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Deposits (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Deposits [Line Items]
Deposits	$ 1,539,370	$ 1,438,268
Average balance, deposits	$ 1,482,041	$ 1,208,003
Deposits, weighted average interest rate during the period	0.71%	0.78%
Non-interest-bearing transaction accounts
Deposits [Line Items]
Deposits	$ 222,497	$ 204,328
Average balance, deposits	$ 206,547	$ 154,687
Deposits, weighted average interest rate during the period	0.00%	0.00%
Interest-bearing transaction accounts
Deposits [Line Items]
Deposits	$ 155,814	$ 104,199
Average balance, deposits	$ 117,241	$ 83,508
Deposits, weighted average interest rate during the period	0.23%	0.22%
Money market accounts
Deposits [Line Items]
Deposits	$ 591,190	$ 575,766
Average balance, deposits	$ 605,907	$ 493,322
Deposits, weighted average interest rate during the period	0.56%	0.52%
Certificates of deposit
Deposits [Line Items]
Deposits	$ 93,252	$ 126,635
Average balance, deposits	$ 112,602	$ 60,284
Deposits, weighted average interest rate during the period	0.76%	0.89%
Wholesale deposits
Deposits [Line Items]
Deposits	$ 476,617	$ 427,340
Average balance, deposits	$ 439,744	$ 416,202
Deposits, weighted average interest rate during the period	1.39%	1.49%

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- Definition

Average Balance, Deposits

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- Definition

Deposits, Weighted Average Interest Rate During the Period

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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

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