Portfolio Loans - Summary of Term Loans by Origination Year (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 9,017,642	$ 7,224,935
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,230,523	1,453,800
Year 2	498,406	479,317
Year 3	331,113	274,958
Year 4	144,420	144,305
Year 5	131,943	49,160
Prior	94,638	59,505
Financing Receivable, Converted	16,472	15,399
Revolving Loans	918,693	610,050
Total	3,366,208	3,086,494
Commercial and industrial | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,180,601	1,402,276
Year 2	477,374	454,729
Year 3	317,869	262,258
Year 4	132,851	132,832
Year 5	116,738	25,057
Prior	82,846	58,315
Financing Receivable, Converted	11,648	14,118
Revolving Loans	854,102	527,170
Total	3,174,029	2,876,755
Commercial and industrial | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	35,005	44,922
Year 2	17,502	15,369
Year 3	9,404	9,585
Year 4	9,880	7,509
Year 5	12,217	19,613
Prior	10,979	110
Financing Receivable, Converted	4,037	0
Revolving Loans	53,595	60,448
Total	152,619	157,556
Commercial and industrial | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	14,917	6,602
Year 2	3,530	9,219
Year 3	3,840	3,115
Year 4	1,689	3,964
Year 5	2,988	4,490
Prior	813	1,080
Financing Receivable, Converted	787	1,281
Revolving Loans	10,996	22,432
Total	39,560	52,183
Commercial Real Estate-Investor Owned Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	669,987	514,175
Year 2	515,989	363,843
Year 3	379,835	204,677
Year 4	147,927	137,548
Year 5	113,704	149,180
Prior	239,427	181,429
Financing Receivable, Converted	3,925	6,509
Revolving Loans	70,348	32,058
Total	2,141,142	1,589,419
Commercial Real Estate-Investor Owned Portfolio Segment [Member] | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	651,740	481,867
Year 2	476,946	338,843
Year 3	346,245	189,305
Year 4	146,107	131,718
Year 5	112,043	138,288
Prior	217,808	161,439
Financing Receivable, Converted	3,625	6,509
Revolving Loans	68,236	32,058
Total	2,022,750	1,480,027
Commercial Real Estate-Investor Owned Portfolio Segment [Member] | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	16,871	32,308
Year 2	35,908	19,722
Year 3	32,755	6,656
Year 4	1,003	0
Year 5	502	9,647
Prior	17,478	17,370
Financing Receivable, Converted	300	0
Revolving Loans	2,062	0
Total	106,879	85,703
Commercial Real Estate-Investor Owned Portfolio Segment [Member] | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,376	0
Year 2	3,135	5,278
Year 3	835	8,716
Year 4	817	5,830
Year 5	1,159	1,245
Prior	4,141	2,620
Financing Receivable, Converted	0	0
Revolving Loans	50	0
Total	11,513	23,689
Commercial Real Estate-Owner Occupied Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	619,848	435,219
Year 2	437,404	299,685
Year 3	292,312	224,116
Year 4	198,000	191,720
Year 5	157,221	110,117
Prior	258,696	186,776
Financing Receivable, Converted	250	4,448
Revolving Loans	48,649	46,327
Total	2,012,380	1,498,408
Commercial Real Estate-Owner Occupied Portfolio Segment [Member] | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	604,975	419,142
Year 2	423,263	287,001
Year 3	278,830	215,181
Year 4	164,210	179,382
Year 5	140,515	104,470
Prior	235,973	167,456
Financing Receivable, Converted	250	2,672
Revolving Loans	48,349	45,323
Total	1,896,365	1,420,627
Commercial Real Estate-Owner Occupied Portfolio Segment [Member] | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	12,825	13,657
Year 2	13,585	5,257
Year 3	4,301	3,113
Year 4	16,774	6,198
Year 5	10,274	4,338
Prior	15,764	8,460
Financing Receivable, Converted	0	1,776
Revolving Loans	300	941
Total	73,823	43,740
Commercial Real Estate-Owner Occupied Portfolio Segment [Member] | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	2,048	2,420
Year 2	556	7,427
Year 3	9,181	5,822
Year 4	17,016	6,140
Year 5	6,432	1,309
Prior	6,959	10,860
Financing Receivable, Converted	0	0
Revolving Loans	0	63
Total	42,192	34,041
Construction Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	339,087	225,669
Year 2	244,744	158,570
Year 3	70,978	80,142
Year 4	37,554	30,212
Year 5	25,928	11,539
Prior	9,532	11,674
Financing Receivable, Converted	568	0
Revolving Loans	2,992	28,880
Total	731,383	546,686
Construction Real Estate Portfolio Segment [Member] | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	310,140	223,069
Year 2	229,396	156,360
Year 3	70,531	45,460
Year 4	35,936	18,579
Year 5	14,860	11,539
Prior	7,180	9,144
Financing Receivable, Converted	568	0
Revolving Loans	2,992	28,880
Total	671,603	493,031
Construction Real Estate Portfolio Segment [Member] | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	28,947	2,544
Year 2	15,348	86
Year 3	60	34,179
Year 4	1,199	11,632
Year 5	11,068	0
Prior	2,330	2,499
Financing Receivable, Converted	0	0
Revolving Loans	0	0
Total	58,952	50,940
Construction Real Estate Portfolio Segment [Member] | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	0	56
Year 2	0	2,124
Year 3	387	503
Year 4	419	1
Year 5	0	0
Prior	22	31
Financing Receivable, Converted	0	0
Revolving Loans	0	0
Total	828	2,715
Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	119,191	57,840
Year 2	66,652	29,480
Year 3	22,532	18,365
Year 4	15,998	17,152
Year 5	25,038	28,855
Prior	107,169	97,441
Financing Receivable, Converted	9,980	1,459
Revolving Loans	87,225	67,666
Total	453,785	318,258
Residential | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	116,352	57,059
Year 2	66,481	27,907
Year 3	21,356	17,718
Year 4	14,841	17,138
Year 5	24,778	27,443
Prior	103,840	92,657
Financing Receivable, Converted	9,980	1,172
Revolving Loans	87,146	66,902
Total	444,774	307,996
Residential | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	2,425	210
Year 2	2	840
Year 3	622	526
Year 4	1,157	0
Year 5	248	514
Prior	1,305	1,603
Financing Receivable, Converted	0	287
Revolving Loans	79	511
Total	5,838	4,491
Residential | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	414	571
Year 2	169	733
Year 3	554	121
Year 4	0	14
Year 5	12	898
Prior	2,024	3,181
Financing Receivable, Converted	0	0
Revolving Loans	0	253
Total	3,173	5,771
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	108,209	43,526
Year 2	68,806	28,214
Year 3	22,694	30,101
Year 4	23,159	9,659
Year 5	6,924	5,641
Prior	16,288	19,681
Financing Receivable, Converted	1,500	8
Revolving Loans	9,169	40,784
Total	256,749	177,614
Other | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	108,209	43,526
Year 2	68,806	28,195
Year 3	22,684	30,074
Year 4	23,145	9,646
Year 5	6,924	5,641
Prior	13,832	17,027
Financing Receivable, Converted	1,500	0
Revolving Loans	9,166	40,779
Total	254,266	174,888
Other | Watch (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	0	0
Year 2	0	1
Year 3	0	8
Year 4	4	0
Year 5	0	0
Prior	2,440	2,637
Financing Receivable, Converted	0	0
Revolving Loans	1	1
Total	2,445	2,647
Other | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	0	0
Year 2	0	18
Year 3	10	19
Year 4	10	13
Year 5	0	0
Prior	16	17
Financing Receivable, Converted	0	8
Revolving Loans	2	4
Total	38	79
Loans Classified By Risk Category
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	3,086,845	2,730,229
Year 2	1,832,001	1,359,109
Year 3	1,119,464	832,359
Year 4	567,058	530,596
Year 5	460,758	354,492
Prior	725,750	556,506
Financing Receivable, Converted	32,695	27,823
Revolving Loans	1,137,076	825,765
Total	8,961,647	7,216,879
Loans Classified by Performing Status
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 55,995	$ 8,056