Loans Receivable, Net - Schedule of Total Loans by Year of Origination, Internally Assigned Credit Grades and Risk Characteristics (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 122,307	$ 633,062
One year before current fiscal year	636,236	2,288,236
Two years before current fiscal year	2,276,738	2,039,019
Three years before current fiscal year	2,022,622	1,003,434
Four years before current fiscal year	987,593	855,884
Five years and prior before current fiscal year	2,977,083	2,243,184
Revolving lines of credit	1,103,069	1,131,776
Total	10,125,648	10,194,595
Commercial real estate – investor
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	48,428	137,028
One year before current fiscal year	136,697	1,165,955
Two years before current fiscal year	1,170,068	1,331,073
Three years before current fiscal year	1,330,248	534,285
Four years before current fiscal year	530,341	505,159
Five years and prior before current fiscal year	1,449,340	1,000,670
Revolving lines of credit	657,633	679,804
Total	5,322,755	5,353,974
Commercial real estate – investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	48,428	137,028
One year before current fiscal year	136,697	1,165,955
Two years before current fiscal year	1,170,068	1,328,012
Three years before current fiscal year	1,327,264	529,745
Four years before current fiscal year	525,806	490,438
Five years and prior before current fiscal year	1,352,769	930,337
Revolving lines of credit	644,938	679,804
Total	5,205,970	5,261,319
Commercial real estate – investor | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	2,413
Three years before current fiscal year	2,389	790
Four years before current fiscal year	0	1,446
Five years and prior before current fiscal year	42,787	22,147
Revolving lines of credit	12,695	0
Total	57,871	26,796
Commercial real estate – investor | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	648
Three years before current fiscal year	595	3,750
Four years before current fiscal year	4,535	13,275
Five years and prior before current fiscal year	53,784	48,186
Revolving lines of credit	0	0
Total	58,914	65,859
Commercial real estate – owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	12,333	66,642
One year before current fiscal year	65,173	120,280
Two years before current fiscal year	116,684	103,104
Three years before current fiscal year	98,566	59,179
Four years before current fiscal year	57,582	105,994
Five years and prior before current fiscal year	540,492	466,927
Revolving lines of credit	23,752	21,765
Total	914,582	943,891
Commercial real estate – owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	12,333	66,642
One year before current fiscal year	65,173	120,280
Two years before current fiscal year	116,684	103,104
Three years before current fiscal year	98,566	59,179
Four years before current fiscal year	57,582	102,703
Five years and prior before current fiscal year	513,115	441,713
Revolving lines of credit	23,133	21,052
Total	886,586	914,673
Commercial real estate – owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	1,272
Five years and prior before current fiscal year	8,705	8,314
Revolving lines of credit	0	0
Total	8,705	9,586
Commercial real estate – owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	2,019
Five years and prior before current fiscal year	18,672	16,900
Revolving lines of credit	619	713
Total	19,291	19,632
Commercial and  Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	12,487	112,914
One year before current fiscal year	122,952	65,392
Two years before current fiscal year	66,453	19,590
Three years before current fiscal year	18,281	8,645
Four years before current fiscal year	7,671	7,923
Five years and prior before current fiscal year	56,987	52,651
Revolving lines of credit	392,345	399,417
Total	677,176	666,532
Commercial and  Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	12,487	112,914
One year before current fiscal year	122,952	64,770
Two years before current fiscal year	65,864	19,473
Three years before current fiscal year	18,212	8,645
Four years before current fiscal year	7,671	7,778
Five years and prior before current fiscal year	55,600	51,082
Revolving lines of credit	377,278	383,013
Total	660,064	647,675
Commercial and  Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Five years and prior before current fiscal year	170	184
Revolving lines of credit	2,239	2,859
Total	2,409	3,043
Commercial and  Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	622
Two years before current fiscal year	589	117
Three years before current fiscal year	69	0
Four years before current fiscal year	0	145
Five years and prior before current fiscal year	1,217	1,385
Revolving lines of credit	12,828	13,545
Total	14,703	15,814
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total	245,859	250,664
Consumer | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	43,812	283,619
One year before current fiscal year	280,182	916,519
Two years before current fiscal year	904,132	564,515
Three years before current fiscal year	555,438	388,650
Four years before current fiscal year	379,559	223,865
Five years and prior before current fiscal year	802,153	602,366
Revolving lines of credit	0	0
Total	2,965,276	2,979,534
Consumer | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	5,247	32,859
One year before current fiscal year	31,232	20,090
Two years before current fiscal year	19,401	20,737
Three years before current fiscal year	20,089	12,675
Four years before current fiscal year	12,440	12,943
Five years and prior before current fiscal year	128,111	120,570
Revolving lines of credit	29,339	30,790
Total	245,859	250,664
Consumer | Pass | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	43,812	283,296
One year before current fiscal year	279,313	916,153
Two years before current fiscal year	904,132	564,515
Three years before current fiscal year	555,218	388,392
Four years before current fiscal year	378,827	223,247
Five years and prior before current fiscal year	800,232	600,118
Revolving lines of credit	0	0
Total	2,961,534	2,975,721
Consumer | Pass | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	5,247	32,859
One year before current fiscal year	31,232	19,918
Two years before current fiscal year	19,401	20,737
Three years before current fiscal year	20,089	12,675
Four years before current fiscal year	12,440	12,937
Five years and prior before current fiscal year	126,222	118,486
Revolving lines of credit	29,339	30,658
Total	243,970	248,270
Consumer | Special Mention | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	131
Five years and prior before current fiscal year	0	271
Revolving lines of credit	0	0
Total	0	402
Consumer | Special Mention | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	172
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Five years and prior before current fiscal year	298	386
Revolving lines of credit	0	0
Total	298	558
Consumer | Substandard | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	323
One year before current fiscal year	869	366
Two years before current fiscal year	0	0
Three years before current fiscal year	220	258
Four years before current fiscal year	732	487
Five years and prior before current fiscal year	1,921	1,977
Revolving lines of credit	0	0
Total	3,742	3,411
Consumer | Substandard | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	6
Five years and prior before current fiscal year	1,591	1,698
Revolving lines of credit	0	132
Total	$ 1,591	$ 1,836