Loans and Allowance for Credit Losses on Loans - Credit Quality (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Loans by risk rating
2022 / 2021	$ 1,207,348,000
2021 / 2020	886,935,000
2020 / 2019	476,753,000
2019 / 2018	257,206,000
2018 / 2017	167,647,000
Prior	245,580,000
Revolving Loans	628,140,000
Total Loans	3,869,609,000	$ 3,420,804,000
Total Loans		3,110,000
Minimum
Loans by risk rating
Loan commitment for inclusion in credit quality analysis	50,000
Pass [Member]
Loans by risk rating
2022 / 2021	1,165,744,000
2021 / 2020	837,389,000
2020 / 2019	401,848,000
2019 / 2018	183,707,000
2018 / 2017	165,368,000
Prior	226,741,000
Revolving Loans	600,854,000
Total Loans	3,581,651,000
Special Mention [Member]
Loans by risk rating
2022 / 2021	16,031,000
2021 / 2020	27,684,000
2020 / 2019	70,495,000
2019 / 2018	31,990,000
2018 / 2017	1,301,000
Prior	10,131,000
Revolving Loans	21,397,000
Total Loans	179,029,000
Substandard [Member]
Loans by risk rating
2022 / 2021	25,573,000
2021 / 2020	21,862,000
2020 / 2019	4,410,000
2019 / 2018	41,509,000
2018 / 2017	978,000
Prior	8,708,000
Revolving Loans	5,889,000
Total Loans	108,929,000
Commercial
Loans by risk rating
2022 / 2021	231,889,000	201,800,000
2021 / 2020	73,327,000	54,770,000
2020 / 2019	25,760,000	53,429,000
2019 / 2018	27,350,000	28,503,000
2018 / 2017	6,964,000	5,176,000
Prior	2,651,000	11,020,000
Revolving Loans	473,023,000	416,746,000
Revolving Loans Converted To Term Loans		30,000
Total Loans	840,964,000	771,474,000
Commercial | Pass [Member]
Loans by risk rating
2022 / 2021	225,056,000	192,258,000
2021 / 2020	70,608,000	50,638,000
2020 / 2019	21,597,000	38,614,000
2019 / 2018	12,742,000	28,177,000
2018 / 2017	6,957,000	5,176,000
Prior	2,651,000	10,945,000
Revolving Loans	447,821,000	408,394,000
Revolving Loans Converted To Term Loans		30,000
Total Loans	787,432,000	734,232,000
Commercial | Special Mention [Member]
Loans by risk rating
2022 / 2021	1,875,000	44,000
2021 / 2020	272,000	84,000
2020 / 2019	1,182,000	694,000
2019 / 2018	2,432,000
Revolving Loans	21,286,000	3,708,000
Total Loans	27,047,000	4,530,000
Commercial | Substandard [Member]
Loans by risk rating
2022 / 2021	4,958,000	9,498,000
2021 / 2020	2,447,000	4,048,000
2020 / 2019	2,981,000	14,121,000
2019 / 2018	12,176,000	326,000
2018 / 2017	7,000
Prior		75,000
Revolving Loans	3,916,000	4,644,000
Total Loans	26,485,000	32,712,000
Consumer
Loans by risk rating
Mortgage loans in process of foreclosure	600,000	488,000
Leases
Loans by risk rating
2022 / 2021	162,985,000	83,402,000
2021 / 2020	64,203,000	44,129,000
2020 / 2019	26,995,000	35,093,000
2019 / 2018	17,923,000	9,573,000
2018 / 2017	4,449,000	1,170,000
Prior	830,000	2,664,000
Total Loans	277,385,000	176,031,000
Leases | Pass [Member]
Loans by risk rating
2022 / 2021	161,379,000	83,402,000
2021 / 2020	64,203,000	44,129,000
2020 / 2019	26,995,000	32,259,000
2019 / 2018	17,653,000	8,950,000
2018 / 2017	4,449,000	1,170,000
Prior	830,000	2,367,000
Total Loans	275,509,000	172,277,000
Leases | Substandard [Member]
Loans by risk rating
2022 / 2021	1,606,000
2019 / 2018	270,000
Total Loans	1,876,000
Leases | PCD | Substandard [Member]
Loans by risk rating
2020 / 2019		2,834,000
2019 / 2018		623,000
Prior		297,000
Total Loans		3,754,000
Commercial real estate - Investor
Loans by risk rating
2022 / 2021	433,775,000	263,050,000
2021 / 2020	232,121,000	177,596,000
2020 / 2019	123,981,000	129,698,000
2019 / 2018	84,814,000	85,230,000
2018 / 2017	48,005,000	68,422,000
Prior	57,826,000	57,330,000
Revolving Loans	7,113,000	18,602,000
Total Loans	987,635,000	799,928,000
Commercial real estate - Investor | Pass [Member]
Loans by risk rating
2022 / 2021	416,094,000	245,346,000
2021 / 2020	228,686,000	175,218,000
2020 / 2019	118,491,000	118,697,000
2019 / 2018	63,845,000	85,049,000
2018 / 2017	46,935,000	64,810,000
Prior	46,406,000	55,523,000
Revolving Loans	7,113,000	18,602,000
Total Loans	927,570,000	763,245,000
Commercial real estate - Investor | Special Mention [Member]
Loans by risk rating
2022 / 2021	5,349,000	15,466,000
2021 / 2020	1,417,000
2020 / 2019	5,490,000	10,550,000
2019 / 2018	10,206,000
2018 / 2017	1,070,000
Prior	9,123,000
Total Loans	32,655,000	26,016,000
Commercial real estate - Investor | Substandard [Member]
Loans by risk rating
2022 / 2021	12,332,000	2,238,000
2021 / 2020	2,018,000	2,378,000
2020 / 2019		451,000
2019 / 2018	10,763,000	181,000
2018 / 2017		3,612,000
Prior	2,297,000	1,807,000
Total Loans	27,410,000	10,667,000
Commercial real estate - Owner occupied
Loans by risk rating
2022 / 2021	180,679,000	298,543,000
2021 / 2020	263,102,000	156,295,000
2020 / 2019	155,044,000	94,964,000
2019 / 2018	81,981,000	60,915,000
2018 / 2017	49,598,000	55,487,000
Prior	90,730,000	63,119,000
Revolving Loans	33,745,000	2,522,000
Total Loans	854,879,000	731,845,000
Commercial real estate - Owner occupied | Pass [Member]
Loans by risk rating
2022 / 2021	169,703,000	290,225,000
2021 / 2020	223,731,000	155,353,000
2020 / 2019	105,669,000	90,325,000
2019 / 2018	47,351,000	60,915,000
2018 / 2017	49,367,000	54,236,000
Prior	86,660,000	59,887,000
Revolving Loans	33,745,000	2,522,000
Total Loans	716,226,000	713,463,000
Commercial real estate - Owner occupied | Special Mention [Member]
Loans by risk rating
2022 / 2021	8,430,000
2021 / 2020	22,242,000
2020 / 2019	48,184,000	2,953,000
2019 / 2018	17,668,000
2018 / 2017	231,000
Prior	1,008,000
Total Loans	97,763,000	2,953,000
Commercial real estate - Owner occupied | Substandard [Member]
Loans by risk rating
2022 / 2021	2,546,000	8,318,000
2021 / 2020	17,129,000	942,000
2020 / 2019	1,191,000	1,686,000
2019 / 2018	16,962,000
2018 / 2017		1,251,000
Prior	3,062,000	3,232,000
Total Loans	40,890,000	15,429,000
Construction
Loans by risk rating
2022 / 2021	54,275,000	88,780,000
2021 / 2020	65,758,000	67,767,000
2020 / 2019	54,839,000	42,101,000
2019 / 2018	2,506,000	4,671,000
2018 / 2017	226,000	477,000
Prior	1,408,000	1,193,000
Revolving Loans	1,523,000	1,143,000
Total Loans	180,535,000	206,132,000
Construction | Pass [Member]
Loans by risk rating
2022 / 2021	53,058,000	88,620,000
2021 / 2020	65,758,000	65,629,000
2020 / 2019	39,542,000	37,169,000
2019 / 2018	2,390,000	2,727,000
2018 / 2017	226,000	477,000
Prior	1,408,000	1,193,000
Revolving Loans	1,523,000	1,143,000
Total Loans	163,905,000	196,958,000
Construction | Special Mention [Member]
Loans by risk rating
2021 / 2020		2,138,000
2020 / 2019	15,297,000	4,932,000
Total Loans	15,297,000	7,070,000
Construction | Substandard [Member]
Loans by risk rating
2022 / 2021	1,217,000	160,000
2019 / 2018	116,000	1,944,000
Total Loans	1,333,000	2,104,000
Residential real estate - Investor
Loans by risk rating
2022 / 2021	15,358,000	13,492,000
2021 / 2020	9,980,000	9,902,000
2020 / 2019	6,945,000	13,084,000
2019 / 2018	9,084,000	6,589,000
2018 / 2017	5,039,000	7,444,000
Prior	9,956,000	11,020,000
Revolving Loans	991,000	1,868,000
Total Loans	57,353,000	63,399,000
Residential real estate - Investor | Pass [Member]
Loans by risk rating
2022 / 2021	14,737,000	13,371,000
2021 / 2020	9,910,000	9,758,000
2020 / 2019	6,945,000	13,084,000
2019 / 2018	8,585,000	6,392,000
2018 / 2017	4,853,000	7,059,000
Prior	9,548,000	10,602,000
Revolving Loans	991,000	1,868,000
Total Loans	55,569,000	62,134,000
Residential real estate - Investor | Special Mention [Member]
Loans by risk rating
2021 / 2020	70,000
Total Loans	70,000
Residential real estate - Investor | Substandard [Member]
Loans by risk rating
2022 / 2021	621,000	121,000
2021 / 2020		144,000
2019 / 2018	499,000	197,000
2018 / 2017	186,000	385,000
Prior	408,000	418,000
Total Loans	1,714,000	1,265,000
Residential real estate - Owner occupied
Loans by risk rating
2022 / 2021	42,016,000	48,990,000
2021 / 2020	45,151,000	32,095,000
2020 / 2019	28,655,000	20,996,000
2019 / 2018	16,869,000	14,523,000
2018 / 2017	12,283,000	30,738,000
Prior	73,106,000	63,854,000
Revolving Loans	1,638,000	2,052,000
Total Loans	219,718,000	213,248,000
Residential real estate - Owner occupied | Pass [Member]
Loans by risk rating
2022 / 2021	41,885,000	48,009,000
2021 / 2020	44,884,000	31,912,000
2020 / 2019	28,418,000	20,990,000
2019 / 2018	16,146,000	13,304,000
2018 / 2017	12,152,000	30,562,000
Prior	70,741,000	60,661,000
Revolving Loans	1,638,000	2,052,000
Total Loans	215,864,000	207,490,000
Residential real estate - Owner occupied | Special Mention [Member]
Loans by risk rating
2022 / 2021		659,000
Total Loans		659,000
Residential real estate - Owner occupied | Substandard [Member]
Loans by risk rating
2022 / 2021	131,000	322,000
2021 / 2020	267,000	183,000
2020 / 2019	237,000	6,000
2019 / 2018	723,000	1,219,000
2018 / 2017	131,000	176,000
Prior	2,365,000	3,193,000
Total Loans	3,854,000	5,099,000
Multifamily
Loans by risk rating
2022 / 2021	79,354,000	109,608,000
2021 / 2020	129,940,000	71,748,000
2020 / 2019	52,604,000	46,193,000
2019 / 2018	14,809,000	62,733,000
2018 / 2017	40,290,000	11,701,000
Prior	6,365,000	7,117,000
Revolving Loans	329,000	64,000
Total Loans	323,691,000	309,164,000
Multifamily | Pass [Member]
Loans by risk rating
2022 / 2021	76,877,000	109,175,000
2021 / 2020	126,257,000	71,748,000
2020 / 2019	52,262,000	39,293,000
2019 / 2018	13,125,000	61,190,000
2018 / 2017	39,703,000	11,399,000
Prior	6,098,000	7,117,000
Revolving Loans	329,000	64,000
Total Loans	314,651,000	299,986,000
Multifamily | Special Mention [Member]
Loans by risk rating
2022 / 2021	377,000
2021 / 2020	3,683,000
2020 / 2019	342,000	6,900,000
2019 / 2018	1,684,000
Total Loans	6,086,000	6,900,000
Multifamily | Substandard [Member]
Loans by risk rating
2022 / 2021	2,100,000	433,000
2019 / 2018		1,543,000
2018 / 2017	587,000	302,000
Prior	267,000
Total Loans	2,954,000	2,278,000
HELOC
Loans by risk rating
2022 / 2021	2,822,000	907,000
2021 / 2020	518,000	2,091,000
2020 / 2019	1,497,000	2,131,000
2019 / 2018	1,703,000	822,000
2018 / 2017	724,000	1,679,000
Prior	2,597,000	12,691,000
Revolving Loans	99,341,000	105,969,000
Total Loans	109,202,000	126,290,000
HELOC | Pass [Member]
Loans by risk rating
2022 / 2021	2,760,000	907,000
2021 / 2020	517,000	2,091,000
2020 / 2019	1,497,000	2,131,000
2019 / 2018	1,703,000	805,000
2018 / 2017	657,000	1,667,000
Prior	2,288,000	12,315,000
Revolving Loans	97,258,000	104,843,000
Total Loans	106,680,000	124,759,000
HELOC | Special Mention [Member]
Loans by risk rating
Revolving Loans	111,000	108,000
Total Loans	111,000	108,000
HELOC | Substandard [Member]
Loans by risk rating
2022 / 2021	62,000
2021 / 2020	1,000
2019 / 2018		17,000
2018 / 2017	67,000	12,000
Prior	309,000	376,000
Revolving Loans	1,972,000	1,018,000
Total Loans	2,411,000	1,423,000
Other
Loans by risk rating
2022 / 2021	4,195,000	8,659,000
2021 / 2020	2,835,000	1,102,000
2020 / 2019	433,000	437,000
2019 / 2018	167,000	261,000
2018 / 2017	69,000	1,414,000
Prior	111,000	4,214,000
Revolving Loans	10,437,000	7,206,000
Total Loans	18,247,000	23,293,000
Other | Pass [Member]
Loans by risk rating
2022 / 2021	4,195,000	8,659,000
2021 / 2020	2,835,000	1,099,000
2020 / 2019	432,000	437,000
2019 / 2018	167,000	254,000
2018 / 2017	69,000	1,414,000
Prior	111,000	4,214,000
Revolving Loans	10,436,000	7,206,000
Total Loans	18,245,000	23,283,000
Other | Substandard [Member]
Loans by risk rating
2021 / 2020		3,000
2020 / 2019	1,000
2019 / 2018		7,000
Revolving Loans	1,000
Total Loans	$ 2,000	10,000
Other 1
Loans by risk rating
2022 / 2021		1,117,231,000
2021 / 2020		617,495,000
2020 / 2019		438,126,000
2019 / 2018		273,820,000
2018 / 2017		183,708,000
Prior		234,222,000
Revolving Loans		556,172,000
Revolving Loans Converted To Term Loans		30,000
Total Loans		3,420,804,000
Other 1 | Pass [Member]
Loans by risk rating
2022 / 2021		1,079,972,000
2021 / 2020		607,575,000
2020 / 2019		392,999,000
2019 / 2018		267,763,000
2018 / 2017		177,970,000
Prior		224,824,000
Revolving Loans		546,694,000
Revolving Loans Converted To Term Loans		30,000
Total Loans		3,297,827,000
Other 1 | Special Mention [Member]
Loans by risk rating
2022 / 2021		16,169,000
2021 / 2020		2,222,000
2020 / 2019		26,029,000
Revolving Loans		3,816,000
Total Loans		48,236,000
Other 1 | Substandard [Member]
Loans by risk rating
2022 / 2021		21,090,000
2021 / 2020		7,698,000
2020 / 2019		19,098,000
2019 / 2018		6,057,000
2018 / 2017		5,738,000
Prior		9,398,000
Revolving Loans		5,662,000
Total Loans		$ 74,741,000