Loans Receivable, Net - Credit Grades and Risk Characteristics (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 194,791	$ 2,268,186
2022	2,312,160	2,092,038
2021	2,081,588	1,070,645
2020	1,051,969	942,045
2019	922,379	465,426
2018 and prior	2,485,342	2,131,413
Revolving lines of credit	991,583	948,301
Total	10,039,812	9,918,054
Commercial real estate – investor
Financing Receivable, Credit Quality Indicator [Line Items]
2023	78,614	1,144,763
2022	1,186,386	1,341,797
2021	1,337,662	556,129
2020	547,527	542,415
2019	535,875	220,999
2018 and prior	1,094,692	912,342
Revolving lines of credit	515,905	453,507
Total	5,296,661	5,171,952
Commercial real estate – investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	78,614	1,144,763
2022	1,186,386	1,339,289
2021	1,335,178	555,937
2020	543,587	524,428
2019	515,939	220,999
2018 and prior	1,048,169	881,344
Revolving lines of credit	512,846	450,787
Total	5,220,719	5,117,547
Commercial real estate – investor | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	2,508
2021	2,484	192
2020	190	17,094
2019	65	0
2018 and prior	14,283	12,818
Revolving lines of credit	2,188	2,188
Total	19,210	34,800
Commercial real estate – investor | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	3,750	893
2019	19,871	0
2018 and prior	32,240	18,180
Revolving lines of credit	871	532
Total	56,732	19,605
Commercial real estate – owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	36,361	119,912
2022	118,959	110,440
2021	109,499	63,702
2020	63,663	117,422
2019	111,671	93,769
2018 and prior	530,001	477,190
Revolving lines of credit	16,212	14,932
Total	986,366	997,367
Commercial real estate – owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	36,361	119,912
2022	118,959	110,440
2021	109,499	59,952
2020	63,663	115,385
2019	109,652	88,204
2018 and prior	506,145	458,708
Revolving lines of credit	16,212	14,932
Total	960,491	967,533
Commercial real estate – owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	748
2018 and prior	1,878	5,679
Revolving lines of credit	0	0
Total	1,878	6,427
Commercial real estate – owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	3,750
2020	0	2,037
2019	2,019	4,817
2018 and prior	21,978	12,803
Revolving lines of credit	0	0
Total	23,997	23,407
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	27,482	60,078
2022	54,551	23,752
2021	22,710	14,148
2020	12,502	18,258
2019	16,803	11,293
2018 and prior	61,659	49,832
Revolving lines of credit	426,494	445,011
Total	622,201	622,372
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	27,482	60,078
2022	54,551	23,724
2021	22,682	14,072
2020	12,450	17,175
2019	15,762	10,992
2018 and prior	59,487	47,370
Revolving lines of credit	424,541	443,211
Total	616,955	616,622
Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	7
2021	7	0
2020	0	0
2019	0	0
2018 and prior	223	250
Revolving lines of credit	1,836	1,680
Total	2,066	1,937
Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	21
2021	21	76
2020	52	1,083
2019	1,041	301
2018 and prior	1,949	2,212
Revolving lines of credit	117	120
Total	3,180	3,813
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total	252,773	264,372
Consumer | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	48,611	919,364
2022	928,497	591,938
2021	588,718	421,226
2020	413,922	248,247
2019	243,055	100,290
2018 and prior	659,008	580,926
Revolving lines of credit	0	0
Total	2,881,811	2,861,991
Consumer | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	3,723	24,069
2022	23,767	24,111
2021	22,999	15,440
2020	14,355	15,703
2019	14,975	39,075
2018 and prior	139,982	111,123
Revolving lines of credit	32,972	34,851
Total	252,773	264,372
Consumer | Pass | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	48,611	919,364
2022	928,107	591,745
2021	588,525	419,712
2020	413,922	247,387
2019	243,055	99,945
2018 and prior	658,129	577,392
Revolving lines of credit	0	0
Total	2,880,349	2,855,545
Consumer | Pass | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	3,723	24,069
2022	23,767	24,111
2021	22,999	15,440
2020	14,355	15,471
2019	14,812	39,057
2018 and prior	137,925	108,818
Revolving lines of credit	32,972	34,851
Total	250,553	261,817
Consumer | Special Mention | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	390	193
2021	0	1,514
2020	0	204
2019	0	59
2018 and prior	153	2,407
Revolving lines of credit	0	0
Total	543	4,377
Consumer | Special Mention | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	75
2019	96	0
2018 and prior	187	598
Revolving lines of credit	0	0
Total	283	673
Consumer | Substandard | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	193	0
2020	0	656
2019	0	286
2018 and prior	726	1,127
Revolving lines of credit	0	0
Total	919	2,069
Consumer | Substandard | Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	157
2019	67	18
2018 and prior	1,870	1,707
Revolving lines of credit	0	0
Total	$ 1,937	$ 1,882