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Loans - Credit Quality (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Loans by risk rating
Total Loans	$ 1,903,146	$ 1,897,027	$ 1,601,812
PCI loans, net of purchase accounting adjustments	10,851
Total Loans	1,903,146
Multifamily
Loans by risk rating
Total Loans	190,478	196,228
Commercial Portfolio Segment [Member]
Loans by risk rating
Total Loans	324,450	314,323	281,134
Total Loans	324,450
Finance Leases Financing Receivable [Member]
Loans by risk rating
Total Loans	87,730	78,806	66,344
Total Loans	87,730
Commercial Real Estate Portfolio Segment [Member]
Loans by risk rating
Total Loans			713,422
PCI loans, net of purchase accounting adjustments	4,102
Total Loans	840,006
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	157,992	164,272
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	191,268	193,782
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	322,205	293,386
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	100,034	109,135
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Retail Properties Loan [Member]
Loans by risk rating
Total Loans	50,600	46,588
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Farm Loan [Member]
Loans by risk rating
Total Loans	13,805	13,778
Residential Portfolio Segment [Member]
Loans by risk rating
Total Loans			309,376
PCI loans, net of purchase accounting adjustments	6,039
Total Loans	405,905
Residential Portfolio Segment [Member] | Residential Investor Loan [Member]
Loans by risk rating
Total Loans	69,790	70,458
Residential Portfolio Segment [Member] | Residential Owner Occupied Loan [Member]
Loans by risk rating
Total Loans	139,598	140,382
Consumer Portfolio Segment [Member]
Loans by risk rating
Total Loans			129,234
Total Loans	133,859
Unallocated Financing Receivables [Member]
Loans by risk rating
Total Loans	15,699	16,092	10,823
Total Loans	15,699
Pass [Member]
Loans by risk rating
Total Loans	1,843,210	1,835,457
Pass [Member] | Multifamily
Loans by risk rating
Total Loans	189,673	195,249
Pass [Member] | Commercial Portfolio Segment [Member]
Loans by risk rating
Total Loans	316,162	305,993
Pass [Member] | Finance Leases Financing Receivable [Member]
Loans by risk rating
Total Loans	87,616	78,806
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	152,313	157,334
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	183,197	186,218
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	314,375	284,818
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	95,578	104,526
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Retail Properties Loan [Member]
Loans by risk rating
Total Loans	48,833	44,805
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Farm Loan [Member]
Loans by risk rating
Total Loans	11,365	11,307
Pass [Member] | Residential Portfolio Segment [Member] | Residential Investor Loan [Member]
Loans by risk rating
Total Loans	68,799	69,242
Pass [Member] | Residential Portfolio Segment [Member] | Residential Owner Occupied Loan [Member]
Loans by risk rating
Total Loans	134,735	135,858
Pass [Member] | Unallocated Financing Receivables [Member]
Loans by risk rating
Total Loans	15,671	16,061
Special Mention [Member]
Loans by risk rating
Total Loans	11,514	19,149
Special Mention [Member] | Multifamily
Loans by risk rating
Total Loans	318
Special Mention [Member] | Commercial Portfolio Segment [Member]
Loans by risk rating
Total Loans	1,213	8,193
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	1,364	1,660
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	2,055	3,429
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	201	202
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	1,496	1,510
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Retail Properties Loan [Member]
Loans by risk rating
Total Loans	608
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Farm Loan [Member]
Loans by risk rating
Total Loans	1,218	1,249
Special Mention [Member] | Residential Portfolio Segment [Member] | Residential Owner Occupied Loan [Member]
Loans by risk rating
Total Loans	135
Substandard [Member]
Loans by risk rating
Total Loans	48,422	42,421
Substandard [Member] | Multifamily
Loans by risk rating
Total Loans	487	979
Substandard [Member] | Commercial Portfolio Segment [Member]
Loans by risk rating
Total Loans	7,075	137
Substandard [Member] | Finance Leases Financing Receivable [Member]
Loans by risk rating
Total Loans	114
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	4,315	5,278
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	6,016	4,135
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Loans by risk rating
Total Loans	7,629	8,366
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member]
Loans by risk rating
Total Loans	2,960	3,099
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Retail Properties Loan [Member]
Loans by risk rating
Total Loans	1,159	1,783
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Farm Loan [Member]
Loans by risk rating
Total Loans	1,222	1,222
Substandard [Member] | Residential Portfolio Segment [Member] | Residential Investor Loan [Member]
Loans by risk rating
Total Loans	991	1,216
Substandard [Member] | Residential Portfolio Segment [Member] | Residential Owner Occupied Loan [Member]
Loans by risk rating
Total Loans	4,728	4,524
Substandard [Member] | Unallocated Financing Receivables [Member]
Loans by risk rating
Total Loans	28	31
PCI
Loans by risk rating
Total Loans	10,851	10,965
PCI | Pass [Member]
Loans by risk rating
Total Loans	815	907
PCI | Special Mention [Member]
Loans by risk rating
Total Loans	2,893	2,906
PCI | Substandard [Member]
Loans by risk rating
Total Loans	7,143	7,152
Non-PCI
Loans by risk rating
Total Loans	1,892,295	1,886,062
Non-PCI | Pass [Member]
Loans by risk rating
Total Loans	1,842,395	1,834,550
Non-PCI | Special Mention [Member]
Loans by risk rating
Total Loans	8,621	16,243
Non-PCI | Substandard [Member]
Loans by risk rating
Total Loans	41,279	35,269
Construction Loans | Commercial Real Estate Portfolio Segment [Member]
Loans by risk rating
Total Loans			$ 91,479
PCI loans, net of purchase accounting adjustments	710
Total Loans	95,497
Construction Loans | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Homebuilder Loan [Member]
Loans by risk rating
Total Loans	4,456	5,102
Construction Loans | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Land Loan [Member]
Loans by risk rating
Total Loans	2,686	2,744
Construction Loans | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Commercial Speculative Loan [Member]
Loans by risk rating
Total Loans	54,853	55,410
Construction Loans | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Other Receivable [Member]
Loans by risk rating
Total Loans	32,792	45,134
Construction Loans | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Homebuilder Loan [Member]
Loans by risk rating
Total Loans	4,456	5,102
Construction Loans | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Land Loan [Member]
Loans by risk rating
Total Loans	2,686	2,744
Construction Loans | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Commercial Speculative Loan [Member]
Loans by risk rating
Total Loans	54,853	55,410
Construction Loans | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Other Receivable [Member]
Loans by risk rating
Total Loans	30,203	42,524
Construction Loans | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Real Estate, Other Receivable [Member]
Loans by risk rating
Total Loans	2,589	2,610
Home Equity Line of Credit | Residential Portfolio Segment [Member]
Loans by risk rating
Total Loans	133,859	140,442
Home Equity Line of Credit | Pass [Member] | Residential Portfolio Segment [Member]
Loans by risk rating
Total Loans	131,880	138,553
Home Equity Line of Credit | Special Mention [Member] | Residential Portfolio Segment [Member]
Loans by risk rating
Total Loans	13
Home Equity Line of Credit | Substandard [Member] | Residential Portfolio Segment [Member]
Loans by risk rating
Total Loans	$ 1,966	$ 1,889

X

- Definition

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 and purchased credit impaired loans. Excludes loans and leases covered under loss sharing agreements.

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