14,904	$ 9,421

No definition available.

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- Definition

Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.6)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

+ Details

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- Definition

Aggregate amount of interest expense on all deposits.

+ References

+ Details

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- Definition

Amount of interest expense on domestic brokered deposit liabilities.

+ References

+ Details

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- Definition

Amount of interest expense on domestic retail deposit liabilities.

+ References

+ Details

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- Definition

Interest expense incurred on all money market deposits.

+ References

+ Details

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- Definition

Interest expense incurred on all savings account deposits.

+ References

+ Details

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- Definition

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

+ References

+ Details

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