Loans Receivable, Net - Credit Grades and Risk Characteristics (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	$ 1,313,647	$ 2,449,710
Year two	2,401,950	1,202,923
Year three	1,134,615	1,061,158
Year four	982,536	585,795
Year five	494,599	634,834
Year six and prior	2,378,319	2,138,982
Revolving lines of credit	719,219	549,468
Total	9,424,885	8,622,870
Commercial real estate – investor
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	736,901	1,387,753
Year two	1,361,548	614,183
Year three	591,378	588,147
Year four	553,656	284,530
Year five	230,576	386,872
Year six and prior	1,034,873	856,980
Revolving lines of credit	300,033	259,596
Total	4,808,965	4,378,061
Commercial real estate – investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	736,901	1,387,753
Year two	1,361,548	609,916
Year three	591,183	535,551
Year four	511,811	274,662
Year five	221,225	375,646
Year six and prior	993,374	800,089
Revolving lines of credit	296,251	255,613
Total	4,712,293	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	195	23,794
Year four	19,413	9,400
Year five	9,349	2,731
Year six and prior	14,228	28,663
Revolving lines of credit	2,187	582
Total	45,372	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	22,432	468
Year five	2	8,495
Year six and prior	27,271	28,228
Revolving lines of credit	1,595	3,401
Total	51,300	73,661
Commercial real estate – owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	55,822	116,355
Year two	119,096	71,196
Year three	68,901	140,743
Year four	133,358	103,909
Year five	97,418	115,317
Year six and prior	536,575	495,913
Revolving lines of credit	9,703	11,632
Total	1,020,873	1,055,065
Commercial real estate – owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	55,822	116,355
Year two	119,096	71,196
Year three	68,901	125,212
Year four	128,781	91,531
Year five	88,826	109,232
Year six and prior	499,529	449,966
Revolving lines of credit	9,703	10,913
Total	970,658	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	3,226	479
Year six and prior	5,611	14,371
Revolving lines of credit	0	2
Total	8,837	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	0	14,166
Year four	4,577	8,549
Year five	5,366	5,606
Year six and prior	31,435	31,576
Revolving lines of credit	0	717
Total	41,378	60,614
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	40,999	42,955
Year two	30,167	23,030
Year three	16,891	25,390
Year four	19,538	17,567
Year five	13,709	8,954
Year six and prior	53,677	53,088
Revolving lines of credit	409,483	278,240
Total	584,464	449,224
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	40,999	42,955
Year two	30,167	22,573
Year three	16,758	22,878
Year four	17,695	16,404
Year five	12,796	8,671
Year six and prior	51,537	50,887
Revolving lines of credit	404,641	271,818
Total	574,593	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	167	350
Year five	247	85
Year six and prior	274	172
Revolving lines of credit	2,947	3,645
Total	3,635	4,483
Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	457
Year three	133	2,281
Year four	1,676	813
Year five	666	198
Year six and prior	1,866	2,029
Revolving lines of credit	1,895	2,777
Total	6,236	8,555
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total	252,314	260,819
Consumer | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	459,564	876,135
Year two	865,089	475,346
Year three	440,402	288,699
Year four	259,123	127,817
Year five	108,405	105,736
Year six and prior	625,686	605,968
Revolving lines of credit	0	0
Total	2,758,269	2,479,701
Consumer | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	20,361	26,512
Year two	26,050	19,168
Year three	17,043	18,179
Year four	16,861	51,972
Year five	44,491	17,955
Year six and prior	127,508	127,033
Revolving lines of credit	0	0
Total	252,314	260,819
Consumer | Pass | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	459,564	876,135
Year two	865,089	475,134
Year three	440,402	288,699
Year four	257,136	127,756
Year five	108,117	105,385
Year six and prior	622,819	602,331
Revolving lines of credit	0	0
Total	2,753,127	2,475,440
Consumer | Pass | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	20,361	26,512
Year two	26,050	19,168
Year three	17,043	18,179
Year four	16,790	51,954
Year five	44,473	17,955
Year six and prior	125,391	123,783
Revolving lines of credit	0	0
Total	250,108	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	1,482	61
Year five	0	0
Year six and prior	1,208	1,313
Revolving lines of credit	0	0
Total	2,690	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	71	0
Year five	0	0
Year six and prior	207	322
Revolving lines of credit	0	0
Total	278	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	505	0
Year five	288	351
Year six and prior	1,659	2,324
Revolving lines of credit	0	0
Total	2,452	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	1,910	2,928
Revolving lines of credit	0	0
Total	$ 1,928	$ 2,946