Loans Receivable, Net - Credit Grades and Risk Characteristics (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	$ 1,898,226	$ 2,449,710
Year two	2,119,628	1,202,923
Year three	1,102,441	1,061,158
Year four	957,174	585,795
Year five	477,363	634,834
Year six and prior	2,271,026	2,138,982
Revolving lines of credit	892,902	549,468
Total	9,718,760	8,622,870
Commercial real estate – investor
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	936,746	1,387,753
Year two	1,354,997	614,183
Year three	574,945	588,147
Year four	547,529	284,530
Year five	223,776	386,872
Year six and prior	992,869	856,980
Revolving lines of credit	376,775	259,596
Total	5,007,637	4,378,061
Commercial real estate – investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	936,746	1,387,753
Year two	1,354,997	609,916
Year three	574,752	535,551
Year four	507,749	274,662
Year five	214,473	375,646
Year six and prior	948,538	800,089
Revolving lines of credit	374,043	255,613
Total	4,911,298	4,239,230
Commercial real estate – investor | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	193	23,794
Year four	19,021	9,400
Year five	9,303	2,731
Year six and prior	8,628	28,663
Revolving lines of credit	2,188	582
Total	39,333	65,170
Commercial real estate – investor | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	4,267
Year three	0	28,802
Year four	20,759	468
Year five	0	8,495
Year six and prior	35,703	28,228
Revolving lines of credit	544	3,401
Total	57,006	73,661
Commercial real estate – owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	67,572	116,355
Year two	118,428	71,196
Year three	64,754	140,743
Year four	121,003	103,909
Year five	95,667	115,317
Year six and prior	505,423	495,913
Revolving lines of credit	10,937	11,632
Total	983,784	1,055,065
Commercial real estate – owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	67,572	116,355
Year two	118,428	71,196
Year three	61,004	125,212
Year four	115,273	91,531
Year five	90,050	109,232
Year six and prior	479,174	449,966
Revolving lines of credit	9,837	10,913
Total	941,338	974,405
Commercial real estate – owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	0	1,365
Year four	0	3,829
Year five	757	479
Year six and prior	10,018	14,371
Revolving lines of credit	0	2
Total	10,775	20,046
Commercial real estate – owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	3,750	14,166
Year four	5,730	8,549
Year five	4,860	5,606
Year six and prior	16,231	31,576
Revolving lines of credit	1,100	717
Total	31,671	60,614
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	45,285	42,955
Year two	25,101	23,030
Year three	15,338	25,390
Year four	19,054	17,567
Year five	12,237	8,954
Year six and prior	52,239	53,088
Revolving lines of credit	483,366	278,240
Total	652,620	449,224
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	45,285	42,955
Year two	25,101	22,573
Year three	15,232	22,878
Year four	17,468	16,404
Year five	11,921	8,671
Year six and prior	49,371	50,887
Revolving lines of credit	481,519	271,818
Total	645,897	436,186
Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	0	231
Year four	0	350
Year five	0	85
Year six and prior	262	172
Revolving lines of credit	1,722	3,645
Total	1,984	4,483
Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	457
Year three	106	2,281
Year four	1,586	813
Year five	316	198
Year six and prior	2,606	2,029
Revolving lines of credit	125	2,777
Total	4,739	8,555
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total	261,510	260,819
Consumer | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	829,041	876,135
Year two	595,233	475,346
Year three	431,072	288,699
Year four	253,484	127,817
Year five	103,617	105,736
Year six and prior	600,762	605,968
Revolving lines of credit	0	0
Total	2,813,209	2,479,701
Consumer | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	19,582	26,512
Year two	25,869	19,168
Year three	16,332	18,179
Year four	16,104	51,972
Year five	42,066	17,955
Year six and prior	119,733	127,033
Revolving lines of credit	21,824	0
Total	261,510	260,819
Consumer | Pass | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	829,041	876,135
Year two	595,233	475,134
Year three	431,072	288,699
Year four	253,353	127,756
Year five	103,330	105,385
Year six and prior	597,224	602,331
Revolving lines of credit	0	0
Total	2,809,253	2,475,440
Consumer | Pass | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	19,582	26,512
Year two	25,869	19,168
Year three	16,332	18,179
Year four	15,940	51,954
Year five	42,026	17,955
Year six and prior	117,718	123,783
Revolving lines of credit	21,824	0
Total	259,291	257,551
Consumer | Special Mention | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	212
Year three	0	0
Year four	131	61
Year five	0	0
Year six and prior	1,690	1,313
Revolving lines of credit	0	0
Total	1,821	1,586
Consumer | Special Mention | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	0	0
Year four	164	0
Year five	22	0
Year six and prior	231	322
Revolving lines of credit	0	0
Total	417	322
Consumer | Substandard | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	0	0
Year four	0	0
Year five	287	351
Year six and prior	1,848	2,324
Revolving lines of credit	0	0
Total	2,135	2,675
Consumer | Substandard | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	0
Year three	0	0
Year four	0	18
Year five	18	0
Year six and prior	1,784	2,928
Revolving lines of credit	0	0
Total	$ 1,802	$ 2,946