Increase (Decrease) in Fair Value of Debt Securities, Available-for-sale

No definition available.

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- Definition

Proceeds from Reissuance of Common Stock

+ References

No definition available.

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- Definition

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

+ References

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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The increase (decrease) in stockholders' equity during the period.

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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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No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Capital - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 31, 2021	Mar. 04, 2019	Oct. 24, 2018	Dec. 31, 2017	Feb. 17, 2016	Jan. 28, 2014	Jan. 29, 2013
Subsequent Event [Line Items]
Announcement of common stock repurchase program					$ 25,000	$ 25,000		$ 25,000	$ 25,000	$ 25,000
Stock repurchased (in shares)	2,761,504	1,843,373
Average price per share	$ 9.07	$ 13.58
Shareholders' equity	$ 1,068,617	$ 1,055,665	$ 975,389				$ 888,127
Increase (decrease) in equity	13,000
Net Income	73,447	105,333	107,498
Proceeds from issuance of treasury stock	1,800
Increase (decrease) in fair value of available for sale investments	11,700
Payments of dividends	42,982	39,394	34,849
Purchase of treasury stock	20,905	$ 6,259	$ 26,189
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 11,199						$ (1,344)
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.44	$ 0.40	$ 0.35
Subsequent Event
Subsequent Event [Line Items]
Announcement of common stock repurchase program				$ 25,000