Loans and Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for loan losses:
Beginning Balance	$ 19,789	$ 19,006	$ 17,461
Provision (release)	9,166	1,600	1,228
Charge-offs	3,068	2,051	2,097
Recoveries	2,089	1,234	2,414
Ending Balance	33,855	19,789	19,006
Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	5,879
Commercial
Allowance for loan losses:
Beginning Balance	3,015	2,832	2,453
Provision (release)	72	218	263
Charge-offs	39	109	41
Recoveries	56	74	157
Ending Balance	2,812	3,015	2,832
Commercial \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	(292)
Leases
Allowance for loan losses:
Beginning Balance	1,262	734	692
Provision (release)	2,233	577	55
Charge-offs	206	49	13
Recoveries	98
Ending Balance	3,888	1,262	734
Leases \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	501
Commercial real estate - Investor
Allowance for loan losses:
Beginning Balance	6,218	6,339	5,020
Provision (release)	4,075	(497)	2,255
Charge-offs	512	303	1,376
Recoveries	165	679	440
Ending Balance	9,205	6,218	6,339
Commercial real estate - Investor \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	(741)
Commercial real estate - Owner occupied
Allowance for loan losses:
Beginning Balance	3,678	3,515	3,157
Provision (release)	487	874	523
Charge-offs	1,763	716	172
Recoveries	697	5	7
Ending Balance	2,251	3,678	3,515
Commercial real estate - Owner occupied \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	(848)
Real estate - construction
Allowance for loan losses:
Beginning Balance	513	969	923
Provision (release)	2,095	(448)	(5)
Charge-offs	60	9	(16)
Recoveries	172	1	35
Ending Balance	4,054	513	969
Real estate - construction \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	1,334
Real estate - Investor
Allowance for loan losses:
Beginning Balance	601	554	542
Provision (release)	350	43	(110)
Charge-offs	8	7	(13)
Recoveries	57	11	109
Ending Balance	1,740	601	554
Real estate - Investor \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	740
Real estate - Owner occupied
Allowance for loan losses:
Beginning Balance	1,257	1,377	1,304
Provision (release)	(107)	(86)	(784)
Charge-offs	43	111	(10)
Recoveries	287	77	847
Ending Balance	2,714	1,257	1,377
Real estate - Owner occupied \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	1,320
Multifamily
Allowance for loan losses:
Beginning Balance	1,444	616	1,345
Provision (release)	449	813	(941)
Charge-offs			(22)
Recoveries		15	190
Ending Balance	3,625	1,444	616
Multifamily \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	1,732
HELOC
Allowance for loan losses:
Beginning Balance	1,161	1,449	1,446
Provision (release)	(1,198)	(351)	(214)
Charge-offs	127	109	147
Recoveries	387	172	364
Ending Balance	1,749	1,161	1,449
HELOC \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	1,526
HELOC - Purchased
Allowance for loan losses:
Provision (release)	265	229
Charge-offs	66	229
Ending Balance	199
Other
Allowance for loan losses:
Beginning Balance	640	621	579
Provision (release)	445	228	186
Charge-offs	244	409	409
Recoveries	170	200	265
Ending Balance	1,618	$ 640	$ 621
Other \| Accounting Standards Update 2016-13
Allowance for loan losses:
Ending Balance	$ 607

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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