Recent Transactions - Equity Transactions - Additional Information (Detail) - USD ($) |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 29, 2019 |
Mar. 07, 2019 |
Mar. 31, 2019 |
Mar. 31, 2018 |
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| SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract] | ||||
| Common stock, equity distributions, per share, declared | $ 0.0650 | |||
| Payments of equity distributions, common stock | $ 1,700,000 | $ 1,702,000 | $ 1,701,000 | |
| Business combination acquisition related costs | $ 1,000 | $ 14,000 | ||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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