Loans and Allowance for Credit Losses on Loans - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Loans
2021	$ 755,460	$ 979,432
2020	595,018	309,922
2019	268,497	191,961
2018	166,359	202,725
2017	151,046	163,654
2016 and Prior	397,892	326,918
Revolving	498,594	451,375
Total loan balance	2,832,866	2,625,987
Balance to report	2,780,840	2,574,861
Loan classified as loss
Loans
Balance to report	0	0
Commercial
Loans
2021	304,455	453,231
2020	169,028	34,122
2019	19,144	22,510
2018	17,002	15,551
2017	10,442	10,565
2016 and Prior	9,105	8,561
Revolving	314,971	301,846
Total loan balance	844,147	846,386
Commercial | Pass [Member]
Loans
2021	302,753	431,369
2020	163,815	33,350
2019	19,144	21,154
2018	15,904	13,840
2017	9,543	7,341
2016 and Prior	8,699	8,292
Revolving	307,122	296,286
Total loan balance	826,980	811,632
Commercial | Special Mention [Member]
Loans
2021	323	15,720
2020	733	716
2019		1,301
2018	1,082	953
2017	447	713
2016 and Prior	270	170
Revolving	978	1,937
Total loan balance	3,833	21,510
Commercial | Substandard [Member]
Loans
2021	1,349	4,036
2020	3,337
2019		19
2018	16	758
2017	452	2,396
2016 and Prior	30	73
Revolving	6,357	3,236
Total loan balance	11,541	10,518
Commercial | Substandard-Nonaccrual [Member]
Loans
2021	30	2,106
2020	1,143	56
2019		36
2017		115
2016 and Prior	106	26
Revolving	514	387
Total loan balance	1,793	2,726
CRE - owner occupied
Loans
2021	78,577	177,614
2020	161,446	75,632
2019	75,523	72,596
2018	68,158	55,442
2017	38,511	50,716
2016 and Prior	136,838	112,398
Revolving	24,038	15,964
Total loan balance	583,091	560,362
CRE - owner occupied | Pass [Member]
Loans
2021	78,046	168,224
2020	154,477	73,064
2019	74,843	68,068
2018	66,269	51,705
2017	37,006	50,716
2016 and Prior	135,709	109,350
Revolving	24,038	15,964
Total loan balance	570,388	537,091
CRE - owner occupied | Special Mention [Member]
Loans
2021	531	3,151
2020	2,648	2,568
2019	680	4,128
2018	1,495	783
2017	770
2016 and Prior	1,089	2,569
Total loan balance	7,213	13,199
CRE - owner occupied | Substandard [Member]
Loans
2021		2,561
2020	2,547
2019		400
2018	394	2,954
2017	735
2016 and Prior	40	451
Total loan balance	3,716	6,366
CRE - owner occupied | Substandard-Nonaccrual [Member]
Loans
2021		3,678
2020	1,774
2016 and Prior		28
Total loan balance	1,774	3,706
CRE - non-owner occupied
Loans
2021	131,832	181,646
2020	156,227	128,361
2019	121,987	72,764
2018	59,797	99,816
2017	75,732	57,907
2016 and Prior	172,018	150,683
Revolving	24,542	1,926
Total loan balance	742,135	693,103
CRE - non-owner occupied | Pass [Member]
Loans
2021	131,832	166,550
2020	148,179	128,361
2019	121,987	68,796
2018	55,878	99,816
2017	75,126	57,422
2016 and Prior	165,195	150,683
Revolving	22,377	1,926
Total loan balance	720,574	673,554
CRE - non-owner occupied | Special Mention [Member]
Loans
2021		11,930
2020	2,808
2019		2,557
2018	2,527
2017	606
2016 and Prior	6,338
Revolving	2,165
Total loan balance	14,444	14,487
CRE - non-owner occupied | Substandard [Member]
Loans
2021		3,166
2020	5,240
2019		1,411
2018	1,392
2017		485
2016 and Prior	485
Total loan balance	7,117	5,062
Land and construction
Loans
2021	59,656	116,291
2020	56,553	22,054
2019	4,443
2016 and Prior	1,321	1,343
Revolving	7,453	4,906
Total loan balance	129,426	144,594
Land and construction | Pass [Member]
Loans
2021	58,297	114,932
2020	56,553	22,054
2019	4,443
2016 and Prior	1,321	1,343
Revolving	7,453	4,906
Total loan balance	128,067	143,235
Land and construction | Substandard [Member]
Loans
2021	1,359	1,359
Total loan balance	1,359	1,359
Home equity
Loans
2021		383
2020	107
2019		74
2018	61
2016 and Prior	143	143
Revolving	107,562	111,285
Total loan balance	107,873	111,885
Home equity | Pass [Member]
Loans
2021		266
2019		74
2018	61
Revolving	104,746	109,848
Total loan balance	104,807	110,188
Home equity | Special Mention [Member]
Loans
Revolving	1,932
Total loan balance	1,932
Home equity | Substandard [Member]
Loans
2016 and Prior	143	143
Revolving	823	605
Total loan balance	966	748
Home equity | Substandard-Nonaccrual [Member]
Loans
2021		117
2020	107
Revolving	61	832
Total loan balance	168	949
Multi-family
Loans
2021	43,725	32,370
2020	33,447	39,183
2019	37,612	17,248
2018	16,321	24,572
2017	21,215	16,235
2016 and Prior	45,536	35,937
Revolving	915	880
Total loan balance	198,771	166,425
Multi-family | Pass [Member]
Loans
2021	42,576	31,481
2020	32,568	39,183
2019	37,612	17,248
2018	16,321	24,572
2017	21,215	16,235
2016 and Prior	35,092	30,751
Revolving	915	880
Total loan balance	186,299	160,350
Multi-family | Special Mention [Member]
Loans
2016 and Prior	10,444	5,186
Total loan balance	10,444	5,186
Multi-family | Substandard [Member]
Loans
2021		889
2020	879
Total loan balance	879	889
Multi-family | Substandard-Nonaccrual [Member]
Loans
2021	1,149
Total loan balance	1,149
Residential mortgages
Loans
2021	137,195	17,887
2020	18,204	10,048
2019	9,379	4,876
2018	3,157	7,324
2017	5,129	28,115
2016 and Prior	31,880	16,866
Revolving	960
Total loan balance	205,904	85,116
Residential mortgages | Pass [Member]
Loans
2021	137,195	12,798
2020	18,204	10,048
2019	9,379	3,246
2018	3,157	7,324
2017	5,129	28,115
2016 and Prior	30,567	15,568
Revolving	960
Total loan balance	204,591	77,099
Residential mortgages | Special Mention [Member]
Loans
2021		5,089
2019		1,630
Total loan balance		6,719
Residential mortgages | Substandard [Member]
Loans
2016 and Prior	1,313	1,298
Total loan balance	1,313	1,298
Consumer and other
Loans
2021	20	10
2020	6	522
2019	409	1,893
2018	1,863	20
2017	17	116
2016 and Prior	1,051	987
Revolving	18,153	14,568
Total loan balance	21,519	18,116
Consumer and other | Pass [Member]
Loans
2021		10
2020	6	522
2019	409	1,486
2018	1,456	20
2017	17	116
2016 and Prior	1,051	987
Revolving	17,953	14,568
Total loan balance	20,892	17,709
Consumer and other | Substandard [Member]
Loans
2021	20
Revolving	200
Total loan balance	220
Consumer and other | Substandard-Nonaccrual [Member]
Loans
2019		407
2018	407
Total loan balance	407	407
Risk Grades [Member]
Loans
2021	755,460	979,432
2020	595,018	309,922
2019	268,497	191,961
2018	166,359	202,725
2017	151,046	163,654
2016 and Prior	397,892	326,918
Revolving	498,594	451,375
Total loan balance	2,832,866	2,625,987
Risk Grades [Member] | Pass [Member]
Loans
2021	750,699	925,630
2020	573,802	306,582
2019	267,817	180,072
2018	159,046	197,277
2017	148,036	159,945
2016 and Prior	377,634	316,974
Revolving	485,564	444,378
Total loan balance	2,762,598	2,530,858
Risk Grades [Member] | Special Mention [Member]
Loans
2021	854	35,890
2020	6,189	3,284
2019	680	9,616
2018	5,104	1,736
2017	1,823	713
2016 and Prior	18,141	7,925
Revolving	5,075	1,937
Total loan balance	37,866	61,101
Risk Grades [Member] | Substandard [Member]
Loans
2021	2,728	12,011
2020	12,003
2019		1,830
2018	1,802	3,712
2017	1,187	2,881
2016 and Prior	2,011	1,965
Revolving	7,380	3,841
Total loan balance	27,111	26,240
Risk Grades [Member] | Substandard-Nonaccrual [Member]
Loans
2021	1,179	5,901
2020	3,024	56
2019		443
2018	407
2017		115
2016 and Prior	106	54
Revolving	575	1,219
Total loan balance	$ 5,291	$ 7,788