Loans and Allowance - Changes in Allowance for Loan Losses by Loan Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 195,984	$ 201,082	$ 195,397	$ 130,648
Provision for credit losses	0	0	0	0
CECL Day 1 non-PCD provision for credit losses	13,955		13,955
CECL Day 1 PCD ACL	16,599		16,599
Recoveries on loans	1,169	412	2,221	1,106
Loans charged off	(1,432)	(1,719)	(1,897)	(6,034)
Ending balance	226,275	199,775	226,275	199,775
Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				74,055
Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				204,703
Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				130,648
Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	77,637	65,722	69,935	47,115
Provision for credit losses	805	(1,898)	8,376	(2,830)
CECL Day 1 non-PCD provision for credit losses	2,957		2,957
CECL Day 1 PCD ACL	12,970		12,970
Recoveries on loans	569	152	708	340
Loans charged off	(710)	(295)	(718)	(968)
Ending balance	94,228	63,681	94,228	63,681
Commercial | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				20,024
Commercial | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				67,139
Commercial | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				47,115
Commercial | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	53,000	70,861	60,665	40,786
Provision for credit losses	(6,393)	2,842	(14,643)	1,141
CECL Day 1 non-PCD provision for credit losses	5,539		5,539
CECL Day 1 PCD ACL	2,981		2,981
Recoveries on loans	201	33	908	197
Loans charged off	0	(1,035)	(122)	(4,348)
Ending balance	55,328	72,701	55,328	72,701
Commercial Real Estate | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				34,925
Commercial Real Estate | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				75,711
Commercial Real Estate | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				51,070
Commercial Real Estate | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				(10,284)
Construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	20,760	20,182	20,206	10,284
Provision for credit losses	5,122	(3,106)	5,676	(2,011)
CECL Day 1 non-PCD provision for credit losses	871		871
CECL Day 1 PCD ACL	648		648
Recoveries on loans	0	1	0	1
Loans charged off	0	0	0	(2)
Ending balance	27,401	17,077	27,401	17,077
Construction | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				8,805
Construction | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				19,089
Construction | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Construction | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				10,284
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Provision for credit losses				0
Recoveries on loans				0
Loans charged off				0
Ending balance		0		0
Consumer | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Consumer | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Consumer | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				9,648
Consumer | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				(9,648)
Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Provision for credit losses				0
Recoveries on loans				0
Loans charged off				0
Ending balance		0		0
Residential | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Residential | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Residential | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				22,815
Residential | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				(22,815)
Consumer & Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	44,587	44,317	44,591	32,463
Provision for credit losses	466	2,162	591	3,700
CECL Day 1 non-PCD provision for credit losses	4,588		4,588
CECL Day 1 PCD ACL	0		0
Recoveries on loans	399	226	605	568
Loans charged off	(722)	(389)	(1,057)	(716)
Ending balance	$ 49,318	$ 46,316	$ 49,318	46,316
Consumer & Residential | Impact of adopting ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				10,301
Consumer & Residential | Adjusted balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				42,764
Consumer & Residential | Previously reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				0
Consumer & Residential | Credit risk reclassifications
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				$ 32,463