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Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] $ / shares in Units, $ in Millions		1 Months Ended
	Jul. 31, 2019 USD ($) $ / shares	Jul. 31, 2019 USD ($)
Subsequent Event [Line Items]
Common stock dividends per share declared | $ / shares	$ 0.10
Dividend payable date	Sep. 05, 2019
Dividends payable date declared	Jul. 31, 2019
Dividends payable date of record	Aug. 20, 2019
CCRE Lending [Member]
Subsequent Event [Line Items]
Loans receivable, commercial real estate loan amount	$ 146.6	$ 146.6
Loan maturity date		Aug. 06, 2029
Loans receivable, fixed interest rate	4.38%	4.38%
Loans receivable, brokerage service amount		$ 0.7
Chief Executive Officer [Member] | CCRE Lending [Member]
Subsequent Event [Line Items]
Percentage of ownership interest of loan receivable		19.00%

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- Definition

Loan and lease receivable brokerage amount.

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- Definition

Loans and leases receivable, maturity date.

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- Definition

Loans receivable with fixed rates of interest percentage.

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- Definition

Percentage of ownership interest of loans receivable.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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-SubTopic 10
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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Amount before allowance of commercial loans issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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