Allowance for Credit Losses - Bank's Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	$ 18,785	$ 20,800	$ 19,000
Provision for Credit Losses	9,756	12,035	2,637
Charge-offs	(525)	(1,055)	(2,692)
Recoveries	113	564	1,855
Ending Balance	28,129	28,129	20,800
ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Changes due to adoption		(4,215)
Residential Properties
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	6,026	8,423	9,216
Provision for Credit Losses	730	(1,304)	(793)
Ending Balance	6,756	6,756	8,423
Residential Properties \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Changes due to adoption		(363)
Commercial Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	1,178	4,166	4,547
Provision for Credit Losses	8,133	8,905	(381)
Ending Balance	9,311	9,311	4,166
Commercial Real Estate \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Changes due to adoption		(3,760)
Commercial and Industrial Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	10,125	7,448	4,628
Provision for Credit Losses	(1,225)	1,531	3,653
Charge-offs	(525)	(1,055)	(2,687)
Recoveries	113	564	1,854
Ending Balance	8,488	8,488	7,448
Consumer Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	204	190	218
Provision for Credit Losses	2	16	(24)
Charge-offs			(5)
Recoveries			1
Ending Balance	206	206	190
Land
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	1,252	573	391
Provision for Credit Losses	2,116	2,887	182
Ending Balance	$ 3,368	3,368	$ 573
Land \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Changes due to adoption		$ (92)

Gross amount of provision for loan credit losses.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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- Definition

The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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