Loans Receivable, Net - Credit Grades and Risk Characteristics (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	$ 698,334	$ 2,449,710
Year two	2,421,057	1,202,923
Year three	1,177,368	1,061,158
Year four	1,026,016	585,795
Year five	553,436	634,834
Year six and prior	2,611,827	2,138,982
Revolving Lines of Credit	620,938	549,468
Total	9,108,976	8,622,870
Commercial real estate – investor
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	325,263	1,387,753
Year two	1,368,731	614,183
Year three	611,037	588,147
Year four	578,566	284,530
Year five	271,630	386,872
Year six and prior	1,172,953	856,980
Revolving Lines of Credit	279,700	259,596
Total	4,607,880	4,378,061
Commercial real estate – investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	325,263	1,387,753
Year two	1,368,731	609,916
Year three	611,037	535,551
Year four	537,525	274,662
Year five	262,169	375,646
Year six and prior	1,110,883	800,089
Revolving Lines of Credit	277,149	255,613
Total	4,492,757	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	0	23,794
Year four	19,416	9,400
Year five	9,378	2,731
Year six and prior	31,267	28,663
Revolving Lines of Credit	655	582
Total	60,716	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	21,625	468
Year five	83	8,495
Year six and prior	30,803	28,228
Revolving Lines of Credit	1,896	3,401
Total	54,407	73,661
Commercial real estate – owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	36,220	116,355
Year two	119,031	71,196
Year three	73,971	140,743
Year four	139,086	103,909
Year five	102,657	115,317
Year six and prior	575,450	495,913
Revolving Lines of Credit	10,831	11,632
Total	1,057,246	1,055,065
Commercial real estate – owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	36,220	116,355
Year two	119,031	71,196
Year three	73,971	125,212
Year four	123,635	91,531
Year five	90,325	109,232
Year six and prior	530,927	449,966
Revolving Lines of Credit	10,408	10,913
Total	984,517	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	10,851	3,829
Year five	4,610	479
Year six and prior	9,395	14,371
Revolving Lines of Credit	260	2
Total	25,116	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	4,600	8,549
Year five	7,722	5,606
Year six and prior	35,128	31,576
Revolving Lines of Credit	163	717
Total	47,613	60,614
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	17,126	42,955
Year two	36,479	23,030
Year three	20,617	25,390
Year four	22,355	17,567
Year five	15,891	8,954
Year six and prior	59,864	53,088
Revolving Lines of Credit	330,407	278,240
Total	502,739	449,224
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	17,126	42,955
Year two	36,479	22,573
Year three	20,194	22,878
Year four	19,933	16,404
Year five	14,809	8,671
Year six and prior	57,415	50,887
Revolving Lines of Credit	324,808	271,818
Total	490,764	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	658	350
Year five	269	85
Year six and prior	325	172
Revolving Lines of Credit	3,207	3,645
Total	4,459	4,483
Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	0	0
Year two	0	457
Year three	423	2,281
Year four	1,764	813
Year five	813	198
Year six and prior	2,124	2,029
Revolving Lines of Credit	2,392	2,777
Total	7,516	8,555
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total	253,184	260,819
Consumer | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	313,669	876,135
Year two	869,552	475,346
Year three	453,895	288,699
Year four	268,297	127,817
Year five	114,815	105,736
Year six and prior	667,699	605,968
Revolving Lines of Credit	0	0
Total	2,687,927	2,479,701
Consumer | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	6,056	26,512
Year two	27,264	19,168
Year three	17,848	18,179
Year four	17,712	51,972
Year five	48,443	17,955
Year six and prior	135,861	127,033
Revolving Lines of Credit	0	0
Total	253,184	260,819
Consumer | Pass | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	313,669	876,135
Year two	869,552	475,134
Year three	453,895	288,699
Year four	267,613	127,756
Year five	114,815	105,385
Year six and prior	665,096	602,331
Revolving Lines of Credit	0	0
Total	2,684,640	2,475,440
Consumer | Pass | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Year one	6,056	26,512
Year two	27,264	19,168
Year three	17,848	18,179
Year four	17,712	51,954
Year five	48,383	17,955
Year six and prior	133,500	123,783
Revolving Lines of Credit	0	0
Total	250,763	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	684	61
Year five	0	0
Year six and prior	461	1,313
Revolving Lines of Credit	0	0
Total	1,145	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	0	0
Year five	0	0
Year six and prior	175	322
Revolving Lines of Credit	0	0
Total	175	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	0	351
Year six and prior	2,142	2,324
Revolving Lines of Credit	0	0
Total	2,142	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	60	0
Year six and prior	2,186	2,928
Revolving Lines of Credit	0	0
Total	$ 2,246	$ 2,946