Loans - Payment Status by Class of Loan (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Current	$ 3,582,467	$ 3,835,431
Mortgage warehouse, Total	3,607,631	3,867,383
Total	8,681	7,200
Total Loans	3,591,148	3,842,631
30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	7,892	4,415
60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	644	2,523
90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	145	262
Commercial
Financing Receivable, Past Due [Line Items]
Current	2,166,445	2,174,747
Mortgage warehouse, Total	2,176,959	2,192,271
Total	3,608	3,344
Total Loans	2,170,053	2,178,091
Commercial | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	3,529	1,531
Commercial | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	79	1,813
Commercial | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Owner occupied real estate
Financing Receivable, Past Due [Line Items]
Current	543,978	484,282
Mortgage warehouse, Total	549,014	496,306
Total	789	813
Total Loans	544,767	485,095
Commercial | Owner occupied real estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	789	683
Commercial | Owner occupied real estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	130
Commercial | Owner occupied real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Non–owner occupied real estate
Financing Receivable, Past Due [Line Items]
Current	1,063,377	997,816
Mortgage warehouse, Total	1,066,131	999,636
Total	1,708	1,253
Total Loans	1,065,085	999,069
Commercial | Non–owner occupied real estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	1,708	599
Commercial | Non–owner occupied real estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	654
Commercial | Non–owner occupied real estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Residential spec homes
Financing Receivable, Past Due [Line Items]
Current	9,907	10,070
Mortgage warehouse, Total	9,907	10,070
Total	0	0
Total Loans	9,907	10,070
Commercial | Residential spec homes | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Residential spec homes | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Residential spec homes | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Development & spec land
Financing Receivable, Past Due [Line Items]
Current	21,735	25,552
Mortgage warehouse, Total	22,712	26,372
Total	58	750
Total Loans	21,793	26,302
Commercial | Development & spec land | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	58	0
Commercial | Development & spec land | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	750
Commercial | Development & spec land | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Commercial | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Current	527,448	657,027
Mortgage warehouse, Total	529,195	659,887
Total	1,053	528
Total Loans	528,501	657,555
Commercial | Commercial and industrial | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	974	249
Commercial | Commercial and industrial | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	79	279
Commercial | Commercial and industrial | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate
Financing Receivable, Past Due [Line Items]
Current	695,730	1,012,156
Mortgage warehouse, Total	703,413	1,019,912
Total	1,165	1,160
Total Loans	696,895	1,013,316
Real Estate | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	834	905
Real Estate | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	265	238
Real Estate | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	66	17
Real Estate | Residential mortgage
Financing Receivable, Past Due [Line Items]
Current	556,128	590,944
Mortgage warehouse, Total	563,811	598,700
Total	1,165	1,160
Total Loans	557,293	592,104
Real Estate | Residential mortgage | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	834	905
Real Estate | Residential mortgage | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	265	238
Real Estate | Residential mortgage | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	66	17
Real Estate | Residential construction
Financing Receivable, Past Due [Line Items]
Current	30,571	25,586
Mortgage warehouse, Total	30,571	25,586
Total	0	0
Total Loans	30,571	25,586
Real Estate | Residential construction | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate | Residential construction | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate | Residential construction | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate | Mortgage warehouse
Financing Receivable, Past Due [Line Items]
Current	109,031	395,626
Mortgage warehouse, Total	109,031	395,626
Total	0	0
Total Loans	109,031	395,626
Real Estate | Mortgage warehouse | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate | Mortgage warehouse | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Real Estate | Mortgage warehouse | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Consumer
Financing Receivable, Past Due [Line Items]
Current	720,292	648,528
Mortgage warehouse, Total	727,259	655,200
Total	3,908	2,696
Total Loans	724,200	651,224
Consumer | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	3,529	1,979
Consumer | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	300	472
Consumer | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	79	245
Consumer | Direct installment
Financing Receivable, Past Due [Line Items]
Current	63,295	37,965
Mortgage warehouse, Total	63,714	38,046
Total	412	69
Total Loans	63,707	38,034
Consumer | Direct installment | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	409	69
Consumer | Direct installment | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	3	0
Consumer | Direct installment | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	0	0
Consumer | Indirect installment
Financing Receivable, Past Due [Line Items]
Current	369,615	354,655
Mortgage warehouse, Total	372,575	357,511
Total	2,422	1,682
Total Loans	372,037	356,337
Consumer | Indirect installment | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	2,271	1,356
Consumer | Indirect installment | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	136	206
Consumer | Indirect installment | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	15	120
Consumer | Home equity
Financing Receivable, Past Due [Line Items]
Current	287,382	255,908
Mortgage warehouse, Total	290,970	259,643
Total	1,074	945
Total Loans	288,456	256,853
Consumer | Home equity | 30–59 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	849	554
Consumer | Home equity | 60–89 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	161	266
Consumer | Home equity | 90 Days or Greater Past Due
Financing Receivable, Past Due [Line Items]
Mortgage warehouse, Total	$ 64	$ 125