Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Options Granted, Exercised and Forfeited

The following table reconciles the outstanding balance of stock option awards:

				Weighted		Weighted
				Average		Average		Aggregate
				Exercise		Grant Date		Intrinsic
	Options			Price		Fair Value		Value
Options outstanding, December 31, 2018		513		$	28.52	$	13.10
Granted		100		$	39.54	$	16.40
Exercised		(55	)	$	21.26	$	9.76
Forfeited or expired		—			—		—
Options outstanding, December 31, 2019		558		$	31.22	$	14.03
Granted		105		$	15.36	$	7.36
Exercised		(358	)	$	29.36	$	13.24
Forfeited or expired		—			—		—
Options outstanding, December 31, 2020		305		$	27.94	$	12.65	$	5,886
Options exercisable, December 31, 2020		117		$	33.12			$	1,647
Options unvested, December 31, 2020		188		$	24.73			$	4,239

Summary of Information about Stock Options Outstanding

The following table summarizes information about stock options outstanding at December 31, 2020:

	Options Outstanding						Options Exercisable
					Weighted						Weighted
			Remaining		Average				Remaining		Average
	Number		Contractual		Exercise		Number		Contractual		Exercise
Exercise Price	Outstanding		Life (Years)		Price		Outstanding		Life (Years)		Price
$15.36 - $24.99		105		9.61	$	15.36		—		—	$	—
$25.01 - $34.99		100		7.67	$	29.55		75		7.67	$	29.55
$35.01 - $39.54		100		8.67	$	39.54		42		8.67	$	39.54
$15.36 - $39.54		305		8.67	$	27.94		117		8.03	$	33.12

Reconciliation of Unvested Balance of Restricted Stock

Restricted Stock

The following table reconciles the unvested balance of restricted stock:

				Weighted
				Average
	Number of			Grant Date
	Shares			Fair Value
Unvested balance, December 31, 2018		426		$	28.85
Granted		300		$	25.22
Vested		(242	)	$	27.88
Forfeited		(49	)	$	27.43
Unvested balance, December 31, 2019		435		$	27.05
Granted		256		$	29.95
Vested		(260	)	$	28.25
Forfeited		(15	)	$	23.73
Unvested balance, December 31, 2020		416		$	28.20

Fair Value of Restricted Stock Awards Vested

The following table indicates the fair value of all restricted stock awards that vested:

	Year Ended		Year Ended
	December 31,		December 31,
	2020		2019
Fair value of restricted stock awards vested	$	5,946	$	9,495

Restricted Stock Units [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Reconciliation of Unvested Balance of Restricted Stock

The following table reconciles the unvested balance of restricted stock unit awards:

			Weighted
			Average
	Number of		Grant Date
	Units		Fair Value
Unvested balance, December 31, 2019		—	$	—
Granted		45	$	15.36
Vested		—	$	—
Forfeited		—	$	—
Unvested balance, December 31, 2020		45	$	15.36

Performance Restricted Stock Units [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Reconciliation of Unvested Balance of Restricted Stock

The following table reconciles the unvested balance of performance restricted stock unit awards:

			Weighted
			Average
	Number of		Grant Date
	Units		Fair Value
Unvested balance, December 31, 2019		—	$	—
Granted		124	$	11.08
Vested		—	$	—
Forfeited		—	$	—
Unvested balance, December 31, 2020		124	$	11.08