Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 2,306,371	$ 1,765,469
Premiums, discounts and deferred fees and expenses	2,458	14
Loans, net of deferred fees	2,308,829	1,765,483
Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,563,807	1,160,568
Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans	459,703	358,791
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	228,579	196,584
Consumer Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	34,248	37,206
Real Estate Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,043,544	1,531,679
Real Estate Loans \| Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,563,807	1,160,568
Real Estate Loans \| Commercial Real Estate
Accounts Notes And Loans Receivable [Line Items]
Total loans	459,703	358,791
Real Estate Loans \| Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total loans	20,034	12,320
Multifamily \| Real Estate Loans \| Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total loans	986,921	627,311
Single Family \| Real Estate Loans \| Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 576,886	$ 533,257

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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