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Fair Value of Financial Instruments - Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Total available-for-sale securities	$ 190,767	$ 137,518
Loans held-for-sale (mandatory pricing agreements)	28,494	32,618
Interest rate lock commitments
Derivative financial instrument	623	521
Forward contracts
Derivative financial instrument		(405)
Loans held-for-sale (mandatory pricing agreements)
Loans held-for-sale (mandatory pricing agreements)	28,494	32,618
Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	2,985	2,006
Loans held-for-sale (mandatory pricing agreements)	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate lock commitments
Derivative financial instrument	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward contracts
Derivative financial instrument	240	(405)
Quoted Prices in Active Markets for Identical Assets (Level 1) | Loans held-for-sale (mandatory pricing agreements)
Loans held-for-sale (mandatory pricing agreements)	0	0
Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	187,782	135,512
Loans held-for-sale (mandatory pricing agreements)	1,378	2,053
Significant Other Observable Inputs (Level 2) | Interest rate lock commitments
Derivative financial instrument	0	0
Significant Other Observable Inputs (Level 2) | Forward contracts
Derivative financial instrument	0	0
Significant Other Observable Inputs (Level 2) | Loans held-for-sale (mandatory pricing agreements)
Loans held-for-sale (mandatory pricing agreements)	28,494	32,618
Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0	0
Loans held-for-sale (mandatory pricing agreements)	0	0
Significant Unobservable Inputs (Level 3) | Interest rate lock commitments
Derivative financial instrument	623	521
Significant Unobservable Inputs (Level 3) | Forward contracts
Derivative financial instrument	0	0
Significant Unobservable Inputs (Level 3) | Loans held-for-sale (mandatory pricing agreements)
Loans held-for-sale (mandatory pricing agreements)	0	0
U.S. Government-sponsored agencies
Total available-for-sale securities	27,572	13,552
U.S. Government-sponsored agencies | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	0	0
U.S. Government-sponsored agencies | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	27,572	13,552
U.S. Government-sponsored agencies | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0	0
Municipal securities
Total available-for-sale securities	14,779
Municipal securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	0
Municipal securities | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	14,779
Municipal securities | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0
Mortgage-backed securities
Total available-for-sale securities	106,674	117,048
Mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	0	0
Mortgage-backed securities | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	106,674	117,048
Mortgage-backed securities | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0	0
Asset-backed securities
Total available-for-sale securities	19,452	4,912
Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	0	0
Asset-backed securities | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	19,452	4,912
Asset-backed securities | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0	0
Corporate securities
Total available-for-sale securities	19,305
Corporate securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities	0
Corporate securities | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	19,305
Corporate securities | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0
Other securities
Total available-for-sale securities	2,985	2,006
Other securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Total available-for-sale securities		2,006
Other securities | Significant Other Observable Inputs (Level 2)
Total available-for-sale securities	0	0
Other securities | Significant Unobservable Inputs (Level 3)
Total available-for-sale securities	0	$ 0
Other securities
Total available-for-sale securities	2,985
Forward contracts | Forward contracts
Derivative financial instrument	$ 240

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 25



-Paragraph 1



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558



Reference 2: http://www.xbrl.org/2003/role/presentationRef



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-Name Accounting Standards Codification



-Topic 320



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Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



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-Section 45



-Paragraph 1



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